Chevron U.S.A. Inc.

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2024 March 1
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IPC Class
G01V 1/28 - Processing seismic data, e.g. analysis, for interpretation, for correction 21
G01V 9/00 - Prospecting or detecting by methods not provided for in groups 17
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants 16
E21B 43/24 - Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection 14
G01V 1/30 - Analysis 14
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Status
Pending 165
Registered / In Force 222
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1.

SYSTEMS AND METHODS FOR GENERATING A STRESS SHADOW EFFECT IN A SUBSURFACE VOLUME OF INTEREST

      
Document Number 03211224
Status Pending
Filing Date 2023-09-06
Open to Public Date 2024-03-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Prochnow, Shane James
  • Hossaini, Paymon Pourmoradi
  • Mohamed, Mohamed Ibrahim Hafez
  • Grechishnikova, Alena
  • Saldana, Sandra Christine

Abstract

Systems and methods are disclosed for generating a stress shadow effect as a function of position in a subsurface volume of interest. A computer-implemented method may obtain completion data in the subsurface volume of interest; generate relationships between the hydraulic fracturing stage data and the corresponding wellbore distances; and generate spatially discrete stress shadow effect data by spatially attributing the stress shadow effect slope coefficient to locations of the individual wells.

2.

COMPOSITIONS CONTAINING FRICTION REDUCERS AND METHODS OF USING THEREOF IN OIL AND GAS OPERATIONS

      
Document Number 03201308
Status Pending
Filing Date 2023-05-31
Open to Public Date 2023-11-30
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Matovic, Gojko
  • Nizamidin, Nabijan
  • Unomah, Michael Ogechukwuka
  • Kim, Do Hoon
  • Dwarakanath, Varadarajan
  • Malik, Taimur
  • Pinnawala, Gayani W.
  • Alexis, Dennis A.
  • Lau, Samuel Wei-En

Abstract

Described are compositions and methods for use in oil and gas operations. The methods can decrease pressure drop along a lateral segment of a wellbore in an unconventional subterranean formation.

IPC Classes  ?

  • C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
  • C08K 5/06 - Ethers; Acetals; Ketals; Ortho-esters
  • C08K 5/42 - Sulfonic acids; Derivatives thereof
  • C08L 29/04 - Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
  • C08L 33/02 - Homopolymers or copolymers of acids; Metal or ammonium salts thereof
  • C08L 33/24 - Homopolymers or copolymers of amides or imides
  • E21B 43/18 - Repressuring or vacuum methods

3.

METALS RECOVERY FROM SPENT SUPPORTED CATALYST

      
Document Number 03177865
Status Pending
Filing Date 2022-05-13
Open to Public Date 2023-08-14
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Bhadury, Rahul Shankar
  • Mironov, Oleg A.
  • Keperman, Alexander E.

Abstract

An improved method for recovering metals from spent supported catalysts, including spent supported hydroprocessing catalysts. The method and associated processes comprising the method are useful to recover spent supported catalyst metals used in the petroleum and chemical processing industries. The method generally involves a combination of a pyrometallurgical and a hydrometallurgical method and includes forming a potassium carbonate calcine from the spent supported catalyst containing Group VIIIB/Group VIB/ Group VB metal compound(s) combined with potassium carbonate, and extracting and recovering soluble Group VIB metal and soluble Group VB metal compounds from the potassium carbonate calcine.

IPC Classes  ?

4.

SYSTEMS AND METHODS FOR ANALYZING CLUSTERS OF TYPE CURVE REGIONS AS A FUNCTION OF POSITION IN A SUBSURFACE VOLUME OF INTEREST

      
Document Number 03186438
Status Pending
Filing Date 2023-01-13
Open to Public Date 2023-07-14
Owner CHEVRON U.S.A., INC. (USA)
Inventor Prochnow, Shane James

Abstract

Methods, systems, and non-transitory computer readable media for analyzing type curve regions in a subsurface volume of interest are disclosed. Exemplary implementations may include: obtaining initial clusters of type curve regions in the subsurface volume of interest; obtaining production values as a function of position; generating an autocorrelation correction factor; attributing the autocorrelation correction factor to the production values as a function of position; generating type curve mean values; generating range distribution values; generating a type curve cluster probability value for each of the type curve regions; generating a first representation of the type curve regions as a function of position; clustering the type curve regions in updated clusters; generating a second representation of the type curve regions as a function of position; and displaying one or more of the first representation and the second representation.

IPC Classes  ?

  • E21B 49/00 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
  • G06T 17/00 - 3D modelling for computer graphics

5.

SYSTEMS AND METHODS FOR IDENTIFYING TYPE CURVE REGIONS AS A FUNCTION OF POSITION IN A REGION OF INTEREST

      
Document Number 03185817
Status Pending
Filing Date 2022-12-22
Open to Public Date 2023-06-27
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Prochnow, Shane James
  • Cormier, Benjamin Rodolphe
  • Tohidi, Vahid
  • Wan, Michelle

Abstract

Methods, systems, and non-transitory computer readable media for identifying type curve regions as a function of position in a region of interest are disclosed. Exemplary implementations may include: obtaining a spatial clustering model from the non- transitory storage medium; obtaining well data from the non-transitory storage medium; obtaining production parameter data from the non-transitory storage medium; and delineating each of the type curve regions in the region of interest by applying the spatial clustering model to the well data and the production parameter data.

IPC Classes  ?

  • G06F 17/00 - Digital computing or data processing equipment or methods, specially adapted for specific functions
  • G06F 16/29 - Geographical information databases
  • G06F 18/23 - Clustering techniques

6.

SYSTEM AND METHOD FOR GENERATING A SEISMIC ATTENUATION MODEL

      
Document Number 03234924
Status Pending
Filing Date 2022-10-19
Open to Public Date 2023-05-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Sun, Yonghe J.
  • Wu, Chunling
  • Fan, Mark Chengliang

Abstract

A method is described for seismic imaging improved by an estimation of attenuation including receiving a pre-migration seismic dataset D(s,r;t) representative of a subsurface volume of interest wherein s indicates source location, r indicates receiver location, and t is the recorded travel time; calculating a pre-migration attenuated travel time t*(s,r;t); computing a time derivative of the pre-migration attenuated travel time wherein 1/Q(s,r;t) = ?t*(s,r;t)/?t; performing a first migration on D(s,r;t) to generate common image point (CIP) gathers G(x,h) wherein x is subsurface image point and h is angle or offset; performing a second migration on D(s,r;t) * 1/Q(s,r;t) to generate weighted common image point (CIP) gathers G 1/Q (x,h); and calculating a conditioned ratio of the weighted CIP gathers G 1/Q (x,h) over the CIP gathers G(x,h) to get CIP gathers of 1/Q(x,h) is disclosed.

IPC Classes  ?

7.

ACCELERATION OF SUBSURFACE SIMULATION USING FILTERED GRID CONNECTIVITY GRAPH

      
Document Number 03178947
Status Pending
Filing Date 2022-10-11
Open to Public Date 2023-04-20
Owner
  • CHEVRON U.S.A. INC. (USA)
  • SCHLUMBERGER CANADA LIMITED (Canada)
Inventor
  • Watanabe, Shingo
  • Natvig, Jostein
  • Tomin, Pavel

Abstract

A subsurface representation may define subsurface configuration of a subsurface region. A grid connectivity graph for the subsurface representation may include (1) nodes that represent cells within the subsurface representation, and (2) edges between the nodes that represent connectivity between the cells within the subsurface representation. The grid connectivity graph may be filtered to remove edges that do not satisfy a connectivity criterion. The filtered grid connectivity graph may be used to compute a linear solver preconditioner that improves the performance of the subsurface simulation.

IPC Classes  ?

  • G01V 9/00 - Prospecting or detecting by methods not provided for in groups

8.

POLYAMIDE FUEL ADDITIVES

      
Document Number 03234489
Status Pending
Filing Date 2022-10-03
Open to Public Date 2023-04-20
Owner CHEVRON U.S.A. INC. (USA)
Inventor Simpson-Green, Felicia

Abstract

Method for preventing or reducing corrosion or wear in gasoline engine is provided. The step of the method includes supplying a fuel composition comprising a reaction product of fatty acid and polyamine.

IPC Classes  ?

  • C10L 1/224 - Amides; Imides
  • C10L 1/238 - Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
  • C10L 10/04 - Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
  • C10L 10/08 - Use of additives to fuels or fires for particular purposes for reducing wear
  • C10L 1/185 - Ethers; Acetals; Ketals; Aldehydes; Ketones

9.

FUEL ADDITIVES FOR LOWERING DEPOSIT AND PARTICULATE EMISSION

      
Document Number 03233105
Status Pending
Filing Date 2022-10-06
Open to Public Date 2023-04-13
Owner
  • CHEVRON ORONITE COMPANY LLC (USA)
  • CHEVRON JAPAN LTD. (Japan)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Kuo, Chung-Hao
  • Smocha, Ruth
  • Ohta, Satoshi
  • Simpson-Green, Felicia F.
  • Katoh, Yuuki
  • Shih, Jiun-Le
  • Loeper, Paul

Abstract

A fuel composition is described. The composition contains a hydrocarbon-based fuel boiling in the gasoline or diesel range; a carrier fluid comprising an alkyl polyethoxylate having the following structure (I), where each R2 and R3 is independently hydrogen, C1-C4 hydrocarbyl group, or C1-C3 alcohol, where R1 is C4-C100 hydrocarbyl group, carboxyl group, ether group, thioether group, or aromatic group, wherein x is from 1 to 20, or a hydrocarbyl phenol having the following structure (II) wherein R is a hydrocarbyl group from C4-C100; an amine-based detergent given by formula 2, R4-O-(CH2)y-NHR5, where the amine-based detergent is present in about 10 ppm to about 750 ppm by weight based on total weight of the fuel composition; where R4 is a hydrocarbyl group having 8 to 20 carbons, R5 is hydrogen or (CH2)zNH2 moiety, and where y, z are independently integers having a value of 2 or greater; and one or more nitrogen-containing detergent.

IPC Classes  ?

  • C10L 1/10 - Liquid carbonaceous fuels containing additives
  • C10L 10/02 - Use of additives to fuels or fires for particular purposes for reducing smoke development
  • C10L 10/04 - Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
  • C10L 1/183 - Organic compounds containing oxygen containing hydroxy groups; Salts thereof at least one hydroxy group bound to an aromatic carbon atom
  • C10L 1/198 - Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
  • C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
  • C10L 1/2387 - Polyoxyalkyleneamines

10.

STRUCTURAL INSPECTION USING MULTI-TONE STEADY STATE EXCITATION

      
Document Number 03234367
Status Pending
Filing Date 2021-10-07
Open to Public Date 2023-04-13
Owner
  • CHEVRON U.S.A. INC. (USA)
  • TRIAD NATIONAL SECURITY, LLC (USA)
Inventor
  • Root, Alison Hayley
  • Flynn, Eric Brian
  • Wachtor, Adam Joseph
  • Jacobson, Erica Marie
  • Cummings, Ian Thomas
  • Deschamps, Rodney F.
  • Seah, Robert Kwan Meng

Abstract

Different frequencies for steady state excitation of the structure may be tested by sweeping over an excitation frequency range. Partial measurements of the responses in the structure at different excitation frequencies may be used to select excitation frequencies, and the selected excitation frequencies may be used to inspect the structure.

IPC Classes  ?

  • G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/11 - Analysing solids by measuring attenuation of acoustic waves
  • G01N 29/24 - Probes
  • G01N 29/46 - Processing the detected response signal by spectral analysis, e.g. Fourier analysis
  • G01V 1/28 - Processing seismic data, e.g. analysis, for interpretation, for correction
  • G01V 1/30 - Analysis
  • G06Q 50/00 - Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism

11.

SYSTEM AND METHOD FOR MONITORING SUBSURFACE RESERVOIR CHANGES USING SATELLITE DATA

      
Document Number 03230673
Status Pending
Filing Date 2022-09-23
Open to Public Date 2023-03-30
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Shabelansky, Andrey H.
  • Nihei, Kurt T.
  • Zhang, Zhishuai
  • Bevc, Dimitri
  • Milliken, William J.

Abstract

A method is described for reservoir monitoring including receiving multiple temporal InSAR datasets recorded at different times over the reservoir region, setting a location of a virtual source x A , setting a location x B , cross-correlating a temporal InSAR record from the virtual source x A with a temporal InSAR record from the location x B , summing the cross-correlation results over a temporal index to produce a processed InSAR record, storing the processed InSAR record to a processed InSAR dataset at x B ; and setting another location x B and repeating the cross-correlating, summing, and storing steps. The method may be repeated for additional virtual source locations. The method is executed by a computer system.

IPC Classes  ?

  • G01S 13/90 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging using synthetic aperture techniques

12.

RENEWABLE BASED E-DRIVE FLUIDS

      
Document Number 03231730
Status Pending
Filing Date 2022-08-10
Open to Public Date 2023-03-16
Owner CHEVRON U.S.A. INC. (USA)
Inventor Hong, Hyun-Soo

Abstract

Provided herein is an e-Drive fluid containing PAO 2.5, ester and hydrocarbon mixtures with controlled structure characteristics that address the performance requirements for film thickness and efficiency within e-transmissions.

IPC Classes  ?

13.

SELECTION OF SIMULATION MODELS USING FRACTURE INFORMATION

      
Document Number 03172411
Status Pending
Filing Date 2022-09-02
Open to Public Date 2023-03-03
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Kahn, Shahzad Ali
  • Park, Han Young
  • Liang, Baosheng

Abstract

Characteristics of a reservoir may be used to generate multiple models of the reservoir with hydraulic fractures. Simulated configurations of the hydraulic fractures in the models may be used to select one or more of the models as representative model(s) for the reservoir. The representative model(s) may be used in development of the reservoir. Hydraulic fracturing may increase productivity at shale and tight rock reservoir by creating more effective flow paths to production.

IPC Classes  ?

  • G01V 9/00 - Prospecting or detecting by methods not provided for in groups
  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures
  • E21B 43/30 - Specific pattern of wells, e.g. optimizing the spacing of wells

14.

CO-PROCESSING OF WASTE PLASTIC PYROLYSIS OILS AND BIORENEWABLE FEEDSTOCKS

      
Document Number 03224689
Status Pending
Filing Date 2022-07-20
Open to Public Date 2023-03-02
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Liu, Tengfei
  • Schmidt, Joel Edward
  • Grove, Richard
  • Timken, Hye-Kyung Cho

Abstract

A process is provided for producing a liquid hydrocarbon material suitable for use as a fuel or as a blending component in a fuel. The process includes co-processing a pyrolysis oil derived from a waste plastic raw material and a biorenewable feedstock comprising triglycerides in a catalytic cracking process in a presence of a solid catalyst at catalytic cracking conditions to provide a cracking product. The cracking product may be fractionated to provide at least one of a gasoline fraction and a middle distillate fraction.

IPC Classes  ?

  • C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
  • C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
  • C10G 3/00 - Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
  • C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
  • C10L 1/04 - Liquid carbonaceous fuels essentially based on blends of hydrocarbons

15.

SYSTEMS AND METHODS FOR GENERATING DEPTH UNCERTAINTY VALUES AS A FUNCTION OF POSITION IN A SUBSURFACE VOLUME OF INTEREST

      
Document Number 03226891
Status Pending
Filing Date 2022-08-03
Open to Public Date 2023-02-09
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Fei, Weihong
  • Hu, Chaoshun
  • Given, Paige Rene
  • Hennenfent, Gilles
  • Hoelting, Cory

Abstract

Systems and methods for estimating reservoir productivity as a function of position in a subsurface volume of interest are disclosed. Exemplary implementations may: obtain an initial depth uncertainty model; obtain training depth uncertainty parameter values from the non-transient storage medium; obtain corresponding training depth uncertainty values; generate a trained depth uncertainty model by training the initial depth uncertainty model using the training depth uncertainty parameter values and the corresponding training depth uncertainty values; and store the trained depth uncertainty model.

IPC Classes  ?

  • G01V 99/00 - Subject matter not provided for in other groups of this subclass

16.

HIGH VOLTAGE SUBMARINE CABLE SYSTEMS

      
Document Number 03230137
Status Pending
Filing Date 2022-07-15
Open to Public Date 2023-01-26
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Sperling, Gerald Keith
  • Hajiaghajani, Masoud

Abstract

A system for transmission of power offshore comprises two or more power stations operably connected with a high voltage cable system. The high voltage cable system may comprise a dynamic, dry type high voltage submarine cable of varying length configured to transmit at least about 45 megawatts of power. In some cases the dynamic, dry type high voltage submarine cable comprises a first end connected to an offshore power station and second end connected to a static submarine cable system which is connected to an onshore power station. The systems may facilitate transmission of power for applications such as compressing and/or pumping subsea natural gas in deep water.

IPC Classes  ?

  • H01B 7/04 - Flexible cables, conductors, or cords, e.g. trailing cables
  • H02G 9/12 - Installations of electric cables or lines in or on the ground or water supported on or from floating structures, e.g. in water

17.

OPTICAL SURFACE STRAIN MEASUREMENTS FOR PIPE INTEGRITY MONITORING

      
Document Number 03224986
Status Pending
Filing Date 2022-06-28
Open to Public Date 2023-01-05
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Rhyne, Lee
  • Tanju, Baha
  • Janakiram Subramani, Hariprasad
  • Crowder, Peter
  • Vargas, Pedro
  • Salmatanis, Nikolaos Ioannis
  • Prabhu, Milind L.

Abstract

An optical strain gauge system measures strain on the exterior surface of a pipe to identify areas of wear on the interior surface of the pipe. The optical strain gauge system comprises an optical sensing interrogator and at least one optical fiber. The optical sensing interrogator comprises a light source and a light sensor. The at least one optical fiber includes fiber Bragg gratings along the length of the optical fiber. The optical fiber is arranged on the exterior surface of the pipe with the fiber Bragg gratings forming a two- dimensional array of points at which strain measurements are obtained. The two- dimensional array of strain measurement points provides an accurate assessment of the strains on the exterior of the pipe which can be used to identify areas of wear on the interior surface of the pipe.

IPC Classes  ?

  • G01B 11/16 - Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge

18.

MULTI-METALLIC BULK HYDROPROCESSING CATALYSTS

      
Document Number 03221474
Status Pending
Filing Date 2022-05-04
Open to Public Date 2022-12-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ouyang, Xiaoying
  • Kuperman, Alexander E.

Abstract

Multi-metallic bulk catalysts and methods for synthesizing the same are provided. The multi-metallic bulk catalysts contain nickel, molybdenum tungsten, yttrium, and optionally, copper, titanium and/or niobium. The catalysts are useful for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

IPC Classes  ?

  • C10G 49/04 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or characterised by the catalyst used containing nickel, cobalt, chromium, molybdenum, or tungsten metals, or compounds thereof
  • B01J 21/06 - Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
  • B01J 23/887 - Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups
  • B01J 23/888 - Tungsten
  • B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
  • B01J 37/03 - Precipitation; Co-precipitation
  • B01J 37/20 - Sulfiding
  • C10G 45/08 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof

19.

IN SITU UPGRADING OF HEAVY HYDROCARBON USING ONE OR MORE DEGRADABLE SOLVENTS AND ONE OR MORE ADDITIVES

      
Document Number 03160646
Status Pending
Filing Date 2022-05-26
Open to Public Date 2022-11-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Woolford, Jeffrey M.
  • Ovalles, Cesar
  • Fayyaz-Najafi, Babak
  • Benson, Ian P.
  • Munoz, Juan D.

Abstract

Embodiments are provided herein for in situ upgrading of a heavy hydrocarbon in a reservoir having an injection well and a production well, or a well that is alternately operated as an injection well and a production well. Embodiments are also provided herein for selecting a degradable solvent for use in a process for in situ upgrading of a heavy hydrocarbon in a reservoir having an injection well and a production well, or a well that is alternately operated as an injection well and a production well.

IPC Classes  ?

  • E21B 43/22 - Use of chemicals or bacterial activity
  • C09K 8/58 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons

20.

HIGHLY STRUCTURED, HIGH VINYLIDENE PROPYLENE OLIGOMER AND METHOD OF MAKING

      
Document Number 03224186
Status Pending
Filing Date 2022-05-16
Open to Public Date 2022-11-24
Owner CHEVRON U.S.A. INC. (USA)
Inventor Hommeltoft, Sven Ivar

Abstract

A method for making a propylene oligomer having a high vinylidene content and a high degree of structural regularity and the propylene oligomer made therefrom. The method of making the propylene oligomer comprises contacting an unbridged metallocene complex with a propylene composition in the presence of a modified methyl aluminum oxide activator compound under suitable oligomerization conditions. The use of the combination of a modified methyl aluminum oxide activator compound with an unbridged metallocene complex has been found to provide increased vinylidene group content and reduced hydrogenated propylene oligomer content.

IPC Classes  ?

21.

FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR

      
Document Number 03216833
Status Pending
Filing Date 2022-04-21
Open to Public Date 2022-10-27
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Song, Steven Xuqi
  • Poland, Matthew D.
  • Formel, Matthew D.
  • Kashevaroff, David
  • France, James
  • Evans, Timothy D.

Abstract

A filtration device for a down-flow catalytic hydroprocessing reactor is disclosed. The filtration device may be used in the petroleum and chemical processing industries in catalytic reactions of hydrocarbonaceous feedstocks in the presence of hydrogen, at an elevated temperature and pressure, to remove contaminants from mixed gas and liquid feedstreams to reactor catalyst beds. The filtration device may be provided as a horizontal tray installation at the top of a reactor, whereby feedstream liquid is passed through a filtration media in a radially inward direction from the wall of the reactor to the center of the filtration device and thereafter to the reactor catalyst bed. Among the benefits provided are the minimization of scale and small/fine particulates that reach the catalyst bed below the device, reduced pressure drop through the reactor, even when the filter is completely fouled, and the potential for added catalyst volume due to the reduced need to use catalyst grading materials.

IPC Classes  ?

  • B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
  • B01D 24/02 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
  • C10G 49/00 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or
  • C10G 75/00 - Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general

22.

COMPOSITIONS FOR MITIGATING LOW SPEED PRE-IGNITION EVENTS

      
Document Number 03212837
Status Pending
Filing Date 2022-03-24
Open to Public Date 2022-10-06
Owner
  • CHEVRON ORONITE COMPANY LLC (USA)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Shih, Jiun-Le
  • Kuo, Chung-Hao
  • Loeper, Charles Paul

Abstract

Fuel composition for preventing or reducing low speed pre-ignition events in a spark-ignited internal combustion engine is provided. The fuel composition includes a hydrocarbon fuel boiling the gasoline or diesel range and a primary additive having a structure given by (I) or a salt thereof. A is a ring moiety; R1 and R2 are independently H, C1 -C20 hydrocarbyl group, carboxyl group, ether, or hydroxyl group. R3 and R4 are independently H, C1 -C20 hydrocarbyl group, carboxyl group, ether, amino, or hydroxyl group or wherein R3 and R4 are part of a cyclic group. R5 is C1 -C100 hydrocarbyl group, carboxyl group, ether, or hydroxyl group; and p is 0 to 2, n is 1 to 3, m is 1 to 3, and p+n+m is less than 5.

IPC Classes  ?

  • C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
  • C10M 133/08 - Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups

23.

FUEL ADDITIVES FOR REDUCING LOW SPEED PRE-IGNITION EVENTS

      
Document Number 03214437
Status Pending
Filing Date 2022-03-24
Open to Public Date 2022-10-06
Owner
  • CHEVRON ORONITE COMPANY LLC (USA)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Shih, Jiun-Le
  • Kuo, Chung-Hao
  • Loeper, Charles Paul
  • Smoot, Jeanelle

Abstract

Method for preventing or reducing low speed pre-ignition events in a spark- ignited internal combustion engine is provided. The method includes supplying to the engine the lubricant composition comprising a primary additive having a structure given by (I) or a salt thereof. R1 and R2 are independently H, C1 -C20 hydrocarbyl group, carboxyl group, ester, amide, ketone, ether, or hydroxyl group. R3 and R4 are independently H, C1 -C20 hydrocarbyl group, carboxyl group, ester, amide, ketone, ether, amino, or hydroxyl group or wherein R3 and R4 are part of a cyclic group. R5 is C1 -C100 hydrocarbyl group, carboxyl group, ether, or hydroxyl group. Lastly, p is 0 to 2, n is 1 to 5, m is 0 to 2, and p+n+m is less than 6.

IPC Classes  ?

  • C10M 133/08 - Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
  • C10L 1/14 - Organic compounds
  • C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
  • C10M 141/06 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic nitrogen-containing compound
  • C10L 1/188 - Carboxylic acids; Salts thereof
  • C10L 1/22 - Organic compounds containing nitrogen

24.

REAMERS WITH IMPROVED DURABILITY AND/OR STABILITY

      
Document Number 03214468
Status Pending
Filing Date 2021-03-29
Open to Public Date 2022-10-06
Owner CHEVRON U.S.A. INC. (USA)
Inventor Mensa-Wilmot, Graham

Abstract

A reamer for use in enlarging a borehole in a drilling operation, the reamer comprising: an elongate body defining a rotational axis about which the reamer is rotated in the drilling operation; and a plurality of reamer blocks configured to extend radially outwards from the elongate body relative to the rotational axis, wherein: each reamer block comprises at least a first row of cutters configured to engage a formation in which the borehole is being drilled with a given back rake in the drilling operation, a given portion of each first row extending longitudinally along its reamer block, a longitudinal direction being substantially parallel to the rotational axis; each back rake of said cutters is either a high back rake or a low back rake; and for at least one first row of cutters, the respective back rakes of the cutters alternate along the given portion of the row between one or more high back rakes and one or more low back rakes.

IPC Classes  ?

  • E21B 10/26 - Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
  • E21B 10/32 - Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
  • E21B 10/43 - Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements

25.

ACOUSTIC SAND MONITOR

      
Document Number 03215607
Status Pending
Filing Date 2022-03-31
Open to Public Date 2022-10-06
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Rhyne, Lee David
  • Crowder, Peter
  • Janakiram Subramani, Hariprasad

Abstract

An acoustic sand monitor system includes an exciter assembly and a receiver that are configured to be coupled to an accumulator vessel. Separating equipment separates sand from a fluid stream produced by a well. The accumulator vessel collects the sand separated from the fluid stream. The exciter assembly causes vibrations of the accumulator vessel and the receiver measures audio signals generated by the vibrations of the accumulator vessel. A control system analyzes the audio signal to determine the amount of sand collected in the accumulator vessel.

IPC Classes  ?

  • E21B 43/34 - Arrangements for separating materials produced by the well
  • G01N 29/04 - Analysing solids

26.

SYSTEMS AND METHODS FOR IDENTIFYING GEOSTRUCTURAL PROPERTIES AS A FUNCTION OF POSITION IN A SUBSURFACE REGION OF INTEREST

      
Document Number 03153910
Status Pending
Filing Date 2022-03-25
Open to Public Date 2022-09-30
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Grechishnikova, Alena
  • Prochnow, Shane J.

Abstract

Systems and methods are disclosed for identifying and displaying geostructural properties as a function of lithology, horizons, and faults interpreted from well and seismic data. Exemplary implementations may include obtaining an initial fracture distribution grid model; obtaining training structural deformation data; obtaining training subsurface lithology parameter data; obtaining training fracture attribute data; and training the initial fracture distribution grid model to generate a trained fracture distribution grid model.

IPC Classes  ?

27.

PLATINUM-PALLADIUM BIMETALLIC HYDROCRACKING CATALYST

      
Document Number 03213846
Status Pending
Filing Date 2022-03-21
Open to Public Date 2022-09-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Otto, Trenton J.
  • Zhan, Bi-Zeng

Abstract

Bimetallic platinum-palladium hydrocracking catalysts are disclosed. The bimetallic catalyst generally comprises a base material comprising an alumina, an amorphous silica-alumina, and a Y zeolite, and a bimetallic platinum-palladium modifier metal composition dispersed on and/or impregnated within the base material. The catalyst is useful as a hydrocracking catalyst for hydrocarbon feedstocks, including as a second stage catalyst to produce fuels, and more particularly to produce higher yields of jet fuels.

IPC Classes  ?

28.

MOLECULAR SIEVE SSZ-94, CATALYST, AND METHODS OF USE THEREOF

      
Document Number 03214047
Status Pending
Filing Date 2022-03-24
Open to Public Date 2022-09-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor Ojo, Adeola Florence

Abstract

The present application pertains to family of new crystalline molecular sieves designated SSZ-94. Molecular sieve SSZ-94 is structurally similar to sieves falling within the MTT structure type such as SSZ-32x, SSZ-32, ZSM-23, EU-13, ISI-4, and KZ-1 family of molecular sieves. SSZ-94 is characterized as having magnesium.

IPC Classes  ?

  • C01B 39/48 - Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
  • B01J 29/74 - Noble metals
  • B01J 35/10 - Solids characterised by their surface properties or porosity
  • C01B 39/06 - Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements

29.

MOLECULAR SIEVE SSZ-93, CATALYST, AND METHODS OF USE THEREOF

      
Document Number 03214049
Status Pending
Filing Date 2022-03-24
Open to Public Date 2022-09-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ojo, Adeola Florence
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Lacheen, Howard S.

Abstract

The present application pertains to family of new crystalline molecular sieves designated SSZ-93. Molecular sieve SSZ-93 is structurally similar to sieves falling within the MTT structure type such as SSZ-32x, SSZ-32, ZSM-23, EU-13, ISI-4, and KZ-1 family of molecular sieves. SSZ-93 is characterized as having magnesium.

IPC Classes  ?

  • C01B 39/06 - Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements
  • B01J 29/74 - Noble metals
  • B01J 35/10 - Solids characterised by their surface properties or porosity
  • C01B 39/48 - Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent

30.

MOLECULAR SIEVE SSZ-92, CATALYST, AND METHODS OF USE THEREOF

      
Document Number 03214051
Status Pending
Filing Date 2022-03-24
Open to Public Date 2022-09-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ojo, Adeola Florence
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Lacheen, Howard S.

Abstract

The present application pertains to family of new crystalline molecular sieves designated SSZ-92. Molecular sieve SSZ-92 is structurally similar to sieves falling within the ZSM-48 family of molecular sieves and is characterized as having magnesium.

IPC Classes  ?

  • B01J 29/74 - Noble metals
  • C01B 39/48 - Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent

31.

HIGH NANOPORE VOLUME HYDROTREATING CATALYST AND PROCESS

      
Document Number 03212871
Status Pending
Filing Date 2022-03-10
Open to Public Date 2022-09-15
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Lei, Guan-Dao

Abstract

An improved hydrotreating catalyst and process for making a base oil product wherein the catalyst comprises a base extrudate that includes a high nanopore volume amorphous silica alumina (ASA) and an alumina. The catalyst and process generally involve the use of a high nanopore volume ASA/alumina based catalyst to produce hydrotreated dewaxed base oil products by contacting the catalyst with a hydrocarbon feedstock. The catalyst base extrudate advantageously comprises an amorphous silica alumina having a pore volume in the 11-20 nm pore diameter range of 0.2 to 0.9 cc/g and an alumina having a pore volume in the 11-20 nm pore diameter range of 0.01 to 1.0 cc/g, with the base extrudate formed from the amorphous silica alumina and the alumina having a total pore volume in the 2-50 nm pore diameter range of 0.12 to 1.80 cc/g. The catalyst further comprises at least one modifier element from Groups 6 to 10 and Group 14 of the Periodic Table. The catalyst and process provide improved aromatics saturation.

IPC Classes  ?

  • B01J 35/64 - Pore diameter
  • B01J 21/12 - Silica and alumina
  • B01J 23/40 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of noble metals of the platinum group metals
  • B01J 23/42 - Platinum
  • B01J 23/44 - Palladium
  • B01J 23/74 - Iron group metals
  • B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
  • C10G 45/48 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
  • C10G 45/52 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 65/08 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a hydrogenation of the aromatic hydrocarbons

32.

SYSTEMS AND METHODS FOR SIMULTANEOUSLY FRACTURING MULTIPLE WELLS FROM A COMMON WELLPAD

      
Document Number 03149292
Status Pending
Filing Date 2022-02-17
Open to Public Date 2022-09-10
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Bolen, Matthew Scott
  • Ruhl, Andrew Thomas
  • Han, Seung Jin
  • Belcourt, Kristen Anne
  • Kim, Amos Sunghyun
  • Zerante, Nicholas Andrew
  • Cazenave, Ross Gerard
  • Painter, Jay Patrick

Abstract

A system for fracturing multiple wellbores on a multi-well pad can include a missile that receives high-pressure fracturing fluid from a plurality of pump truck. The system can also include a main manifold that receives the high-pressure fracturing fluid from the missile, where the main manifold includes multiple valves and multiple output channels, where each of the valves are operated between an open position and a closed position. The system can further include multiple wellbores including a first wellbore, a second wellbore, and a third wellbore, where the wellbores are connected to the output channels of the main manifold. The valves of the main manifold can be operated to enable simultaneous flow of the high-pressure fracturing fluid to the first wellbore, the second wellbore, and the third wellbore so that the first wellbore, the second wellbore, and the third wellbore are fractured simultaneously.

IPC Classes  ?

  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures
  • F04B 23/00 - Pumping installations or systems

33.

DOCUMENT SEARCH AND ANALYSIS TOOL

      
Document Number 03211088
Status Pending
Filing Date 2022-02-28
Open to Public Date 2022-09-09
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Mohamed, Mohamed Ibrahim
  • Bowden, Larry A. Jr.
  • Feng, Xin

Abstract

Keywords obtained from a user and/or extracted from uploaded document(s) may be used to generate potential keywords. Documents may be identified based on the keywords and the potential keywords accepted by the user. A knowledge graph model representing the identified documents may be generated. The knowledge graph model may include document nodes representing the identified document and a search node representing the keywords. The relative position of the document nodes with respect to the search node may represent similarity between the corresponding documents and the keywords.

IPC Classes  ?

  • G06F 16/30 - Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
  • G06F 16/20 - Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
  • G06F 16/35 - Clustering; Classification

34.

WHITE SPACE ANALYSIS

      
Document Number 03211141
Status Pending
Filing Date 2022-02-28
Open to Public Date 2022-09-09
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Mohamed, Mohamed Ibrahim
  • Bowden, Larry A., Jr.
  • Feng, Xin

Abstract

Multiple sets of documents for different domains may be used to train multiple domain-specific models. A graph model may be generated to include nodes representing concepts included within the domain-specific models. A white space not including any nodes within the graph model may be identified. Analysis of the white space may be performed based on two or more nodes at periphery of the white space. Words/documents that cover the white space may be generated. Novelty of concepts may be readily assessed using the graph model/white space.

IPC Classes  ?

  • G06V 30/414 - Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
  • G06V 30/413 - Classification of content, e.g. text, photographs or tables

35.

MULTI-METALLIC BULK HYDROPROCESSING CATALYSTS

      
Document Number 03210960
Status Pending
Filing Date 2021-11-02
Open to Public Date 2022-08-25
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ouyang, Xiaoying
  • Kuperman, Alexander E.

Abstract

Multi-metallic bulk catalysts and methods for synthesizing the same are provided. The multi-metallic bulk catalysts contain nickel, molybdenum tungsten, niobium, and optionally, titanium and/or copper. The catalysts are useful for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

IPC Classes  ?

  • B01J 23/888 - Tungsten
  • B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
  • B01J 27/051 - Molybdenum
  • B01J 37/03 - Precipitation; Co-precipitation
  • B01J 37/04 - Mixing
  • B01J 37/20 - Sulfiding
  • C10G 45/08 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
  • C10G 45/50 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum or tungsten metal, or compounds thereof
  • C10G 49/04 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or characterised by the catalyst used containing nickel, cobalt, chromium, molybdenum, or tungsten metals, or compounds thereof

36.

MULTI-METALLIC BULK HYDROPROCESSING CATALYSTS

      
Document Number 03210961
Status Pending
Filing Date 2022-01-05
Open to Public Date 2022-08-25
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ouyang, Xiaoying
  • Kuperman, Alexander E.

Abstract

Multi-metallic bulk catalysts and methods for synthesizing the same are provided. The multi-metallic bulk catalysts contain nickel, molybdenum tungsten, copper, and optionally, titanium and/or niobium. The catalysts are useful for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

IPC Classes  ?

37.

SYSTEM AND METHOD FOR DATA ANALYTICS LEVERAGING HIGHLY-CORRELATED FEATURES

      
Document Number 03210008
Status Pending
Filing Date 2022-01-31
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor Thorne, Julian A.

Abstract

A method is described for data analytics using highly-correlated features which includes receiving a training dataset representative of a subsurface volume of interest; identifying at least two highly-correlated features in the training dataset; calculating a trend of the at least two highly-correlated features; calculating a residual of at least one of the highly-correlated features and the trend; and using data analytic methods on features in the training dataset that include one or more of these trend and residual combinations to predict a response variable. The method may be executed by a computer system.

IPC Classes  ?

  • G06N 3/08 - Learning methods
  • G06N 5/00 - Computing arrangements using knowledge-based models

38.

PROCESS FOR MAKING BRIGHT STOCK BASE OIL PRODUCTS

      
Document Number 03209472
Status Pending
Filing Date 2022-01-26
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Trevino, Horacio
  • Zhang, Minghui
  • Lei, Guan-Dao
  • Farrell, Thomas Ralph

Abstract

An improved process for making a bright stock base oil from a base oil feedstream comprising an atmospheric resid feedstock, and, optionally, a base oil feedstock, via hydroprocessing. The process generally involves subjecting a base oil feedstream comprising the atmospheric resid to hydrocracking and dewaxing steps, and optionally to hydrofinishing, to produce base oil product(s) including a bright stock grade base oil product having a viscosity of at least about 22 cSt at 100°C. The invention is useful to make heavy grade base oil products such as bright stock, as well as Group II and/or Group III/III+ base oils.

IPC Classes  ?

  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 45/44 - Hydrogenation of the aromatic hydrocarbons
  • C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
  • C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
  • C10G 65/14 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural parallel stages only

39.

PROCESS FOR MAKING HEAVY GRADE BASE OIL PRODUCTS

      
Document Number 03209475
Status Pending
Filing Date 2022-01-26
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Trevino, Horacio
  • Zhang, Minghui
  • Lei, Guan-Dao
  • Vo, Luyen T.

Abstract

An improved process for making a heavy base oil from a base oil feedstream comprising an atmospheric resid feedstock, and, optionally, a base oil feedstock, via hydroprocessing. The process generally involves subjecting a base oil feedstream comprising the atmospheric resid to hydrocracking and dewaxing steps, and optionally to hydrofinishing, to produce base oil product(s) including a heavy grade base oil product having a viscosity of at least about 12.7 cSt at 100°C. The invention is useful to make heavy grade base oil products, as well as Group II and/or Group III/III+ base oils.

IPC Classes  ?

  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 45/44 - Hydrogenation of the aromatic hydrocarbons
  • C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
  • C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
  • C10G 65/14 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural parallel stages only
  • C10M 101/02 - Petroleum fractions

40.

SYSTEM AND METHOD FOR DATA ANALYTICS WITH MULTI-STAGE FEATURE SELECTION

      
Document Number 03210000
Status Pending
Filing Date 2022-01-31
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor Thorne, Julian A.

Abstract

A method is described for data analytics including receiving a set of M variables representative of a subsurface volume of interest, derived from one or more of co-located well-log data, seismic data, and production data; performing a global optimum branch-and-bound algorithm to find a collection of N variables from the set of M variables that achieve the best fit in multiple regression; adding random variables to the collection of N variables; a slightly non-linear optimization until a statistically significant percentage of the random variables are eliminated; and performing, a highly non-linear optimization to select a final set of features. The method may be executed by a computer system.

IPC Classes  ?

  • G06N 5/00 - Computing arrangements using knowledge-based models
  • G06N 20/20 - Ensemble learning
  • G01V 99/00 - Subject matter not provided for in other groups of this subclass

41.

SYSTEM AND METHOD FOR DATA ANALYTICS FEATURE SELECTION

      
Document Number 03210020
Status Pending
Filing Date 2022-01-31
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor Thorne, Julian A.

Abstract

A method is described for data analytics including receiving a dataset representative of a subsurface volume of interest; identifying at least two features in the dataset; performing optimization methods to fit the at least two features to a response variable; calculating partial dependency functions of the at least two features; calculating a simplicity of each of the partial dependency functions; calculating an importance of each of the at least two features; selecting at least one highly ranked feature based on a combination of the simplicity and the importance; and performing optimization methods to fit the at least one highly ranked feature to a response variable. The method may be executed by a computer system.

IPC Classes  ?

  • G06N 3/08 - Learning methods
  • E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

42.

SYSTEM AND METHOD FOR DATA ANALYTICS USING SMOOTH SURROGATE MODELS

      
Document Number 03217482
Status Pending
Filing Date 2022-01-31
Open to Public Date 2022-08-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor Thorne, Julian A.

Abstract

A method is described for data analytics including receiving a training dataset representative of a subsurface volume of interest with co-located measured explanatory features and a response feature; generating an ensemble of models using an ensemble of decision tree regressions; generating a surrogate model by fitting response surfaces of the ensemble of models with a power law combination of each of the explanatory features, and products and ratios of each pair of the explanatory features; receiving a second dataset of explanatory features from locations away from the co-located measured explanatory features, wherein the second dataset of explanatory features are a same type as the co-located measured explanatory features; and generating, using the surrogate model a smooth prediction of the response feature based on the second dataset of explanatory features. The method may be executed by a computer system.

IPC Classes  ?

  • G06N 5/00 - Computing arrangements using knowledge-based models
  • G06N 20/20 - Ensemble learning

43.

SYSTEM AND PROCESS FOR RECOVERING HYDROCARBONS USING A SUPERCRITICAL FLUID

      
Document Number 03113296
Status Pending
Filing Date 2021-03-25
Open to Public Date 2022-08-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Storslett, Stein
  • Segerstrom, John

Abstract

A process is provided for recovering hydrocarbons, such as heavy oils, from a subterranean reservoir. The process includes providing a subcritical or a supercritical aqueous fluid at a high temperature and high pressure to the underground hydrocarbon reservoir, injecting the aqueous fluid into the reservoir to heat the hydrocarbons in the reservoir, and recovering the heated hydrocarbons from the reservoir. In some cases, the supercritical fluid is also used to upgrade the hydrocarbons and/or facilitate the transportation of the hydrocarbons from the production field to another location, such as a refinery. Advantageously, isentropic expansion may be employed anywhere in the system for a more efficient and effective processes and systems.

IPC Classes  ?

  • E21B 43/24 - Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection

44.

SUBSURFACE STRAIN ESTIMATION USING FIBER OPTIC MEASUREMENT

      
Document Number 03107445
Status In Force
Filing Date 2021-01-28
Open to Public Date 2022-07-28
Grant Date 2023-07-04
Owner CHEVRON U.S.A. INC. (USA)
Inventor Davies, Kevin John

Abstract

Strain and time-strain measurement in a well enables derivation of a constant that links the two. Knowledge of the constant along with time-strain measurement at another well enables estimation of strain at the other well.

IPC Classes  ?

  • E21B 47/007 - Measuring stresses in a pipe string or casing

45.

METHOD FOR MAKING BASE OIL WITH ENHANCED COLOR STABILITY

      
Document Number 03208347
Status Pending
Filing Date 2022-01-18
Open to Public Date 2022-07-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Rostami, Malek M.
  • Russell, Beth A.

Abstract

A method for making a base oil having enhanced color stability and the base oil prepared therefrom are disclosed. The method comprises adding a phenyl benzotriazole compound to a base oil composition to form a color-stabilized base oil composition. In some cases, the phenyl benzotriazole compound has the structural formula (I): wherein, R and R' are independently one or more substituents selected from hydrogen, substituted and unsubstituted alkyl, substituted and unsubstituted cycloalkyl, substituted and unsubstituted alkoxy, substituted and unsubstituted carboxyl, or a combination thereof, with the proviso that at least one of R and R' is a non-hydrogen substituent.

IPC Classes  ?

  • C10M 133/44 - Five-membered ring containing nitrogen and carbon only

46.

METHOD FOR PRODUCING HIGH QUALITY BASE OILS USING TWO STAGE HYDROFINISHING

      
Document Number 03208350
Status Pending
Filing Date 2022-01-18
Open to Public Date 2022-07-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Bhattacharya, Subhasis
  • Lei, Guan-Dao

Abstract

Described are processes to produce base oils with one more improved properties, e.g., lower aromatics, economically and/or efficiently. In some embodiments, the processes relate to two stage (or more) hydrofinishing which advantageously provides base oils with lower aromatics than comparable one stage processes.

IPC Classes  ?

  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
  • B01J 23/40 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of noble metals of the platinum group metals
  • B01J 29/74 - Noble metals
  • C10G 45/44 - Hydrogenation of the aromatic hydrocarbons
  • C10G 45/52 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/62 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

47.

METHOD FOR PRODUCING HIGH QUALITY BASE OILS USING MULTIPLE STAGE PROCESSING

      
Document Number 03208352
Status Pending
Filing Date 2022-01-18
Open to Public Date 2022-07-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Lei, Guan-Dao

Abstract

Described are processes to produce base oils with one more improved properties, e.g., lower aromatics, economically and/or efficiently. In some embodiments the processes comprise a step that reduces the amount of residual refractory sulfur compounds prior to or simultaneous with a hydrofinishing step which advantageously provides base oils with lower aromatics than comparable processes.

IPC Classes  ?

  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
  • B01J 23/40 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of noble metals of the platinum group metals
  • B01J 29/74 - Noble metals
  • C10G 45/06 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
  • C10G 45/52 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/60 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used

48.

BASE OIL PRODUCTION USING UNCONVERTED OIL

      
Document Number 03208274
Status Pending
Filing Date 2022-01-17
Open to Public Date 2022-07-21
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Duma, Viorel
  • Bhattacharya, Subhasis
  • Lei, Guan-Dao

Abstract

A method of producing a base oil product by hydroprocessing unconverted oil from a hydrocracker in an unconverted oil upgrade reactor to produce upgraded unconverted oil and dewaxing the upgraded unconverted oil to produce the base oil product.

IPC Classes  ?

  • C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
  • C10G 21/00 - Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
  • C10G 45/46 - Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used
  • C10G 45/60 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
  • C10G 65/06 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a selective hydrogenation of the diolefins
  • C10G 65/08 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a hydrogenation of the aromatic hydrocarbons
  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 67/04 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen
  • C10M 101/00 - Lubricating compositions characterised by the base-material being a mineral or fatty oil

49.

HYDROISOMERIZATION CATALYSTS

      
Document Number 03207843
Status Pending
Filing Date 2022-01-13
Open to Public Date 2022-07-21
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Ojo, Adeola Florence
  • Lei, Guan-Dao

Abstract

A hydroisomerization catalyst comprising a molecular sieve belonging to the ZSM-48 family of zeolites; an inorganic oxide support; one or more first modifiers selected from Groups 8 to 10; and one or more second modifiers selected from the group consisting of calcium (Ca), chromium (Cr), magnesium (Mg), lanthanum (La), barium (Ba), praseodymium (Pr), strontium (Sr), potassium (K) and neodymium (Nd). The molecular sieve comprises: a silicon oxide to aluminum oxide mole ratio of about 40 to about 220; at least about 70% polytype 6 of the total ZSM-48-type material present in the product; and an additional EUO-type molecular sieve phase in an amount of between about 0 and about 7.0 percent by weight of the total product. The molecular sieve has a morphology characterized as polycrystalline aggregates comprising crystallites collectively having an average aspect ratio of between about 1 and about 8.

IPC Classes  ?

  • B01J 21/04 - Alumina
  • B01J 29/00 - Catalysts comprising molecular sieves
  • B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
  • B01J 29/74 - Noble metals
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/80 - Mixtures of different zeolites
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

50.

PROCESS USING MOLECULAR SIEVE SSZ-91 HYDROCRACKING CATALYST

      
Document Number 03208269
Status Pending
Filing Date 2022-01-17
Open to Public Date 2022-07-21
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Duma, Viorel
  • Maesen, Theodorus Ludovicus Michael
  • Yoon, Hyungjae Alexander

Abstract

Described herein is a hydrocracking catalyst and process that may be used to make middle distillates and unconverted oil having beneficial yield and product characteristics. The process generally comprises contacting a hydrocarbon feed with the hydrocracking catalyst under hydrocracking conditions to produce a product comprising middle distillates and unconverted oil products. The hydrocracking catalyst comprises an SSZ-91 molecular sieve and a modifying metal selected from one or more Group 6 metals, and, optionally, one or more Group 8 to 10 metals, or a modifying metal selected from Group 8 to 10 metals and combinations thereof, and, optionally, one or more Group 6 metals. The hydrocracking catalyst may comprise a matrix material and/or an additional zeolite.

IPC Classes  ?

  • C10G 47/16 - Crystalline alumino-silicate carriers
  • B01J 29/72 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing iron group metals, noble metals or copper
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/78 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • C10G 47/18 - Crystalline alumino-silicate carriers the catalyst containing platinum group metals or compounds thereof
  • C10G 47/20 - Crystalline alumino-silicate carriers the catalyst containing other metals or compounds thereof

51.

PROCESS HAVING IMPROVED BASE OIL YIELD

      
Document Number 03206659
Status Pending
Filing Date 2021-12-24
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Peinado, Kenny
  • Jia, Jifei
  • Lei, Guan-Dao
  • Parekh, Jay
  • Zhang, Yihua

Abstract

Provided is a process for preparing base oil from a waxy hydrocarbon feedstock by contacting the hydrocarbon feedstock in a hydroisomerization zone under hydroisomerization conditions. The reaction is in the presence of hydrogen and an inert gas, with the total pressure in the hydroisomerization zone being at least 400 psig. A product from the hydroisomerization zone is collected and separated into base oil products and fuel products. The inert gas can comprise any suitable inert gas, but is generally nitrogen, methane or argon. Nitrogen is used in one embodiment.

IPC Classes  ?

  • C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps

52.

PROCESS PROVIDING IMPROVED BASE OIL YIELD

      
Document Number 03206660
Status Pending
Filing Date 2021-12-24
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Parekh, Jay
  • Jia, Jifei
  • Lei, Guan-Dao
  • Peinado, Kenny
  • Zhang, Yihua
  • Lee, Shanying

Abstract

A process for preparing a base oil from a waxy hydrocarbon feedstock is provided. The process comprises passing the hydrocarbon feedstock to a distillation column prior to dewaxing in order to recover a heavy wax cut. The heavy wax is then hydrocracked to lower boiling compounds which can be better isomerized to a base oil with an acceptable cloud point. The base oil yield is also increased.

IPC Classes  ?

  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 65/14 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural parallel stages only

53.

SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS

      
Document Number 03206662
Status Pending
Filing Date 2021-12-29
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Chen, Cong-Yan
  • Maesen, Theodorus Ludovicus Michael
  • Davis, Tracy Margaret
  • Xie, Dan

Abstract

Provided is a process for hydrocracking normal paraffins into lighter normal paraffins with minimal formation of iso-paraffins. The process comprises hydrocracking a hydrocarbon feedstock comprising normal paraffins under hydrocracking conditions. The reaction is run in the presence of a selected catalyst, e.g., an LTA-type zeolite, with a requisite topology and acid site density. The zeolite has a framework type with voids greater than 0.50 nm in diameter, which are accessible through apertures characterized by a longest diameter of less than 0.50 nm and a shortest diameter of more than 0.30 nm. The reaction conducted in the presence of such a selected zeolite produces an n-paraffin rich product.

IPC Classes  ?

  • C10G 47/16 - Crystalline alumino-silicate carriers
  • B01J 29/068 - Noble metals
  • B01J 29/072 - Iron group metals or copper
  • B01J 29/076 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J 29/72 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing iron group metals, noble metals or copper
  • B01J 29/74 - Noble metals
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/78 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • C10G 47/18 - Crystalline alumino-silicate carriers the catalyst containing platinum group metals or compounds thereof
  • C10G 47/20 - Crystalline alumino-silicate carriers the catalyst containing other metals or compounds thereof

54.

SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS

      
Document Number 03206665
Status Pending
Filing Date 2021-12-29
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Schmidt, Joel
  • Chen, Cong-Yan
  • Maesen, Theodorus Ludovicus Michael
  • Xie, Dan

Abstract

Provided is a process for hydrocracking normal paraffins into lighter normal paraffins with minimal formation of iso-paraffins. The process comprises hydrocracking a hydrocarbon feedstock comprising normal paraffins under hydrocracking conditions. The reaction is run in the presence of a specific type of zeolite based catalyst which has been found to provide high conversion with minimal iso-paraffin products. In one embodiment, the zeolite is of the framework PWO. The reaction conducted in the presence of the zeolite based catalyst produces an n-paraffin rich product that needs no separation step before being fed to a steam cracker to produce lower olefins.

IPC Classes  ?

  • C10G 47/16 - Crystalline alumino-silicate carriers
  • B01J 29/068 - Noble metals
  • B01J 29/072 - Iron group metals or copper
  • B01J 29/076 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J 29/72 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing iron group metals, noble metals or copper
  • B01J 29/74 - Noble metals
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/78 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • C10G 47/18 - Crystalline alumino-silicate carriers the catalyst containing platinum group metals or compounds thereof
  • C10G 47/20 - Crystalline alumino-silicate carriers the catalyst containing other metals or compounds thereof

55.

HYDROCRACKING OPERATION WITH REDUCED ACCUMULATION OF HEAVY POLYNUCLEAR AROMATICS

      
Document Number 03206668
Status Pending
Filing Date 2021-12-29
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Jiao, Ling
  • Zhan, Bi-Zeng
  • Bushee, Don
  • Maesen, Theodorus Ludovicus Michael
  • Timken, Hye-Kyung
  • Dutta, Richard
  • Parekh, Jay

Abstract

Provided is a hydrocracking process with a recycle loop for converting a petroleum feed to lower boiling products, which process comprises reacting a stream over a non-zeolite noble metal catalyst at a temperature of about 650°F (343°C) or less in a reactor positioned in the recycle loop of the hydrocracking reactor.

IPC Classes  ?

  • C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
  • B01J 35/10 - Solids characterised by their surface properties or porosity
  • C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
  • C10G 69/04 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of catalytic cracking in the absence of hydrogen

56.

PROCESS FOR HYDROISOMERISING A HYDROCARBON FEED

      
Document Number 03206679
Status Pending
Filing Date 2021-12-20
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Ojo, Adeola Florence

Abstract

Described herein is a process for hydroisomerising a hydrocarbon feed. The process may comprise: combining a hydrocarbon feed and a hydroisomerisation additive to provide a combined feed; and contacting the combined feed with a hydroisomerisation catalyst comprising zeolite SSZ-91, where the hydroisomerisation additive is a substituted or unsubstituted nitrogen heterocycle.

IPC Classes  ?

  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

57.

PROCESSES FOR PRODUCING DIESEL FROM UNCONVENTIONAL FEEDSTOCKS

      
Document Number 03206681
Status Pending
Filing Date 2021-12-20
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Krishna, Kamala R.
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Ojo, Adeola Florence

Abstract

Described herein are processes for hydroisomerising an unconventional feedstock using a hydroisomerisation catalyst comprising zeolite SSZ-91, zeolite SSZ-32, or zeolite SSZ-32x to provide a diesel fuel.

IPC Classes  ?

  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

58.

HYDROISOMERIZATION CATALYST WITH IMPROVED THERMAL STABILITY

      
Document Number 03206687
Status Pending
Filing Date 2021-12-20
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Ojo, Adeola Florence
  • Lei, Guan-Dao

Abstract

A method for making a hydroisomerization catalyst having improved thermal stability and metal dispersion characteristics, the catalyst prepared therefrom, and a process for making a base oil product using the catalyst are disclosed. The catalyst is prepared from a composition comprising an SSZ-91 molecular sieve and a rare earth modified alumina, with the composition being modified to contain a Group 8-10 metal, typically through impregnation of a Group 8-10 metal composition. The catalyst may be used to produce dewaxed base oil products by contacting the catalyst under hydroisomerization conditions with a hydrocarbon feedstock.

IPC Classes  ?

  • B01J 21/04 - Alumina
  • B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
  • B01J 29/74 - Noble metals
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/80 - Mixtures of different zeolites

59.

IMPROVED PROCESS TO MAKE FINISHED BASE OILS AND WHITE OILS FROM DEWAXED BULK BASE OILS

      
Document Number 03206657
Status Pending
Filing Date 2021-12-24
Open to Public Date 2022-07-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Peinado, Kenny
  • Parekh, Jay
  • Jia, Jifei
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Zhang, Guang

Abstract

Provided in one embodiment is an improved and more flexible process for preparing a finished base oil or a white oil product comprising passing a dewaxed base oil product to a distillation column and separating the dewaxed base oil product into fuel and base oil product streams. The base oil product streams are tested to determine if they meet desired specifications. Base oil product streams that meet the desired minimum base oil specifications are passed to a hydrofinishing reactor to prepare a white oil product, or passed to direct sale.

IPC Classes  ?

  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
  • C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins

60.

CATALYST AND PROCESS USING SSZ-91 AND ZSM-12

      
Document Number 03202869
Status Pending
Filing Date 2021-11-22
Open to Public Date 2022-06-02
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Ojo, Adeola Florence
  • Lei, Guan-Dao

Abstract

An improved hydroisomerization catalyst and process for making a base oil product using a catalyst comprising SSZ-91 molecular sieve and ZSM-12 molecular sieve. The catalyst and process generally involves the use of a catalyst comprising an SSZ-91 molecular sieve combined with a ZSM-12 molecular sieve to produce dewaxed base oil products by contacting the catalyst with a hydrocarbon feedstock. The catalyst and process provide improved base oil cold properties, such as pour point and cloud point, along with other beneficial base oil properties.

IPC Classes  ?

61.

HIGH NANOPORE VOLUME CATALYST AND PROCESS USING SSZ-91

      
Document Number 03201284
Status Pending
Filing Date 2021-11-11
Open to Public Date 2022-05-19
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Ojo, Adeola Florence
  • Lei, Guan-Dao

Abstract

An improved hydroisomerization catalyst and process for making a base oil product wherein the catalyst comprises a base extrudate that includes SSZ-91 molecular sieve and a high nanopore volume alumina. The catalyst and process generally involves the use of a SSZ-91/high nanopore volume alumina based catalyst to produce dewaxed base oil products by contacting the catalyst with a hydrocarbon feedstock. The catalyst base extrudate advantageously comprises an alumina having a pore volume in the 11-20 nm pore diameter range of 0.05 to 1.0 cc/g, with the base extrudate formed from SSZ-91 and the alumina having a total pore volume in the 2-50 nm pore diameter range of 0.12 to 1.80 cc/g. The catalyst and process provide improved base oil yield with reduced gas and fuels production.

IPC Classes  ?

  • B01J 21/04 - Alumina
  • B01J 29/74 - Noble metals
  • B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

62.

CATALYST SYSTEM AND PROCESS USING SSZ-91 AND SSZ-95

      
Document Number 03201285
Status Pending
Filing Date 2021-11-11
Open to Public Date 2022-05-19
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Lei, Guan-Dao

Abstract

An improved hydroisomerization catalyst system and process for making a base oil product using a combined catalyst system comprising SSZ-91 molecular sieve and SSZ-95 molecular sieve. The catalyst system and process generally involves the use of a catalyst comprising an SSZ-91 molecular sieve and a separate catalyst comprising an SSZ-95 molecular sieve to produce dewaxed base oil products by sequentially contacting the catalysts with a hydrocarbon feedstock. The catalyst system and process provide improved base oil yield along with other beneficial base oil properties.

IPC Classes  ?

  • B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
  • B01J 29/72 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing iron group metals, noble metals or copper
  • B01J 29/76 - Iron group metals or copper
  • B01J 29/80 - Mixtures of different zeolites
  • C10G 45/62 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps

63.

SILICA-ALUMINA COMPOSITION COMPRISING FROM 1 TO 30 WT.% OF CRYSTALLINE AMMONIUM ALUMINUM CARBONATE HYDROXIDE AND METHOD FOR MAKING THE SAME

      
Document Number 03201469
Status Pending
Filing Date 2021-07-22
Open to Public Date 2022-05-19
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Jothimurugesan, Kandaswamy
  • Timken, Hye-Kyung Cho

Abstract

A process of making a silica-alumina composition having improved properties is provided. The process includes (a) mixing an aqueous solution of a silicon compound and an aqueous solution of an aluminum compound and an acid, while maintaining a pH of the mixed solution in a range of 1 to 3, and obtaining an acidified silica-alumina sol; (b) adding an aqueous solution of a base precipitating agent to the acidified silica-alumina sol to a final pH in a range of 5 to 8, and co-precipitating a silica-alumina slurry, wherein the base precipitating agent is selected from ammonium carbonate, ammonium bicarbonate, and any combination thereof; (c) optionally, hydrothermally aging the silica-alumina slurry to form a hydrothermally aged silica-alumina slurry; and (d) recovering a precipitate solid from the silica-alumina slurry or the hydrothermally aged silica-alumina slurry, wherein the precipitate solid comprises the silica-alumina composition.

IPC Classes  ?

64.

LUBRICATING OIL COMPOSITION WITH RENEWABLE BASE OIL, HAVING LOW SULFUR AND SULFATED ASH CONTENT AND CONTAINING MOLYBDENUM AND BORON COMPOUNDS

      
Document Number 03200102
Status Pending
Filing Date 2021-10-27
Open to Public Date 2022-05-05
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Van Dam, Willem
  • Patel, Mihir K.

Abstract

A lubricant composition and method for improving engine performance using a renewable base oil composition comprising hydrocarbon mixtures and a lubricant additive having a sulfur content of up to about 0.4 wt.% and a sulphated ash content of up to about 0.5 wt. % is described herein.

IPC Classes  ?

  • C10M 169/04 - Mixtures of base-materials and additives

65.

ARYLOXY ALKYLAMINES AS FUEL ADDITIVES FOR REDUCING INJECTOR FOULING IN DIRECT INJECTION SPARK IGNITION GASOLINE ENGINES

      
Document Number 03195345
Status Pending
Filing Date 2021-09-15
Open to Public Date 2022-03-24
Owner
  • CHEVRON ORONITE COMPANY LLC (USA)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Ng, Man Kit
  • Cherpeck, Richard Eugene
  • Chan, Carrie Y.
  • Mendenhall, Kris
  • Ickes, Andrew M.
  • Fuentes-Afflick, Peter A.
  • Wang, Justin

Abstract

A fuel composition is described. The composition contains gasoline and an aryloxy alkylamine additive. The structure of the aryloxy alkylamine additive is given by Formula (I) where the aryloxy alkylamine additive is present in about 10 to about 750 ppm by weight based on total weight of the fuel composition. X is a hydrocarbyl group having 1 or 2 carbon atoms. R1 and R2 are independently hydrogen or substituted hydrocarbyl group having up to 36 carbon atoms..

IPC Classes  ?

  • C07C 217/50 - Ethers of hydroxy amines of undetermined structure, e.g. obtained by reactions of epoxides with hydroxy amines
  • C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
  • C10L 10/02 - Use of additives to fuels or fires for particular purposes for reducing smoke development
  • C10L 10/04 - Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
  • C10L 10/06 - Use of additives to fuels or fires for particular purposes for facilitating soot removal
  • C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
  • C10L 1/224 - Amides; Imides
  • C10L 1/23 - Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
  • C10L 1/2383 - Polyamines or polyimines, or derivatives thereof
  • C10L 1/2387 - Polyoxyalkyleneamines

66.

PROCESS AND SYSTEM FOR BASE OIL PRODUCTION USING BIMETALLIC SSZ-91 CATALYST

      
Document Number 03193590
Status Pending
Filing Date 2021-09-03
Open to Public Date 2022-03-10
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhang, Yihua
  • Ojo, Adeola Florence
  • Lei, Guan-Dao

Abstract

An improved process and catalyst system for making a base oil product and for reducing base oil aromatics content, while also providing good product yields. The process and catalyst system generally involves the use of a bimetallic SSZ-91 catalyst by contacting the catalyst with a hydrocarbon feedstock to provide dewaxed base oil products.

IPC Classes  ?

  • B01J 23/56 - Platinum group metals
  • B01J 23/62 - Platinum group metals with gallium, indium, thallium, germanium, tin or lead
  • B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
  • B01J 29/74 - Noble metals
  • C10G 45/62 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves

67.

TRIMETAL SUPPORTED CATALYST

      
Document Number 03192620
Status Pending
Filing Date 2021-08-23
Open to Public Date 2022-03-03
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhan, Bi-Zeng
  • Le, Bao

Abstract

Provided is a novel catalyst comprised of an alumina, silica-alumina, and a zeolite containing base impregnated with Ni, Mo, and W. In one embodiment, the trimetallic catalyst is layered with a conventional hydrocracking pretreat catalyst to provide a catalyst combination useful in hydrotreating a feed to a hydrocracking stage.

IPC Classes  ?

  • B01J 29/48 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J 29/06 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
  • B01J 37/02 - Impregnation, coating or precipitation
  • C10G 49/04 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or characterised by the catalyst used containing nickel, cobalt, chromium, molybdenum, or tungsten metals, or compounds thereof

68.

PROCESS AND SYSTEM FOR BASE OIL PRODUCTION

      
Document Number 03192650
Status Pending
Filing Date 2021-08-30
Open to Public Date 2022-03-03
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Bhattacharya, Subhasis
  • Zhang, Yihua
  • Lei, Guan-Dao
  • Pradhan, Ajit R.

Abstract

An improved process and catalyst system for making a base oil product and for improving base oil cloud point and pour point characteristics, while also providing good product yields. The process and catalyst system generally involves the use of a layered catalyst system comprising an SSZ-91 catalyst and an SSZ-32X catalyst arranged to sequentially contact a hydrocarbon feedstock with both catalysts and thereby provide dewaxed base oil products.

IPC Classes  ?

  • B01J 23/56 - Platinum group metals
  • B01J 23/58 - Platinum group metals with alkali- or alkaline earth metals or beryllium
  • B01J 29/74 - Noble metals
  • C10G 45/62 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds thereof
  • C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps

69.

COKE MORPHOLOGY BY IMAGE SEGMENTATION

      
Document Number 03190626
Status Pending
Filing Date 2021-07-26
Open to Public Date 2022-02-17
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Chaudhuri, Kaustav
  • Rea, Thomas M.
  • Rogel, Estrella
  • Ovalles, Cesar
  • Hajdu, Paul E.

Abstract

The present invention is directed to a method for the prediction of coke morphology from feed characteristics using cross-polarized light optical microscopy, image segmentation, and statistical analysis. In particular, the method comprises performing a microcarbon test (MCRT) on a coker feed, ASTM D 4530 to produce a MCRT coke sample, using cross-polarized light optical microscopy at 100X, 200X or 500X, preferably 500X, to produce a photo of the MCRT coke sample, using machine learning segmentation software to produce a segmented output file that comprises a partitioned image with multiple segments, determining structural parameters of output file by applying statistical analysis weighted by area, and correlating the resulting statistical analysis to a coke morphology. Preferably, the structural parameter is Feret maximum, number of particles less than or equal to 100 microns or area calculated by statistical analysis.

IPC Classes  ?

  • C10B 55/00 - Coking mineral oils, bitumen, tar or the like, or mixtures thereof, with solid carbonaceous materials
  • G06T 7/10 - Segmentation; Edge detection
  • C10B 57/04 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
  • C10G 9/00 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
  • G01N 33/28 - Oils

70.

HIGH ACTIVITY SECOND STAGE NAPHTHA HYDROCRACKING CATALYST

      
Document Number 03190210
Status Pending
Filing Date 2021-07-23
Open to Public Date 2022-02-03
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Jia, Jifei
  • Zhan, Bi-Zeng
  • Louie, Wai Seung William
  • Arora, Arun
  • Parekh, Jay

Abstract

Provided is a novel catalyst for use in the second stage of a two-stage hydrocracking process. The present process comprises hydrocracking a hydrocarbon feed in a first stage. The catalyst in the first stage is a conventional hydrocracking catalyst. The product from the first stage can then be transferred to a second hydrocracking stage. The catalyst used in the second stage of the present hydrocracking process comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table, and an organic acid. The base of the catalyst used in the present second hydrocracking stage comprises alumina, an amorphous silica-alumina (ASA) material, and a USY zeolite. Improved naphtha production is achieved.

IPC Classes  ?

  • B01J 29/06 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
  • C10G 21/20 - Nitrogen-containing compounds

71.

FUEL ADDITIVES FOR MITIGATING INJECTOR NOZZLE FOULING AND REDUCING PARTICULATE EMISSIONS

      
Document Number 03188758
Status Pending
Filing Date 2021-07-07
Open to Public Date 2022-01-13
Owner
  • CHEVRON ORONITE COMPANY LLC (USA)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Kuo, Chung-Hao
  • Ruhe, William Raymond, Jr.
  • Ng, Man Kit
  • Fuentes-Afflick, Peter A.
  • Ickes, Andrew M.
  • Chan, Carrie Y.
  • Gunawan, Theresa L.

Abstract

The present disclosure provides a fuel composition that includes hydrocarbon-based fuel boiling in the gasoline or diesel range; an amine-based detergent given by formula R1-O-(CH2)m-NHR2, wherein the additive is present in about 10 ppm to about 750 ppm by weight based on total weight of the fuel composition; wherein R1 is a hydrocarbylgroup having 8 to 20 carbons, R2 is hydrogen or (CH2)nNH2 moiety, and wherein m, n are independently integers having a value of 3 or greater; and one or more nitrogen-containing detergent.

IPC Classes  ?

  • C10L 1/10 - Liquid carbonaceous fuels containing additives
  • C10L 10/02 - Use of additives to fuels or fires for particular purposes for reducing smoke development
  • C10L 10/06 - Use of additives to fuels or fires for particular purposes for facilitating soot removal
  • C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
  • C10L 1/224 - Amides; Imides
  • C10L 1/23 - Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
  • C10L 1/238 - Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
  • C10L 1/2387 - Polyoxyalkyleneamines

72.

HYDROCRACKING CATALYST FOR HEAVY DISTILLATE

      
Document Number 03184750
Status Pending
Filing Date 2021-06-15
Open to Public Date 2021-12-23
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Jia, Jifei
  • Zhan, Bi-Zeng
  • Maesen, Theodorus Ludovicus Michael

Abstract

The process comprises hydrocracking a hydrocarbon feed in a single stage. The catalyst comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table, as well as citric acid. The base of the catalyst used in the present hydrocracking process comprises alumina, an amorphous silica-alumina (ASA) material, a USY zeolite, and a beta zeolite.

IPC Classes  ?

  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 45/16 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles suspended in the oil, e.g. slurries
  • C10G 47/26 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions with moving solid particles suspended in the oil, e.g. slurries

73.

SYSTEMS AND METHODS FOR CONTINUOUS MEASUREMENT OF EROSION AND CORROSION IN OIL AND GAS FACILITIES

      
Document Number 03186049
Status Pending
Filing Date 2021-06-11
Open to Public Date 2021-12-16
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Cameron, John Alasdair
  • Jones, Colin
  • Janakiram Subramani, Hariprasad
  • Rhyne, Lee D.
  • Lazo, Antonio

Abstract

Disclosed are systems and methods for detecting the erosion and corrosion effects of solids during oil and/or gas production. An erosion corrosion detector (BCD) is positioned in fluid communication with a pipe in a production facility such that a sensor element of the BCD contacts at least a partial stream of produced fluid in the pipe. Changes in one or more physical measurement of the BCD and/or changes in pressure drop across the sensor element are monitored over time. The changes are interpreted to identify whether there is loss of materials (e.g., metal) in the production facility, quantify of this loss, and determine the mechanisms through which this loss is occurring. A control system can receive the change in the physical measurement and/or the pressure drop over time as input into a control strategy for controlling a well control valve to control a rate of production of well fluids.

IPC Classes  ?

  • G01N 17/02 - Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
  • G01F 1/88 - Indirect mass flowmeters, e.g. measuring volume flow and density, temperature, or pressure with differential-pressure measurement to determine the volume flow
  • G01N 17/04 - Corrosion probes

74.

USE OF MTW-ZEOLITE IN SUPPORT FOR HYDROCRACKING CATALYSTS WITH IMPROVED SELECTIVITY AND COLD FLOW PROPERTY OF MIDDLE DISTILLATE

      
Document Number 03183730
Status Pending
Filing Date 2021-05-14
Open to Public Date 2021-11-25
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhan, Bi-Zeng
  • Liang, Ann Jia-Bao
  • Maesen, Theodorus Ludovicus Michael

Abstract

The process comprises hydrocracking a hydrocarbon feed in a single stage. The catalyst comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table. The base of the catalyst used in the present hydrocracking process comprises alumina, an amorphous silica-alumina (ASA) material, aUSY zeolite, optionally a beta zeolite, and zeolite ZSM-12.

IPC Classes  ?

  • B01J 23/755 - Nickel
  • B01J 29/08 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
  • B01J 29/16 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

75.

TETRAMETALLIC BULK HYDROPROCESSING CATALYSTS

      
Document Number 03181039
Status Pending
Filing Date 2021-03-03
Open to Public Date 2021-11-11
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Ouyang, Xiaoying
  • Duma, Viorel
  • Kuperman, Alexander
  • Uckung, Ibrahim
  • Maesen, Theodorus Ludovicus Michael
  • Brait, Axel
  • Wilson, Charles

Abstract

Bulk catalysts comprised of oxides of nickel, molybdenum, tungsten and titanium and methods for synthesizing bulk catalysts are provided. The catalysts are useful for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks. The bulk catalyst precursor is not calcined and comprises hydroxides.

IPC Classes  ?

  • B01J 21/06 - Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
  • B01J 23/888 - Tungsten
  • B01J 27/051 - Molybdenum
  • B01J 37/03 - Precipitation; Co-precipitation
  • B01J 37/04 - Mixing
  • B01J 37/20 - Sulfiding
  • C10G 45/08 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof

76.

MTW-ZEOLITE AS SUPPORT FOR SECOND STAGE HYDROCRACKING CATALYSTS WITH IMPROVED SELECTIVITY AND COLD FLOW PROPERTY OF DISTILLATE PRODUCTS

      
Document Number 03182010
Status Pending
Filing Date 2021-05-05
Open to Public Date 2021-11-11
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Zhan, Bi-Zeng
  • Davis, Tracy M.
  • Liang, Ann Jia-Bao

Abstract

The present process comprises hydrocracking a hydrocarbon feed in a first stage. The catalyst in the first stage is a conventional hydrocracking catalyst. The product from the first stage can then be transferred to a second hydrocracking stage. The catalyst used in the second stage of the present hydrocracking process comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table. The base of the catalyst used in the present second hydrocracking stage comprises alumina, an amorphous silica-alumina (ASA) material, a USY zeolite and zeolite ZSM-12.

IPC Classes  ?

  • B01J 29/48 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J 29/90 - Regeneration or reactivation
  • B01J 38/02 - Heat treatment

77.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE VIA OIL REFINERY WITH FILTERING AND METAL OXIDE TREATMENT OF PYROLYSIS OIL

      
Document Number 03177035
Status In Force
Filing Date 2021-04-22
Open to Public Date 2021-10-28
Grant Date 2024-02-20
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided in one embodiment is a continuous process for converting waste plastic comprising polyethylene and/or polypropylene into recycle for polypropylene polymerization. The process comprises selecting waste plastics containing polyethylene, polypropylene, or a mixture thereof, and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a pyrolysis oil comprising a naphtha, diesel and heavy fractions, and char. The pyrolysis oil, or at least a fraction, is passed to a filtration/metal oxide treatment, with the treated product passed to a refinery FCC unit. A liquid petroleum gas C3 olefin/paraffin mixture fraction is recovered from the FCC unit, as well as a C4 olefin/paraffm mixture fraction. The C3 olefin fraction can be passed to a propylene polymerization reactor, and the C3 paraffin passed to a dehydrogenation unit to produce propylene for further polymerization.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
  • C10G 31/09 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration

78.

HIGH PERFORMANCE GREASE COMPOSITIONS WITH A RENEWABLE BASE OIL

      
Document Number 03180654
Status Pending
Filing Date 2021-04-20
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor Kumar, Anoop

Abstract

The present invention is directed to high-performance grease compositions based on renewal base oils. The compositions disclosed in this invention with or without performance additives delineate superior anti-wear, anti-friction, thermal & oxidation stability, high temperature long life, low noise, low thickener content, better dispersion in renewable base oil compared to identical grease compositions prepared with conventional mineral and synthetic base oils. The grease compositions formed from renewable base oils may be utilized in bearings and gears in automotive, industrial and marine applications.

IPC Classes  ?

  • C10M 169/02 - Mixtures of base-materials and thickeners

79.

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

      
Document Number 03180689
Status Pending
Filing Date 2021-04-26
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Pinnawala, Gayani W.
  • Palayangoda, Sujeewa S.
  • Winslow, Gregory A.
  • Dwarakanath, Varadarajan

Abstract

The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof such as in oil and gas operations. Methods of making polyanionic surfactants are also described.

IPC Classes  ?

  • C09K 23/44 - Ether carboxylic acids
  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • E21B 43/22 - Use of chemicals or bacterial activity

80.

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

      
Document Number 03180692
Status Pending
Filing Date 2021-04-26
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Pinnawala, Gayani W.
  • Palayangoda, Sujeewa S.
  • Winslow, Gregory A.
  • Dwarakanath, Varadarajan

Abstract

The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.

IPC Classes  ?

  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C09K 8/60 - Compositions for stimulating production by acting on the underground formation

81.

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

      
Document Number 03180698
Status Pending
Filing Date 2021-04-26
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Pinnawala, Gayani W.
  • Palayangoda, Sujeewa S.
  • Winslow, Gregory A.
  • Dwarakanath, Varadarajan
  • Spilker, Kerry Kennedy
  • Shong, Robert George

Abstract

The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.

IPC Classes  ?

  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C09K 8/60 - Compositions for stimulating production by acting on the underground formation

82.

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

      
Document Number 03180702
Status Pending
Filing Date 2021-04-26
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Pinnawala, Gayani W.
  • Palayangoda, Sujeewa S.
  • Winslow, Gregory A.
  • Dwarakanath, Varadarajan
  • Spilker, Kerry Kennedy
  • Shong, Robert George

Abstract

The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.

IPC Classes  ?

  • C09K 23/42 - Ethers, e.g. polyglycol ethers of alcohols or phenols
  • C09K 23/10 - Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids
  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • E21B 43/22 - Use of chemicals or bacterial activity

83.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE VIA OIL REFINERY WITH FILTERING AND METAL OXIDE TREATMENT OF PYROLYSIS OIL

      
Document Number 03177034
Status Pending
Filing Date 2021-04-22
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided in one embodiment is a continuous process for converting waste plastic comprising polyethylene and/or polypropylene into recycle for polyethylene polymerization. The process comprises selecting waste plastics containing polyethylene, polypropylene, or a mixture thereof, and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a pyrolysis oil comprising a naphtha, diesel and heavy fractions, and char. The pyrolysis oil, or at least a fraction, is passed to a filtration/metal oxide treatment, with the treated product passed to a refinery FCC unit. A liquid petroleum gas C3 olefin/paraffin mixture fraction is recovered from the FCC unit, as well as a C4 olefin/paraffin mixture fraction. The liquid petroleum gas C3 olefin/paraffin mixture fraction is passed to a steam cracker for ethylene production.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
  • C10G 31/09 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration

84.

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

      
Document Number 03180696
Status Pending
Filing Date 2021-04-26
Open to Public Date 2021-10-28
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Pinnawala, Gayani W.
  • Palayangoda, Sujeewa S.
  • Winslow, Gregory A.
  • Dwarakanath, Varadarajan

Abstract

The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.

IPC Classes  ?

  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C09K 8/60 - Compositions for stimulating production by acting on the underground formation

85.

COMPOSITIONAL RESERVOIR SIMULATION

      
Document Number 03180521
Status Pending
Filing Date 2021-04-16
Open to Public Date 2021-10-21
Owner
  • CHEVRON U.S.A. INC. (USA)
  • SCHLUMBERGER CANADA LIMITED (Canada)
Inventor
  • Lee, Seong Hee
  • Tene, Matei
  • Du, Song
  • Wen, Xian-Huan
  • Efendiev, Yalchin

Abstract

Embodiments of conservative, sequential fully implicit compositional reservoir simulation are disclosed where 1) pressure, 2) saturation, 3) component balance, and 4) phase equilibrium are computed sequentially to solve for movement of liquid and gas phases over a series of time-steps until convergence to represent fluid flow within the subterranean reservoir. All molecular components in each of the liquid and gas phases are fixed to move with an equivalent phase velocity. Thermodynamic fluxes are accounted for when computing phase equilibrium by computing a difference between fluid volume and pore volume. A hybrid upwinding scheme can be employed to reorder cells based on upwind direction to improve the saturation convergence, especially when phase equilibrium significantly alters the cell properties. The conservative, sequential fully implicit compositional reservoir simulation embodiments can be implemented in a multiscale finite volume formulation as it lends itself to modular programming design and provides natural physical interpretation.

IPC Classes  ?

  • E21B 49/00 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells

86.

HYDROFRACTURING APPLICATIONS UTILIZING DRILLING CUTTINGS FOR ENHANCEMENT OF WELLBORE PERMEABILITY

      
Document Number 03115151
Status Pending
Filing Date 2021-04-14
Open to Public Date 2021-10-17
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Trotter, Robert Neil
  • Carroll, Caleb Kimbrell
  • Riordan, Harold Gordon
  • Chaves Leal, Leonardo F.
  • Sonnier, Matthew David
  • Fisher, Jonathon Donald
  • Fernau, Harry Martin
  • Lattal, John Thomas
  • Kim, Amos Sunghyun

Abstract

The present disclosure provides methods and systems for hydrofracturing processes utilizing native drilling cuttings to enhance wellbore permeability. The native drilling cuttings are obtained during drilling operations and may be used in hydrofracturing applications without further grinding or processing. The native drilling cuttings can be combined into a slurry and injected into a well for the hydrofracturing application. In some cases, the native drilling cuttings are dried before combining them with the slurry.

IPC Classes  ?

  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures
  • E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping

87.

SELECTIVE PRODUCTION OF N-PARAFFIN HYDROCRACKING PRODUCTS FROM HEAVIER N-PARAFFINS

      
Document Number 03176953
Status Pending
Filing Date 2021-04-06
Open to Public Date 2021-10-14
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Girgis, Michael J.
  • Zones, Stacey I.

Abstract

A process for selectively making hydrocracked n-paraffins from hydrocarbon compositions comprising heavy n-paraffins is disclosed. The process generally comprises the use of a hydrocracking catalyst comprising an unsulfided low acidity noble metal containing zeolite. The invention is useful for making lighter n-paraffin products for various applications, generally including upgrading hydrocarbon feedstocks to produce fuels, solvents, lubricants, chemicals and other hydrocarbonaceous compositions, and more particularly, as feedstocks for ethylene and linear alkyl benzene production and as jet and diesel fuel blend components.

IPC Classes  ?

  • C10G 69/00 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process
  • C10G 67/04 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen
  • C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen

88.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE VIA REFINERY FCC OR FCC/ALKYLATION UNITS

      
Document Number 03164220
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-10-07
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Timken, Hye-Kyung
  • Mccord, Cameron

Abstract

Provided in one embodiment is a continuous process for converting waste plastic into recycle for polyethylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene, and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a pyrolysis oil and optionally wax comprising a naphtha/ diesel and heavy fraction, and char. The pyrolysis oil is passed to a refinery FCC unit from which a liquid petroleum gas C3 olefin/paraffin mixture fraction is recovered, as well as a C4 olefin/paraffin mixture fraction. In one embodiment, the pyrolysis oil is first passed to a FCC feed pretreater. The liquid petroleum gas C3 olefin/paraffin mixture fraction is passed to a steam cracker for ethylene production. The C4 olefin/paraffin mixture fraction is passed to a refinery alkylation unit, from which a n-butane and naphtha feed for a stream cracker to produce ethylene is recovered.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

89.

SYSTEMS AND METHODS FOR GENERATING SUBSURFACE FEATURE PREDICTION PROBABILITY DISTRIBUTIONS AS A FUNCTION OF POSITION IN A SUBSURFACE VOLUME OF INTEREST

      
Document Number 03168828
Status Pending
Filing Date 2021-01-25
Open to Public Date 2021-08-05
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Prochnow, Shane J.
  • Brennan, Patrick Rk
  • Moss-Russell, Amy C.

Abstract

Systems and methods are disclosed for generating subsurface feature prediction probability distributions from a subsurface feature as a function of position in a subsurface volume of interest. A computer- implemented method includes: obtaining subsurface data and well data (202), generating subsurface feature values (204), generating subsurface feature realizations (206), generating subsurface feature realization uncertainty values (208), generating subsurface parameter values (210), generating subsurface parameter realizations (212), generating subsurface feature prediction probability distributions (216), generating a first representation of likelihoods of the subsurface feature values (218), and displaying the first representation (220).

IPC Classes  ?

  • G06T 1/00 - General purpose image data processing

90.

COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDITIONS

      
Document Number 03168880
Status Pending
Filing Date 2021-01-25
Open to Public Date 2021-07-29
Owner
  • CHEVRON U.S.A. INC. (USA)
  • CHEVRON ORONITE COMPANY LLC (USA)
Inventor
  • Pinnawala, Gayani W.
  • Nizamidin, Nabijan
  • Dwarakanath, Varadarajan
  • Tang, Guo-Qing
  • Wilhelm, Aaron
  • West, Scott P.

Abstract

Described herein are surfactant compositions for use in oil and gas operations. The surfactant compositions are stable under harsh conditions, including in formations that exhibit high salinity, high temperature, and/or high H2S concentration. Also provided are methods of using these compositions. Specifically an aqueous composition comprising: (i) a surfactant package, wherein the surfactant package comprises: (a) a surfactant comprising a branched, unbranched, saturated, or unsaturated C6-C32: 80(0-65): PO(0-65): EO(0-100)-X having a concentration within the aqueous composition of from 0.05% - 5% by weight, based on the total weight of the aqueous composition, wherein there is at least one BO, PO, or EO group, and wherein X comprises a sulfonate, a disulfonate, a carboxylate, a dicarboxylate, a sulfosuccinate, a disulfosuccinate, or hydrogen: and (b) olefin sulfonate and/or a disulfonate; and (ii) water.

IPC Classes  ?

  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
  • E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

91.

COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDITIONS

      
Document Number 03168883
Status Pending
Filing Date 2021-01-25
Open to Public Date 2021-07-29
Owner
  • CHEVRON U.S.A. INC. (USA)
  • CHEVRON ORONITE COMPANY LLC (USA)
Inventor
  • Pinnawala, Gayani W.
  • Nizamidin, Nabijan
  • Dwarakanath, Varadarajan
  • Tang, Guo-Qing
  • Wilhelm, Aaron
  • West, Scott P.

Abstract

Described herein are surfactant compositions for use in oil and gas operations. The surfactant compositions are stable under harsh conditions, including in formations that exhibit high salinity, high temperature, and/or high H2S concentration. Also provided are methods of using these compositions.

IPC Classes  ?

  • C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
  • C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
  • E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

92.

METALS RECOVERY FROM SPENT CATALYST

      
Document Number 03165752
Status Pending
Filing Date 2021-01-20
Open to Public Date 2021-07-29
Owner CHEVRON U.S.A. INC. (USA)
Inventor
  • Bhaduri, Rahul Shankar
  • Reynolds, Bruce Edward
  • Mironov, Oleg A.
  • Kuperman, Alexander
  • Shiflett, Woodrow K.

Abstract

An improved method for recovering metals from spent catalysts, particularly from spent slurry catalysts, is disclosed. The method and associated processes comprising the method are useful to recover spent catalyst metals used in the petroleum and chemical processing industries. The method generally involves a combination of a pyrometallurgical and a hydrometallurgical method and includes forming a potassium carbonate calcine of a KOH leach residue of the spent catalyst containing an insoluble Group VIIIB/Group VIB/Group VB metal compound combined with potassium carbonate, and extracting and recovering soluble Group VIB metal and soluble Group VB metal compounds from the potassium carbonate calcine.

IPC Classes  ?

  • C22B 3/04 - Extraction of metal compounds from ores or concentrates by wet processes by leaching
  • C22B 34/22 - Obtaining vanadium
  • C22B 34/34 - Obtaining molybdenum

93.

METHOD AND SYSTEM FOR WASTE TREATMENT

      
Document Number 03163615
Status Pending
Filing Date 2020-12-31
Open to Public Date 2021-07-08
Owner
  • THE TEXAS A&M UNIVERSITY SYSTEM (USA)
  • CHEVRON U.S.A. INC. (USA)
Inventor
  • Pillai, Suresh D.
  • Staack, David
  • Lassalle, John
  • Hoelen, Thomas
  • Bireta, Paul

Abstract

A method of waste treatment includes treating partially-dewatered matrix with a first electron-beam radiation dose. The treated partially-dewatered matrix is transferred to a digester where the treated partially-dewatered matrix is subjected to anaerobic digestion. Biogas is recovered from the treated partially-dewatered matrix during the anaerobic digestion. The treated partially-dewatered matrix is dried and subjected to a second electron-beam radiation dose.

IPC Classes  ?

  • A23J 1/00 - Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
  • C02F 11/02 - Biological treatment

94.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE VIA REFINERY FCC UNIT

      
Document Number 03164216
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into recycle for polypropylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene, and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a naphtha/diesel fraction, a heavy fraction, and char. Pyrolysis oil and wax, comprising naphtha/diesel and heavy fractions, is passed to a refinery FCC unit. A liquid petroleum gas C3 olefin/paraffm mixture is recovered from the FCC unit. The C3 paraffins and C3 olefins are separated into different fractions with the C3 olefin fraction passed to a propylene polymerization reactor, and the C3 paraffin fraction passed optionally to a dehydrogenation unit to produce additional propylene.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

95.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE VIA REFINERY FCC AND ALKYLATION UNITS

      
Document Number 03164240
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into recycle for polypropylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a naphtha/diesel fraction, a heavy fraction, and char. Pyrolysis oil and wax, comprising the naphtha/diesel fraction and heavy fraction, is sent to a refinery FCC unit. A liquid petroleum gas C3 - C5 olefin/paraffm mixture is recovered from the FCC unit and passed to a refinery alkylation unit. A propane fraction is recovered from the alkylation unit and passed to a dehydrogenation unit to produce propylene. The propylene is passed to a propylene polymerization reactor.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

96.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE VIA REFINERY CRUDE UNIT

      
Document Number 03226858
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into a feedstock for polyethylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene, and then passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is then separated into offgas, a pyrolysis oil comprising a naphtha/diesel/heavy fraction, and char. The pyrolysis oil is passed to a crude unit in a refinery from which a naphtha fraction (C5-C8), or a propane and butane (C3-C4) fraction, is recovered. The naphtha fraction, or propane and butane (C3-C4) fraction, is then passed to a steam cracker for ethylene production.

IPC Classes  ?

  • C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
  • C07C 4/04 - Thermal processes
  • C08F 10/02 - Ethene

97.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE AND CHEMICALS VIA REFINERY CRUDE UNIT

      
Document Number 03164217
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into recycle for polyethylene polymerization or for normal alpha olefins. The process comprises selecting waste plastics containing polyethylene and/or polypropylene and then passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a naphtha/diesel fraction, a heavy fraction, and char. The naphtha/diesel fraction is passed to a crude unit in a refinery from which is recovered a straight run naphtha fraction (C5-C8) or a propane/butane (C3-C4) fraction. The straight run naphtha fraction, or propane and butane (C3-C4) fraction, is passed to a steam cracker for ethylene production. The ethylene is converted to normal alpha olefin and/or polyethylene. Also, a heavy fraction from the pyrolysis reactor can be combined with a heavy fraction of normal alpha olefin stream recovered from the steam cracker. The combined heavy fraction and heavy fraction of normal alpha olefin stream can be passed to a wax hydrogenation zone to produce wax.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

98.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE AND LUBRICATING OIL VIA REFINERY FCC AND ISOMERIZATION DEWAXING UNITS

      
Document Number 03164218
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

A continuous process for converting waste plastic into recycle for polypropylene polymerization is provided. The process integrates refinery operations to provide an effective and efficient recycle process. The process comprises selecting waste plastics containing polyethylene and polypropylene and then passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a naphtha/diesel fraction, a heavy fraction, and char. The naphtha/diesel fraction is passed to a refinery FCC unit, from which is recovered a liquid petroleum gas C3 olefin/paraffin mixture. The C3 paraffins and C3 olefins are separated into different fractions with a propane/propylene splitter. The C3 olefin fraction is passed to a propylene polymerization reactor. The C3 paraffin fraction is optionally passed to a dehydrogenation unit to produce additional propylene and then the resulting C3 olefin is passed to a propylene polymerization reactor. The heavy fraction of pyrolyzed oil is passed to an isomerization dewaxing unit to produce a lubricating base oil.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10B 57/06 - Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

99.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE AND LUBRICATING OIL VIA CRUDE AND ISOMERIZATION DEWAXING UNITS

      
Document Number 03164223
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into recycle for polyethylene polymerization. In one embodiment, the process comprises selecting waste plastics containing polyethylene and/or polypropylene and passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is separated into offgas, a naphtha/ diesel fraction, a heavy fraction, and char. The naphtha/ diesel fraction is passed to a crude unit distillation column in a refinery where a straight run naphtha (C5-C8) fraction or a propane/butane (C3-C4) fraction is recovered. The straight run naphtha fraction (C5-C8) or the propane/butane (C3-C4) fraction is passed to a steam cracker for ethylene production. The heavy fraction from the pyrolysis unit can also be passed to an isomerization dewaxing unit to produce a base oil.

IPC Classes  ?

  • C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
  • C08F 2/00 - Processes of polymerisation
  • C08F 10/02 - Ethene
  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

100.

CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE VIA REFINERY CRUDE UNIT

      
Document Number 03164238
Status Pending
Filing Date 2020-12-23
Open to Public Date 2021-07-01
Owner CHEVRON U.S.A. INC. (USA)
Inventor Timken, Hye-Kyung

Abstract

Provided is a continuous process for converting waste plastic into a feedstock for polyethylene polymerization. The process comprises selecting waste plastics containing polyethylene and/or polypropylene, and then passing the waste plastics through a pyrolysis reactor to thermally crack at least a portion of the polyolefin waste and produce a pyrolyzed effluent. The pyrolyzed effluent is then separated into offgas, a pyrolysis oil comprising a naphtha/diesel/heavy fraction, and char. The pyrolysis oil is passed to a crude unit in a refinery from which a naphtha fraction (C5-C8), or a propane and butane (C3-C4) fraction, is recovered. The naphtha fraction, or propane and butane (C3-C4) fraction, is then passed to a steam cracker for ethylene production.

IPC Classes  ?

  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C07C 2/06 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
  • C07C 4/04 - Thermal processes
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