KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Bataweel, Mohammed Abudullah
Baqader, Nour Othman
Ullah, Nisar
Mansha, Muhammad
Abstract
A method of controlling a permeability zone in a reservoir includes introducing a diverter agent comprising a morpholinium based zwitterionic surfactant including a sulfonate terminal moiety, an ammonium-based zwitterionic surfactant, and an activator in a wellbore. Once introduced, the diverter agent contacts a high permeability zone in the reservoir. The diverter agent heats and gels to form a gelled diverter agent in the high permeability zone, subsequently forming a zone of decreased permeability
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Harbi, Bader Ghazi
Saleh, Tawfik A.
Aljeaban, Norah A.
Abstract
A method includes preparing an alkyl-modified graphene oxide, injecting the modified graphene oxide into a well, and inhibiting acid-induced corrosion of a steel surface in the well with the modified graphene oxide. A composition includes an alkyl-modified graphene oxide having one or more alkyl functional group covalently bonded to a graphene core through an oxygen-containing linking group. A method of preparing modified graphene oxide includes mixing graphite powder with an oxidant to provide a mixture, adding the mixture to an acid solution including H2SO4, H3PO4, or a combination thereof to provide graphene oxide, and reacting the graphene oxide with an alkyl halide by nucleophilic substitution to provide the alkyl-modified graphene oxide.
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
3.
Methods and materials for wellbore fluid diversion using visco-elastic surfactants
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Bataweel, Mohammed Abudullah
Baqader, Nour Othman
Ullah, Nisar
Mansha, Muhammad
Abstract
A diverter agent includes a morpholinium based zwitterionic surfactant having a sulfonate terminal moiety; and an ammonium based zwitterionic surfactant.
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
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Nasser, Rayan M.
Alaama, Subhi A.
Rayaan, Muhammad B.
Tawabini, Bassam S.
Awadh, Tawfik A.
Abstract
An adsorption composition that includes a treatment agent including a material having an oxidized surface functionality and a carrier fluid are described. A method of preparing an adsorption composition including processing a material derived from at least one component of a date tree to provide a processed date tree material, treating the processed date tree material with a first treatment to produce a treated date tree material, reacting the treated date tree material with one or more oxidizing agents to form a treatment agent, and suspending the treatment agent in a carrier fluid is also described. Further, a method of adsorbing one or more compounds from a water-based fluid including introducing an adsorption composition to a water-based fluid containing one or more organic compounds contacting the adsorption composition with the one or more organic compounds and adsorbing the one or more organic compounds on the treatment agent is also described.
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Saleh, Tawfik A.
Alghunaimi, Fahd Ibrahim
Aljuryyed, Norah
Aldossary, Hind S.
Abstract
A dendrimeric carbon dot-polyamide membrane, a method for making the dendrimeric carbon dot-polyamide membrane, and a method for producing purified water are provided. An exemplary carbon dot-polyamide membrane includes polyamidoamine dendrimeric carbon dots and a polyamide membrane. The polyamidoamine dendrimeric dots are dispersed throughout the polyamide membrane.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Bataweel, Mohammed Abudullah
Alahmari, Manar Mohammed
Asrof, Ali Shaikh
Al-Harbi, Ahmad Bakr
Ullah, Nisar
Abstract
A composition includes a polymer having a structure as shown in Formula (I):
A composition includes a polymer having a structure as shown in Formula (I):
A composition includes a polymer having a structure as shown in Formula (I):
where x is from 20 to 70, y is from 20 to 30, z is from 1.0 to 10, and p is from 1.0 to 10. A method of making the polymer is also provided. The polymer composition may be used as a wellbore fluid. Also provided is a method of treating a hydrocarbon bearing formation. The method includes introducing the polymer-containing wellbore fluid into a high permeability zone of a hydrocarbon bearing formation such that it blocks at least a portion of the high permeability zone of the hydrocarbon bearing formation, stimulating the hydrocarbon bearing formation thereby creating pathways for hydrocarbon production, and recovering hydrocarbons.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
A multi-stage direct contact membrane distillation (MS-DCMD) system and a process for using the MS-DCMD are provide. The MS-DCMD includes a plurality of modules, wherein each module includes a feed chamber fluidically coupled to a feed line and a carrier gas line, wherein the feed line introduces a liquid feed into the feed chamber from a liquid feed tank, and wherein the carrier gas line introduces a carrier gas into the feed chamber. Each module includes a cold chamber fluidically coupled to a cold-water feed line and a cold-water return line, wherein cold water is circulated through the cold chamber. Each module further includes a membrane separating the feed chamber from the cold chamber, wherein the membrane allows transportation of vapor from the feed chamber to the cold chamber while blocking liquid from moving from the feed chamber to the cold chamber.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
8.
MULTI-STAGE PERMEATE GAP MEMBRANE DISTILLATION SYSTEM AND PROCESS
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
A method for purifying a liquid is described. A liquid feed is fed to a feed chamber. A carrier gas is fed through the liquid feed in the feed chamber to form a humidified carrier gas. A coolant is fed to a coolant chamber. The coolant chamber is separated from the feed chamber by a permeate gap chamber. The permeate gap chamber is separated from the feed chamber by a membrane that allows vapor to pass while blocking liquid flow across the membrane. The coolant chamber is separated from the permeate gap chamber by a thermally conductive plate. At least a portion of the vapor from the feed chamber that transported through the membrane is condensed by the coolant in the coolant chamber and the thermally conductive plate to form a first distillate. At least a portion of the humidified carrier gas is condensed to form a second distillate.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
9.
MULTI-STAGE SWEEPING GAS MEMBRANE DISTILLATION SYSTEM AND PROCESS
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
A multi-stage sweeping gas membrane distillation (MS-SGMD) system and a method of use are provided. The MS-SGMD includes a plurality of modules, wherein each module includes a feed chamber fluidically coupled to a feed line and a carrier gas line, wherein the feed line introduces a liquid feed into the feed chamber from a liquid feed tank, and wherein the carrier gas line introduces a carrier gas into the feed chamber. Each module includes a sweeping gas chamber fluidically coupled to a sweeping gas line and a sweeping gas return line, wherein a sweeping gas is passed through the sweeping gas chamber. Each module further includes a membrane separating the feed chamber from the sweeping gas chamber, wherein the membrane allows transportation of vapor from the feed chamber to the sweeping gas chamber while blocking liquid from moving from the feed chamber to the sweeping gas chamber.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
A method for purifying a liquid is described. A liquid feed is fed to a feed chamber. A carrier gas is fed through the liquid feed in the feed chamber to form a humidified carrier gas. A coolant is fed to a coolant chamber. The coolant chamber is separated from the feed chamber by an air gap chamber. The air gap chamber is separated from the feed chamber by a membrane that allows vapor to pass while blocking liquid flow across the membrane. The coolant chamber is separated from the air gap chamber by a thermally conductive plate. At least a portion of the vapor from the feed chamber that transported through the membrane is condensed by the coolant in the coolant chamber and the thermally conductive plate to form a first distillate. At least a portion of the humidified carrier gas is condensed to form a second distillate.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
A multistage vacuum membrane distillation (MS-VMD) system including a plurality of modules is provided along with a method for using the MS-VMD. The MS-VMD system includes a feed chamber coupled to a feed line and a carrier gas line, wherein the feed line introduces a liquid feed into the feed chamber from a liquid feed tank, and wherein the carrier gas line introduces a carrier gas into the feed chamber. The MS-VMD system also includes a vacuum chamber coupled to a vacuum line, wherein the vacuum line pulls a vacuum on the vacuum chamber, and a membrane separating the feed chamber from the vacuum chamber, wherein the membrane allows transportation of vapor from the feed chamber to the vacuum chamber while blocking liquid from moving from the feed chamber to the vacuum chamber.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Govindan, Prakash Narayan
Thiel, Gregory P.
Mcgovern, Ronan K.
Lienhard, John H.
Elsharqawy, Mostafa H.
Abstract
A method for condensing a vapor uses a multi-stage bubble-column vapor mixture condenser that includes at least a first stage, a second stage, and a third stage, each with a carrier-gas inlet and outlet as well as a condensing bath and a volume of carrier gas above the condensing bath. The carrier-gas inlet of the second and third stages is in the form of a sieve plate. The first-stage condensing bath is at a temperature of 60° C. to 90° C. Carrier gas flows at a temperature above 60° C. and up to 93° C. into and through the carrier-gas inlet of the first stage, then into and through the condensing bath in the first stage, and then into and through the volume of carrier gas above the condensing bath in the first stage. The carrier gas then similarly flows through the second- and third-stage condensing baths, each of which is at least 5° C. cooler than the temperature of the condensing bath in the preceding stage. Additional carrier gas is injected through an intermediate-exchange inlet into the volume of carrier gas above the condensing bath in at least one of the first and second stages to control the heat and mass profile of the carrier gas flowing through the stages of the multi-stage bubble-column vapor mixture condenser and to thereby maintain the temperature differentials between the condensing baths in the first, second, and third stages.
B01D 5/00 - Condensation of vapours; Recovering volatile solvents by condensation
B01F 23/231 - Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
B01F 23/232 - Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
B01D 3/18 - Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
B01D 3/00 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
B01D 3/20 - Bubble caps; Risers for vapour; Discharge pipes for liquid
C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
13.
COMPOSITONS CONTAINING ALUMINA NANOPARTICLES FOR OIL-WATER SEPARATION
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Saleh, Tawfik A.
Ahmed, Elaf A.
Al Abdulgader, Hasan
Abstract
The disclosure relates to compositions containing alumina nanoparticles. Each alumina nanoparticle is covalently bonded to polyurethane and two different functional groups. One of the functional groups contains a fluorocarbon. The other functional group is capable of undergoing protonation. The wettability of the compositions can be altered by changes in pH. The disclosure also provides methods for synthesizing the compositions and using the compositions in oil-water separation applications.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Rahman, Muhammed Kalimur
Ibrahim, Mohammed
Barry, Mohammed Salihu
Najamuddin, Syed Khaja
Al-Helal, Zakariya Saleh
Acero, Carlos
Abstract
Disclosed is a composition for a Controlled Low Strength Material (CLSM) including cementitious materials, water, and fine aggregate. The cementitious materials include powdered basaltic lava and Ordinary Portland Cement (OPC). In the composition, the basaltic lava replaces some of the ordinary Portland cement in the CLSM as compared to a conventional CLSM. The basaltic lava replaces 25% to 90% of the OPC in a conventional CLSM. The CLSM can be used as a compacted fill for structural and non-structural construction applications.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Alkhowaildi, Mustafa
Mahmoud, Mohamed Ahmed Nasr El Din
Bataweel, Mohammed Abudullah
Kalgaonkar, Rajendra Arunkumar
Abstract
A composition for a fracturing fluid may include a chelating agent, a polymeric gelling agent, and a base fluid. The base fluid in the fracturing fluid composition may be a produced fluid having a hardness content of at least 7,000 ppm. Method for treating a hydrocarbon-bearing formation may include introducing a fracturing fluid in the hydrocarbon-bearing formation. The fracturing fluid contains a chelating agent, a polymeric gelling agent, and a base fluid. The base fluid may be a produced fluid that has a hardness content of at least 7,000 ppm. The fracturing fluid may have a viscosity of at least 200 cp at 150° F., 100 1/s shear rate, and 300 psia when tested using model 5550 HPHT rheometer. After contacting the hydrocarbon-bearing formation, the viscosity of the fracturing fluid may drop near a range of 1 cP to 5 cP.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Weber, Peter
Geiser, Joseph
Solling, Theis
Binabdi, Ali A.
Abstract
Multi-dimensional Rydberg fingerprint spectroscopy can be used for chemical sensing in gaseous mixtures. A pulsed laser beam having a first wavelength can be delivered to a sample using a tunable pulsed excitation laser; and a pulsed laser beam having a second wavelength can be delivered to the sample point using a tunable pulsed transition laser. The pulsed laser beam having the first wavelength and the pulsed laser beam having the second wavelength have energy sufficient to excite an electron of a sample molecule to a Rydberg state. A level of ionization or light absorption can be detected at the sample point. The level of ionization or light absorption detected and the first and second wavelengths are used to determine the presence and identity of one or more chemicals in the sample of the gaseous mixture.
G01N 27/66 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
G01N 21/63 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
G01R 29/08 - Measuring electromagnetic field characteristics
17.
CONTROLLED REACTION RATES OF THERMOCHEMICAL FLUIDS USING EMULSIONS
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Saheed, Alade Olalekan
Mahmoud, Mohamed
Al-Shehri, Dhafer
Al-Nakhli, Ayman Raja
Abstract
Compositions containing a first reactant; an emulsion comprising a surfactant and silicon dioxide (SiO2) nanoparticles; and a carrier fluid containing a second reactant and methods of making. When the first and second reactants react, they generate heat. At a first time, the emulsion surrounds the first reactant, and the carrier fluid with the second reactant surrounds the emulsion. At a second time, the emulsion surrounds a first portion of the first reactant; and a second portion of the first reactant surrounds the emulsion.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Mankour, Youcef
Al Hamouz, Othman Charles Sadeq
Abstract
A composition and method for the removal of water from a water-containing hydrocarbon stream, and a method for the production of a metal/water-soluble polymer composite are provided. The composite includes a water-soluble polymer, such as guar gum, and a metal salt, such as aluminum nitrate or copper sulfate. The ratio of the metal salt to the water-soluble polymer is in the range from about 1:1 to about 5:1 by mass. The water-soluble polymer and the metal salt form a crosslinked material. The method for producing the metal/water-soluble polymer composite includes mixing a non-crosslinked water-soluble polymer with a metal salt and water to form a paste. The paste is then dried.
C10G 33/04 - De-watering or demulsification of hydrocarbon oils with chemical means
C10G 25/00 - Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents
B01J 20/30 - Processes for preparing, regenerating or reactivating
C08B 37/00 - Preparation of polysaccharides not provided for in groups ; Derivatives thereof
B01D 15/20 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
B01J 20/24 - Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
19.
SELF-DESTRUCTIVE BARITE FILTER CAKE IN WATER-BASED AND OIL-BASED DRILLING FLUIDS
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Nakhli, Ayman R.
Mahmoud, Mohamed Ahmed Nasr El Din
Tariq, Zeeshan
Abstract
Drilling fluid compositions may include a weighting agent, a nitrite-containing compound, and an ammonium-containing compound, where the nitrite-containing compound and the ammonium-containing compound may be encapsulated together in copolymer micro-particles forming encapsulated thermochemical compounds, and where at least one property selected from the group consisting of the density, the plastic viscosity, the yield point, the gel strength, and the pH, of the drilling fluid composition may be substantially similar to the at least one property of a comparable drilling fluid composition devoid of the encapsulated thermochemical compounds. Methods for reducing a filter cake from a wellbore surface in a subterranean formation are also provided. The methods may include introducing into the wellbore the drilling fluid compositions, allowing the drilling fluid composition to reach a temperature in the wellbore sufficient for the encapsulated thermochemical compounds to react, where the reaction of the encapsulated thermochemical compounds generates heat and nitrogen gas.
C09K 8/03 - Specific additives for general use in well-drilling compositions
C09K 8/92 - Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
C09K 8/84 - Compositions based on water or polar solvents
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Nakhli, Ayman Raja
Mahmoud, Mohamed
Tariq, Zeeshan
Saheed, Alade Olalekan
Kamal, Muhammad Shahzad
Abstract
A method, system, and drilling fluid for treating a wellbore for filter cake removal, including providing the drilling fluid having thermochemical reagents that are encapsulated and acid-generating material that is encapsulated into a wellbore in a subterranean formation to attack filter cake in the wellbore, and attacking the filter cake via the drilling fluid.
C09K 8/536 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning characterised by their form or by the form of their components, e.g. encapsulated material
C09K 8/528 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
C09K 8/03 - Specific additives for general use in well-drilling compositions
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 21/00 - Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
21.
Long-term hydraulic fracture conductivity through rock strengthening via the formation of fluorite
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Samarkin, Yevgeniy
Aljawad, Murtada Saleh
Solling, Theis
Altammar, Murtadha J.
Alruwaili, Khalid Mohammed
Abstract
A method of treating a carbonate formation includes introducing a stimulation fluid into the carbonate formation at a pressure greater than a fracture pressure of the formation and creating openings in the carbonate formation via the stimulation fluid. Then, a fluoride salt solution, optionally including a proppant, may be introduced into the carbonate formation such that it at least partially penetrates into the openings. The fluoride salt may then be reacted with a carbonate surface in the carbonate formation to form fluorite on a surface of the formation thereby increasing a hardness of the carbonate formation.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Desouky, Mahmoud H.
Aljawad, Murtada Saleh
Solling, Theis
Altammar, Murtadha J.
Alruwaili, Khalid Mohammed
Abstract
A method for stabilizing a wellbore includes introducing a hardening agent into the wellbore, mixing the hardening agent with a carrier fluid in the wellbore to produce a wellbore stabilizing fluid, and treating a wellbore wall of the wellbore by contacting the wellbore stabilizing fluid to a surface of the wellbore wall for at least 48 hours. A wellbore stabilizing fluid includes a hardening agent and a carrier fluid. The hardening agent is selected from one of 10 to 100 g/L of the calcium hydroxide nanocrystals, 5 to 99.9% by volume of tetraethyl orthosilicate (TEOS), and 10 to 50 g/L of zinc sulfate. A stabilized wellbore includes a wellbore having a wellbore wall treated with a wellbore stabilizing fluid comprising a hardening agent. The Young's modulus of the treated wellbore wall is at least 5% higher than a Young's modulus of a non-treated wellbore wall.
C09K 8/46 - Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
C09K 8/44 - Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing organic binders only
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Alali, Eyad
Bataweel, Mohammed A.
Ullah, Nisar
Mansha, Muhammad
Abstract
A method, wellbore, and pill for treating a region of a subterranean formation adjacent a wellbore zone of the wellbore, including injecting a gellable treatment composition (e.g., as the pill) through the wellbore zone into the region of the subterranean formation adjacent the wellbore zone, allowing the gellable treatment composition to form nanoparticles in-situ in the region and gel in the region via heat provided by the region to prevent or reduce flow of an unwanted fluid from the region into the wellbore zone. The gellable treatment composition may include a zwitterionic gemini surfactant (ZGS).
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Kidambi, Piran
Ibrahim, Ahmed
Laoui, Tahar
Kong, Jing
Karnik, Rohit N
Zhang, Sui
Abstract
Atomically thin layers including pores, their method of manufacture, and their use are disclosed. In some embodiments, pores may be formed in an atomically thin layer by growing the atomically thin layer on exposed portions of a substrate that includes islands comprising a material that is different than the material of the substrate. In some embodiments, pores and/or defects may be formed in an atomically thin layer by employing growth conditions that promote the formation of defects and/or pores. In certain embodiments, pores and/or defects may be etched to enlarge their size.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Taq, Ali Abdullah
Ali, Shaikh Asrof
Alrustum, Abdullah
Abstract
An acid mixture includes hydrochloric acid, a monoamine corrosion inhibitor, and at least one of a diamine corrosion inhibitor and an acid additive. A method for inhibiting corrosion in an acid treatment operation includes introducing an acid mixture comprising hydrochloric acid and a monoamine corrosion inhibitor into at least one of a subterranean formation and subterranean wellbore. The method also includes maintaining the amount of the monoamine corrosion inhibitor in the acid mixture in the subterranean formation and/or the subterranean wellbore in a range of 10 ppm to 400 ppm for the duration of the acid treatment operation. The corrosion rate of steel parts of an acidic fluid circulation system in the acid mixture may be within an acceptable corrosion rate in a temperature range of 20° C. to 135° C.
C09K 8/74 - Eroding chemicals, e.g. acids combined with additives added for specific purposes
C09K 8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
26.
SILICON COMPOSITIONS AND METHODS OF PREPARING THE SAME
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Alali, Eyad
Bataweel, Mohammed Abudullah
Ullah, Nisar
Mansha, Muhammad
Abstract
A fracturing fluid may include a first surfactant and a second surfactant. The first surfactant may have a structure represented by formula (I):
wherein m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant having a structure represented by Formula (II):
10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. Methods of treating a hydrocarbon-bearing formation include injecting the fracturing fluid in the hydrocarbon-bearing formation, the fracturing fluid being configured to transport a proppant in fractures of the hydrocarbon-bearing formation.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Bataweel, Mohammed Abudullah
Alali, Eyad
Ullah, Nisar
Mansha, Muhammad
Abstract
A wellbore fluid including a first surfactant, a second surfactant, an activator and an aqueous base fluid is provided. The first surfactant has a structure represented by Formula (I):
4 are each, independently, a sulfonate, a carboxylate, an ester or a hydroxyl group, m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant has a structure represented by Formula (III):
10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. A method of using the wellbore fluid for treating a hydrocarbon-containing formation is also provided.
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
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 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
30.
Piperazine-based viscoelastic surfactants for hydraulic fracturing applications
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Alali, Eyad
Bataweel, Mohammed Abudullah
Ullah, Nisar
Mansha, Muhammad
Abstract
A wellbore fluid including a first surfactant, a second surfactant, an activator and an aqueous base fluid is provided. The first surfactant has a structure represented by Formula (I):
4 are each, independently, a sulfonate, a carboxylate, an ester or a hydroxyl group, m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant has a structure represented by Formula (III):
10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. A method of using the wellbore fluid for treating a hydrocarbon-containing formation is also provided.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Bataweel, Mohammed Abudullah
Alali, Eyad
Ullah, Nisar
Mansha, Muhammad
Abstract
A wellbore fluid including a first surfactant, a second surfactant, an activator and an aqueous base fluid is provided. The first surfactant has a structure represented by Formula (I):
where m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant has a structure represented by Formula (III):
10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. A method for treating a hydrocarbon-containing formation with the wellbore fluid is also provided.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Saleh, Tawfik A.
Alghunaimi, Fahd Ibrahim
Aljuryyed, Norah W.
Abstract
2-n-dodecylamine)]. Trace amounts of an oxygen and nitrogen functional group may be coupled to the graphene core. Further provided is a method that may include introducing alkylamine modified graphene into a hydrocarbon-contaminated water. The method may further include separating a hydrocarbon-absorbed alkylamine modified graphene from the recovered water. Further provided is a system that may include a holding tank, a pump, a membrane housing, and a collection tank. The membrane housing may include membranes and a filtration media.
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Obot, Ime Bassey
Quraishi, Mumtaz A.
Sorour, Ahmad A.
Chen, Tao
Wang, Qiwei
Bataweel, Mohammed A.
Aljeaban, Norah Abdullah
Abstract
A composition for inhibiting corrosion in hydrocarbon wells includes a pyranopyrazole derivative. The pyranopyrazole derivative includes a pyrazole moiety, a dihydropyran moiety, and a phenyl moiety. The dihydropyran moiety is bound to the pyrazole moiety. The phenyl moiety is bound to the dihydropyran moiety. The composition can be flowed into a wellbore formed in a subterranean formation, thereby inhibiting corrosion in the wellbore.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Obot, Ime Bassey
Quraishi, Mumtaz A.
Sorour, Ahmad A.
Chen, Tao
Wang, Qiwei
Bataweel, Mohammed A.
Al-Harbi, Bader Ghazi
Abstract
A composition for inhibiting corrosion in gas wells includes a pyrazolopyridine derivative. The pyrazolopyridine derivative includes a pyridyl moiety, a first pyrazole moiety, a second pyrazole moiety, and a phenyl moiety. The first pyrazole moiety is bound to the pyridyl moiety. The second pyrazole moiety is bound to the pyridyl moiety. The phenyl moiety is bound to the pyridyl moiety. The composition can be flowed into a wellbore formed in a subterranean formation, thereby inhibiting corrosion in the wellbore.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Hemyari, Emad Abdo Mohammed
Alshuhail, Abdulrahman
Alzaher, Hussain
Al-Shuhail, Abdullatif
Abstract
A system for a first digitally controlled grounded inductor simulation circuit may include an OP-AMP, a digitally controlled current amplifier (DCCA), a voltage buffer, two resistors, and a capacitor. The first digitally controlled grounded inductor simulation circuit allows adjustment of an equivalent inductance value (CR1R2/A) through programming a digitally controlled current gain (A) of the DCCA. A system for a second digitally controlled grounded inductor simulation circuit includes an OP-AMP, a digitally controlled current amplifier (DCCA), a dual output current follower (CF), an active current division network (CDN), two resistors, and a capacitor. The second digitally controlled grounded inductor simulation circuit allows adjustment of an equivalent inductance value (CR1R2/αA) via programming the active CDN and the DCCA.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Acero, Carlos
Rahman, Muhammed Kalimur
Al-Helal, Zakariya Saleh
Ibrahim, Mohammed
Alhems, Luai
Barry, Mohammed Salihu
Abstract
Compositions and methods of forming compositions for a controlled low strength material (CLSM) comprising heavy oil fuel ash (HOFA) and recycled concrete powder (RCP) waste with natural and recycled aggregates and water are provided. In some embodiments, small quantities of Portland cement are also utilized. The recycled concrete powder contains primarily calcite and quartz. The CLSM can be used as a flowable compacted fill in structural and non-structural construction applications.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Helal, Zakariya Saleh
Rahman, Muhammad Kalimur
Acero, Carlos Ernesto
Ibrahim, Mohammed
Alhems, Luai M.
Abstract
A controlled low strength material has constituents that include a cement, an aggregate, and a water. The aggregate includes concrete demolition waste. The controlled low strength material has a compressive strength that does not exceed 8.3 MPa, measured at 28 days. The controlled low strength material can alternately include a heavy oil fuel ash and the controlled low strength material can have a compressive strength that does not exceed 2.10 MPa, measured at 28 days.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Abduljabbar, Ahmad Mohammad
Elkatatny, Salaheldin M.
Al-Yami, Abdullah S.
Abstract
A method of automatic optimization of ROP. The method obtains a plurality of drilling surface parameters for a field of interest, and determines an UCS data and a MSE data for a targeted formation based on well logs. The method further trains a ML model using the drilling surface parameters as inputs, and outputs a plurality of weights for drilling parameters in a ROP equation and in a Teale's MSE equation for the field of interest. The method further combines the ML ROP equation with the Teale's MSE equation to determine a plurality of optimum drilling parameters by simultaneously solving the set of ML ROP equation and the Teale's MSE equation. Furthermore, the method generates a work order to adjust the drilling parameters and cause display of the work order and the determined optimum drilling parameters in a user interface of a client device.
E21B 44/00 - Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Shafei, Emad
Muraza, Oki
Jamil, Anas Karrar
Choi, Ki-Hyouk
Punetha, Ashok K.
Yamani, Zain Hassan
Abstract
According to one or more embodiments, non-agglomerated, nano-sized ZSM-22 zeolites may be synthesized by methods comprising operating a mechanical rotation drum unit at a first temperature of from 40° C. to 60° C. and a first speed of from 200 rpm to 1000 rpm for a first time period of from 1.3 hours to 2.7 hours; operating the mechanical rotation drum unit at a second speed of from 30 rpm to 90 rpm for a second time period of from 0.05 hours to 0.4 hours; heating the mechanical rotation drum unit at a ramping temperature of from 8° C./minute to 12° C./minute to a second temperature of from 115° C. to 185° C. at the second speed; operating the mechanical rotation drum unit at the second temperature and the second speed for a third time period of from 30 hours to 90 hours; and cooling the mechanical rotation drum unit at a fourth speed of 0 rpm.
C01B 39/02 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
C10G 11/05 - Crystalline alumino-silicates, e.g. molecular sieves
C01B 39/48 - Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
C01B 39/46 - Other types characterised by their X-ray diffraction pattern and their defined composition
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Malki, Mohammed A.
Abughaban, Mahmoud F.
Al-Rubaii, Mohammed Murif
Al-Yami, Abdullah S.
Elkatatny, Salaheldin M.
Abstract
A method may include obtaining, in real-time, well data regarding a wellbore and drilling fluid data regarding drilling fluid circulating in the wellbore. The method may further include determining, based on the drilling fluid data, a plastic viscosity (PV) value and a yield point (YP) value regarding the drilling fluid. The method may further include determining, based on the well data and the drilling fluid data, an equivalent circulating density (ECD) value of an annulus of the wellbore. The method may further include determining a hole cleaning efficiency (HCE) value based on a hole cleaning model, the PV value, the YP value, and the ECD value. The method may further include determining an adjusted rate of penetration (ROP) value for a drilling operation in the wellbore based on the HCE value and a current ROP value. The method may further include transmitting a command to a drilling system that produces the adjusted ROP value in the drilling operation.
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
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
E21B 37/00 - Methods or apparatus for cleaning boreholes or wells
E21B 21/08 - Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Alshuhail, Abdulrahman
Alzaher, Hussain
Hussein, Alaa El-Din
Abstract
A digitally controlled grounded capacitor multiplier includes: a single capacitor directly connected at one end to an input voltage and at another end to a negative input of an operational amplifier; the operational amplifier including a negative feedback loop; and a digitally controlled current amplifier (DCCA) connected to an output of the operational amplifier. The DCCA digitally controls the digitally controlled grounded capacitor multiplier. The digitally controlled grounded capacitor multiplier comprises only two active devices consisting of the operational amplifier and the DCCA.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Rowaili, Fayez Nasir
Khaled, Mazen
Jamal, Aqil
Onaizi, Sagheer A.
Zahid, Umer
Abstract
A method and an electrocatalytic electrode for electrochemically reducing carbon dioxide to methanol are provided. An exemplary electrocatalytic electrode includes copper (I) oxide crystals electrodeposited over an atomically smooth copper electrode.
C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
C25B 11/075 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound
C25D 3/38 - Electroplating; Baths therefor from solutions of copper
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Rowaili, Fayez Nasir
Khaled, Mazen
Jamal, Aqil
Onaizi, Sagheer A.
Zahid, Umer
Abstract
A method for forming an atomically smooth surface on a copper electrode through electropolishing and the atomically smooth surface are provided. An exemplary method for forming an atomically smooth surface by electropolishing includes placing a copper foil in an electrolyte solution including ethylene glycol and phosphoric acid. The copper foil is coupled to a current source. Current is applied to the copper foil to electropolish the copper foil. The electropolishing is stopped when the electropolishing is completed.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Alshuhail, Abdulrahman
Alzaher, Hussain
Hussein, Alaa El-Din
Abstract
A current-mode Schmitt Trigger includes a plurality of current output stages connected to a common supply voltage that powers the current-mode Schmitt Trigger, a main input on one of the current output stages that receives an input current, and a non-inverting output on a different one of the current output stages that is shorted to the main input to establish a positive closed-loop feedback and supplies a non-inverting output current as the input current. The current-mode Schmitt Trigger includes only active components.
H03K 3/00 - Circuits for generating electric pulses; Monostable, bistable or multistable circuits
H03K 3/2897 - Bistables with hysteresis, e.g. Schmitt trigger with an input circuit of differential configuration
G05F 1/56 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Alshuhail, Abdulrahman
Alzaher, Hussain
Abstract
A square wave oscillator includes a Schmitt Trigger with a first output that outputs a first output current, a capacitor connected to the first output of the Schmitt Trigger, and a resistor that connects the capacitor to an input of the Schmitt Trigger to form a closed-loop negative feedback. The closed-loop negative feedback sustains an oscillation of the square wave oscillator and causes a frequency and an amplitude of the oscillation to be independent of a supply voltage of the Schmitt Trigger.
H03B 5/04 - Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
H03B 5/24 - Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
H03K 3/011 - Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Baig, Umair
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.
B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Baig, Umair
Baroud, Turki Nabieh
Al Abdulgader, Hasan
Abstract
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Lawal, Dahiru Umar
Azeem, Mohammed Abdul
Baroud, Turki Nabieh
Abdulgader, Hasan Al
Abstract
A membrane distillation apparatus includes a housing and an impeller. The housing includes a hot medium compartment, a cold medium compartment, a permeate gap compartment, a membrane, and a thermally conductive plate. The hot medium compartment includes a hot medium inlet configured to receive a hot medium stream including water. The cold medium compartment includes a cold medium inlet configured to receive a cold medium stream. The membrane defines pores that are sized to allow water vapor originating from the hot medium stream to pass from the hot medium compartment through the membrane to the permeate gap compartment. The thermally conductive plate and the cold medium stream are cooperatively configured to condense the water vapor from the hot medium stream. The permeate gap compartment includes a permeate outlet configured to discharge the condensed water vapor. The impeller is disposed within the permeate gap compartment.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Sarkhi, Abdelsalam Mohammad
Salim, Omer Abdelazim
Noui-Mehidi, Mohamed Nabil
Rizq, Ahmad
Abstract
Systems for generating stable emulsions may employ one or more liquid-liquid ejectors for mixing the oil with water through motive and suction streams to produce the emulsion as a discharge stream. One or more motive tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more motive tanks may supply the one or more liquid-liquid ejectors with a motive fluid. One or more suction tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more suction tanks may supply the one or more liquid-liquid ejectors with a suction fluid. One or more discharge tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more discharge tanks may collect an emulsion from the one or more liquid-liquid ejectors. Additionally, a flow line coupled to the one or more discharge tanks may feed the emulsions into a formation.
C09K 8/58 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
50.
SYNTHESIS OF BIARYL KETONES AND BIARYL DIKETONES VIA CARBONYLATIVE SUZUKI-MIYAURA COUPLING REACTIONS CATALYZED BY BRIDGED BIS(N-HETEROCYCLIC CARBENE)PALLADIUM(II) CATALYSTS
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
El Ali, Bassam
Mansour, Waseem
Fettouhi, Mohammed
Abstract
This disclosure relates to bridged bis(N-heterocyclic carbene)palladium(II) complexes, methods of preparing the complexes, and methods of using the complexes in Suzuki-Miyaura coupling reactions.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Saudi Arabian Oil Company (Saudi Arabia)
Inventor
El Ali, Bassam
Mansour, Waseem
Fettouhi, Mohammed
Abstract
This disclosure relates to N-substituted Pd(II)-N-heterocyclic carbene-pyridine complexes, methods of preparing the complexes, and methods of using the complexes in Sonogashira coupling reactions.
C07C 45/49 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
C07C 201/12 - Preparation of nitro compounds by reactions not involving the formation of nitro groups
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Kwak, Hyung Tae
Elsayed, Mahmoud
El-Husseiny, Ammar
Mahmoud, Mohamed
Abstract
A fracture geometry mapping method includes determining a value of a diffusive tortuosity in a first direction in a first rock sample from a subterranean formation with one or more hardware processors; determining a value of a diffusive tortuosity in a second direction in the first rock sample from the subterranean formation with the one or more hardware processors, the second direction orthogonal to the first direction in the first rock sample; determining a value of a diffusive tortuosity in third direction in the first rock sample from the subterranean formation with the one or more hardware processors, the third direction orthogonal to both the first direction and the second direction in the first rock sample; comparing the values of the diffusive tortuosities in the in the first direction, the second direction, and the third direction; and based on the comparison, generating a first fracture network map of the subterranean formation, the first fracture network map including a first plurality of anisotropic fracture pathways.
E21B 49/02 - 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 by mechanically taking samples of the soil
G01V 3/32 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance
E21B 47/002 - Survey of boreholes or wells by visual inspection
E21B 47/26 - Storing data down-hole, e.g. in a memory or on a record carrier
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
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Badr, Hassan Mohamed
Xiao, Jinjiang
Ejim, Chidirim Enoch
Abstract
A thrust balancing apparatus for a pump includes a housing, a balancing chamber, a connecting tube, a balancing disk, a bushing, a washer, and a pair of upthrust washers. The balancing chamber defines an upper cavity and a lower cavity. The connecting tube is configured to establish fluid communication between the balancing chamber and an exterior of the housing. A first portion of the balancing disk is disposed within the upper cavity. A second portion of the balancing disk passes through the lower cavity. A third portion of the balancing disk is external to the balancing chamber. The washer is disposed between the balancing disk and the bushing. The pair of upthrust washers are disposed between the balancing disk and the balancing chamber.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
El Ali, Bassam
Mansour, Waseem
Fettouhi, Mohammed
Abstract
Palladium catalysts, methods of synthesizing palladium-carbene catalysts, and methods of producing chromones and aurones using palladium-N-heterocyclic carbene (NHC) catalysts are provided. In some implementations, the palladium catalysts include a bridged palladium catalyst with distorted square planar geometry around the center palladium atom. The catalysts can be used in cyclocarbonylative Sonogashira cross-coupling reactions to produce chromones and aurones at a high yield. The selectivity of the catalysts can be adjusted by adjusting reaction conditions.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Alnoaimi, Khalid
Baqader, Nour
Ullah, Nisar
Mansha, Muhammed
Abstract
A wellbore fluid may include a gemini surfactant, a zwitterionic surfactant, an activator, and an aqueous base fluid. The gemini surfactant may have a structure represented by formula (I):
10 hydrocarbon group, m and o are each, independently, an integer ranging from 1 to 4, and n is an integer ranging from 8 to 12.
C07C 33/04 - Acyclic alcohols with carbon-to-carbon triple bonds
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 8/74 - Eroding chemicals, e.g. acids combined with additives added for specific purposes
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
C09K 8/60 - Compositions for stimulating production by acting on the underground formation
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
56.
Methods and compositions using a combination of zwitterionic surfactants and gemini surfactants as diversion agents
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Kalgaonkar, Rajendra Arunkumar
Alnoaimi, Khalid
Baqader, Nour
Ullah, Nisar
Mansha, Muhammed
Abstract
A wellbore fluid may include a gemini surfactant, a zwitterionic surfactant; an activator, and an aqueous base fluid. The gemini surfactant may have a structure represented by formula (I):
10 hydrocarbon group, m is an integer ranging from 1 to 4, n is an integer ranging from 8 to 12, and X is a monovalent anion.
C09K 8/60 - Compositions for stimulating production by acting on the underground formation
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C09K 8/74 - Eroding chemicals, e.g. acids combined with additives added for specific purposes
57.
Synthesis of biaryl ketones and biaryl diketones via carbonylative Suzuki-Miyaura coupling reactions catalyzed by bridged bis(N-heterocyclic carbene)palladium(II) catalysts
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
El Ali, Bassam
Mansour, Waseem
Fettouhi, Mohammed
Abstract
This disclosure relates to bridged bis(N-heterocyclic carbene)palladium(II) complexes, methods of preparing the complexes, and methods of using the complexes in Suzuki-Miyaura coupling reactions.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Nakhli, Ayman R.
Bataweel, Mohammed A.
Mahmoud, Mohamed Ahmed Nasr El Din
Abdulraheem, Abdulazeez
Tariq, Zeeshan
Abstract
A method for stimulating a well includes mixing at least one thermochemical with fracturing fluid to create a fracturing fluid mixture, injecting the fracturing fluid mixture into the well, creating an exothermic reaction with the fracturing fluid mixture, generating a pressure pulse in the well from the exothermic reaction, and fracturing a formation around the well with pressure from the pressure pulse and a hydraulic pressure source.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Al-Nakhli, Ayman R.
Mahmoud, Mohamed Ahmed Nasr El Din
Abdulraheem, Abdulazeez
Tariq, Zeeshan
Abstract
A method for the simultaneous removal of filter cake from a wellbore and fracturing of the wellbore using a mixture including a chelating agent and a thermochemical. The method including feeding a mixture into the wellbore, contacting the filter cake with the mixture, reacting the chelating agent and the thermochemical to produce heat and pressure, removing the filter cake from the wellbore, and creating microfractures in the wellbore using pressure produced from the reacting.
C09K 8/536 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning characterised by their form or by the form of their components, e.g. encapsulated material
C09K 8/66 - Compositions based on water or polar solvents
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
E21B 37/00 - Methods or apparatus for cleaning boreholes or wells
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Saleh, Tawfik Abdo
Al-Arfaj, Mohammed Khalid
Rana, Azeem A.
Abstract
A water-based wellbore fluid may include an aqueous base fluid and a modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via a linking group. One of the one or more substituents may be a hydrocarbon group that has a number of carbon atoms in the range from 8 to 14.
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Badr, Hassan Mohamed
Ejim, Chidirim Enoch
Xiao, Jinjiang
Alsarkhi, Abdelsalam Mohammad
Kamal, Muhammad Mustafa
Abstract
A pump assembly includes multiple impeller stages, each impeller stage including at least one impeller vane. At least one impeller stage includes at least one impeller vane with at least one perforation disposed therethrough.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Ahmed, Shakeel
Harale, Aadesh
Albuali, Mohammed
Lee, Kunho
Katikaneni, Sai P.
Draze, Mohammed
Abstract
A method for producing a hydrogen rich gas from a heavy hydrocarbon feed comprising the steps of introducing the hydrocarbon feed to a reactor, the reactor comprising a low temperature reforming catalyst, the low temperature reforming catalyst comprising an amount of praseodymium, 12 wt % nickel, and an aluminum oxide component, contacting the low temperature reforming catalyst with the hydrocarbon feed in the reactor, wherein the reactor operates at a temperature between 500° C. and 600° C., wherein the reactor operates at a pressure between 3 bar and 40 bar, and producing the hydrogen rich gas over the low temperature reforming catalyst, wherein the hydrogen rich gas comprises hydrogen.
B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
63.
Catalyst and process for thermo-neutral reforming of petroleum-based liquid hydrocarbons
King Fahd University of Petroleum & Minerals (Saudi Arabia)
PETROBRAS (Brazil)
Inventor
Pontes Bittencourt, Roberto Carlos
Cardoso, Mauri Jose Baldini
De Souza, Vivian Passos
Ahmed, Shakeel
Harale, Aadesh
Katikaneni, Sai P.
Abstract
A process for producing a hydrogen-rich gas stream from a liquid hydrocarbon stream, the process comprising the steps of introducing the liquid hydrocarbon stream to a dual catalytic zone, the liquid hydrocarbon stream comprises liquid hydrocarbons selected from the group consisting of liquid petroleum gas (LPG), light naphtha, heavy naphtha, gasoline, kerosene, diesel, and combinations of the same, the dual catalytic zone comprises: a combustion zone comprising a seven component catalyst, and a steam reforming zone, the steam reforming zone comprising a steam reforming catalyst; introducing steam to the dual catalytic zone, introducing an oxygen-rich gas to the dual catalytic zone; contacting the liquid hydrocarbon stream, steam, and oxygen-rich gas with the seven component catalyst to produce a combustion zone fluid; and contacting the combustion zone fluid with the steam reforming catalyst to produce the hydrogen-rich gas stream, wherein the hydrogen-rich gas stream comprises hydrogen.
C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
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
C01B 3/38 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
64.
Catalyst compositions for aromatizing hydrocarbons and processes for producing aromatic compounds using the catalyst compositions
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Saudi Arabian Oil Company (Saudi Arabia)
Inventor
Arudra, Palani
Aitani, Abdullah M.
Jin, Yaming
Koseoglu, Omer Refa
Akhtar, Muhammad Naseem
Abstract
Processes for aromatizing hydrocarbons include contacting the hydrocarbons with a catalyst composition comprising a metal oxide dispersed on a surface of a zeolite support, where contacting the hydrocarbons with the catalyst composition causes at least a portion of the hydrocarbons to undergo a chemical reaction to form aromatic hydrocarbons. The catalyst composition is prepared by a synthesis process that includes combining the zeolite support with a hydrocarbon solvent to form a zeolite mixture, where the hydrocarbon solvent pre-wets the pores of the zeolite support. The synthesis process further includes combining a polar solvent comprising a metal salt with the zeolite mixture to form an impregnated zeolite support. The synthesis process also includes drying the impregnated zeolite support and calcining the impregnated zeolite support to convert the metal salt to the metal oxide, thereby forming the catalyst composition.
C07C 2/76 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
B01J 23/08 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of gallium, indium or thallium
B01J 37/02 - Impregnation, coating or precipitation
B01J 29/40 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
B01J 35/10 - Solids characterised by their surface properties or porosity
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Karnik, Rohit N.
Bose, Suman
Boutilier, Michael S. H.
Hadjiconstantinou, Nicolas G.
Jain, Tarun Kumar
O'Hern, Sean C.
Laoui, Tahar
Atieh, Muataz A.
Jang, Doojoon
Abstract
Two-dimensional material based filters, their method of manufacture, and their use are disclosed. In one embodiment, a membrane may include an active layer including a plurality of defects and a deposited material associated with the plurality of defects may reduce flow therethrough. Additionally, a majority of the active layer may be free from the material. In another embodiment, a membrane may include a porous substrate and an atomic layer deposited material disposed on a surface of the porous substrate. The atomic layer deposited material may be less hydrophilic than the porous substrate and an atomically thin active layer may be disposed on the atomic layer deposited material.
B01D 65/00 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
B01D 65/10 - Testing of membranes or membrane apparatus; Detecting or repairing leaks
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Elanany, Mohamed
Majnouni, Khalid
Alessa, Rashed
Al-Malki, Abdullah
Al-Ajwad, Hassan
Al-Daous, Mohammed
Ali, Shaikh Asrof
Abstract
Copolymers having General Formula (I):
1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Elanany, Mohamed
Al-Malki, Abdullah
Al-Eid, Manal
Al-Daous, Mohammed
Ali, Shaikh Asrof
Majnouni, Khalid
Abstract
Copolymers having General Formula (I):
2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
C10L 3/10 - Working-up natural gas or synthetic natural gas
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Kidambi, Piran
Ibrahim, Ahmed
Laoui, Tahar
Kong, Jing
Karnik, Rohit N.
Zhang, Sui
Abstract
Atomically thin layers including pores, their method of manufacture, and their use are disclosed. In some embodiments, pores may be formed in an atomically thin layer by growing the atomically thin layer on exposed portions of a substrate that includes islands comprising a material that is different than the material of the substrate. In some embodiments, pores and/or defects may be formed in an atomically thin layer by employing growth conditions that promote the formation of defects and/or pores. In certain embodiments, pores and/or defects may be etched to enlarge their size.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Govindan, Prakash Narayan
Elsharqawy, Mostafa H.
Lam, Steven
St. John, Maximus G.
Lienhard, John H.
Abstract
A feed liquid flows into a second-stage humidifier chamber to form a second-stage humidifier bath. A first remnant of the feed liquid from the second-stage humidifier chamber then flows into a first-stage humidifier chamber to form a first-stage humidifier bath having a temperature lower than that of the second-stage bath. A second remnant of the feed liquid is then removed from the first-stage humidifier. Meanwhile, a carrier gas is injected into and bubbled through the first-stage humidifier bath, collecting a vaporizable component in vapor form from the first remnant of the feed liquid to partially humidify the carrier gas. The partially humidified carrier gas is then bubbled through the second-stage humidifier bath, where the carrier gas collects more of the vaporizable component in vapor form from the feed liquid to further humidify the carrier gas before the humidified carrier gas is removed from the second-stage humidifier chamber.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Khattaf, Sulaiman Saleh
Palani, Arudra
Bhuiyan, Tazul Islam
Shaikh, Sohel
Akhtar, Mohammad Naseem
Aitani, Abdullah M.
Al-Yami, Mohammed A.
Abstract
3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.
B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
C07C 6/04 - Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond
B01J 29/40 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
C01B 37/02 - Crystalline silica-polymorphs, e.g. silicalites
B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
B01J 29/03 - Catalysts comprising molecular sieves not having base-exchange properties
B01J 29/035 - Crystalline silica polymorphs, e.g. silicalites
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
B01J 37/02 - Impregnation, coating or precipitation
C07C 6/06 - Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond at a cyclic carbon-to-carbon double bond
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
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Karnik, Rohit N.
Bose, Suman
Boutilier, Michael S. H.
Hadjiconstantinou, Nicolas G.
Jain, Tarun Kumar
O'Hern, Sean C.
Laoui, Tahar
Atieh, Muataz A.
Jang, Doojoon
Abstract
Two-dimensional material based filters, their method of manufacture, and their use are disclosed. In one embodiment, a membrane may include an active layer including a plurality of defects and a deposited material associated with the plurality of defects may reduce flow therethrough. Additionally, a majority of the active layer may be free from the material. In another embodiment, a membrane may include a porous substrate and an atomic layer deposited material disposed on a surface of the porous substrate. The atomic layer deposited material may be less hydrophilic than the porous substrate and an atomically thin active layer may be disposed on the atomic layer deposited material.
B01D 65/00 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
B01D 65/10 - Testing of membranes or membrane apparatus; Detecting or repairing leaks
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Khattaf, Sulaiman Saleh
Palani, Arudra
Bhuiyan, Tazul Islam
Shaikh, Sohel
Akhtar, Mohammad Naseem
Aitani, Abdullah M.
Al-Yami, Mohammed A.
Abstract
3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.
B01J 35/10 - Solids characterised by their surface properties or porosity
B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
B01J 29/40 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
C01B 37/02 - Crystalline silica-polymorphs, e.g. silicalites
B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
B01J 29/03 - Catalysts comprising molecular sieves not having base-exchange properties
B01J 29/035 - Crystalline silica polymorphs, e.g. silicalites
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
B01J 37/02 - Impregnation, coating or precipitation
C07C 6/06 - Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond at a cyclic carbon-to-carbon double bond
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
73.
Catalyst composition for making ultra high molecular weight poly (alpha-olefin) drag reducing agents
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Elanany, Mohamed
Al-Malki, Abdullah
Al-Eid, Manal
Al-Daous, Mohammed
Ali, Shaikh Asrof
Majnouni, Khalid
Abstract
Copolymers having General Formula (I):
2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
C10L 3/10 - Working-up natural gas or synthetic natural gas
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Elanany, Mohamed
Majnouni, Khalid
Alessa, Rashed
Al-Malki, Abdullah
Al-Daous, Mohammed
Al-Ajwad, Hassan
Ali, Shaikh Asrof
Adel, Shadi
Rithauddeen, Megat
Abstract
Copolymers having General Formula (I):
7 are each independently chosen from methyl or hydrogen, x is chosen from 0 to 0.8, y is chosen from 0 to 0.8, when y is 0, x is greater than 0, and when x is 0, y is greater than 0, and z is chosen from 0.1 to 0.9. The summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates, including contacting the fluid with at least one copolymer of General Formula (I).
C07D 403/00 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group
C08L 33/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
77.
Catalyst composition and a process for making ultra high molecular weight poly (alpha-olefin) drag reducing agents
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Al-Khattaf, Sulaiman Saleh
Palani, Arudra
Bhuiyan, Tazul Islam
Shaikh, Sohel
Akhtar, Mohammad Naseem
Aitani, Abdullah M.
Al-Yami, Mohammed A.
Abstract
3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.
B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
C07C 6/06 - Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond at a cyclic carbon-to-carbon double bond
B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
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
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Abudawoud, Raed
Al-Khattaf, Sulaiman Saleh
Palani, Arudra
Aitani, Abdullah M.
Akhtar, Mohammad Naseem
Bhuiyan, Tazul Islam
Al-Yami, Mohammed A.
Abstract
3/g. The process further involves producing a product stream comprising propylene by contacting a feed stream comprising butene with the metathesis catalyst.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Karnik, Rohit N.
Bose, Suman
Boutilier, Michael S. H.
Hadjiconstantinou, Nicolas G.
Jain, Tarun Kumar
O'Hern, Sean C.
Laoui, Tahar
Atieh, Muataz A.
Jang, Doojoon
Abstract
Two-dimensional material based filters, their method of manufacture, and their use are disclosed. In one embodiment, a membrane may include an active layer including a plurality of defects and a deposited material associated with the plurality of defects may reduce flow therethrough. Additionally, a majority of the active layer may be free from the material. In another embodiment, a membrane may include a porous substrate and an atomic layer deposited material disposed on a surface of the porous substrate. The atomic layer deposited material may be less hydrophilic than the porous substrate and an atomically thin active layer may be disposed on the atomic layer deposited material.
B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor
B01D 29/46 - Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
B01D 39/00 - Filtering material for liquid or gaseous fluids
B01D 39/14 - Other self-supporting filtering material
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
B05D 5/12 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
B01D 65/00 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
B01D 65/10 - Testing of membranes or membrane apparatus; Detecting or repairing leaks
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
81.
Clay additive for reduction of sulfur in catalytically cracked gasoline
King Fahd University of Pertroleum & Minerals (Saudi Arabia)
Inventor
Bourane, Abdennour
Koseoglu, Omer Refa
Al-Ghrami, Musaed Salem
Dean, Christopher F.
Siddiqui, Mohammed Abdul Bari
Ahmed, Shakeel
Abstract
Compositions and processes for their use as additives for reducing the sulfur content of FCC gasoline employ a support material montmorillonite clay material. A fluid catalytic cracking (FCC) mixture, therefore, is provided comprising an FCC catalyst and separate particles of sulfur reduction additive consisting of porous montmorillonite clay.
B01J 29/08 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 23/06 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of zinc, cadmium or mercury
B01J 23/08 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of gallium, indium or thallium
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 37/02 - Impregnation, coating or precipitation
C10G 11/05 - Crystalline alumino-silicates, e.g. molecular sieves
C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
B01J 21/06 - Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
King Fahd University of Petroleum Minerals (Saudi Arabia)
Inventor
Govindan, Prakash Narayan
Thiel, Gregory P.
Mcgovern, Ronan K.
Lienhard, John H.
Das, Sarit K.
Chehayeb, Karim M.
Zubair, Syed M.
Antar, Mohammed A.
Abstract
A carrier-gas mixture is directed through a fluid flow path in a combined heat and mass transfer device, which can be operated at sub-atmospheric pressure. Heat and mass are transferred from or to the carrier-gas mixture via interaction with a liquid composition that includes a vaporizable component in a liquid state to substantially change the content of the vaporizable component in the carrier-gas mixture via evaporation or condensation. The mass flow rate of the carrier-gas mixture is varied by extracting or injecting the carrier-gas mixture from at least one intermediate location in the fluid flow path, and/or the mass flow rate of the liquid composition is varied by extracting or injecting the liquid composition from at least one intermediate location in the fluid flow path; and the flow of the carrier-gas mixture or the liquid composition is regulated to reduce the average local enthalpy pinch in the device.
B01D 1/14 - Evaporating with heated gases or vapours in contact with the liquid
B01D 5/00 - Condensation of vapours; Recovering volatile solvents by condensation
C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
C02F 1/10 - Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Govindan, Prakash Narayan
Thiel, Gregory P.
Mcgovern, Ronan K.
Lienhard, John H.
Elsharqawy, Mostafa Hamed
Abstract
In a bubble-column vapor mixture condenser, a fluid source supplies a carrier-gas stream including a condensable fluid in vapor phase. The condensable fluid in liquid form is contained as a bath in a chamber in each stage of the condenser, and the carrier gas is bubbled through the bath to condense the condensable fluid into the bath. Energy from condensation is recovered to a coolant in a conduit that passes through the liquid in the stages of the condenser. The bubble-column vapor mixture condenser can be used, e.g., in a humidification-dehumidification system for purifying a liquid, such as water.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Karnik, Rohit N.
O'Hern, Sean C.
Boutilier, Michael S. H.
Stewart, Cameron A.
Au, Harold S.
Hadjiconstantinou, Nicolas G.
Laoui, Tahar
Atieh, Muataz A.
Abstract
Two-dimensional material based filters, their method of manufacture, and their use are disclosed. The filters may include at least one active layer disposed on a porous substrate. The at least one active layer may include intrinsic and/or intentional formed pores. In some embodiments, the flow resistance of the porous substrate may be selected to limit flow through defects and intrinsic pores in the at least one active layer.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Ben-Mansour, Rached
Chatzigeorgiou, Dimitrios
Khalifa, Atia
Choi, Changrak
Youcef-Toumi, Kamal
Abstract
Leak detection system. A rigid body is resiliently supported within an outer cage. Structure is provided for detecting displacement of the rigid body with respect to the outer cage, the displacement indicating a leak when the rigid body is moved by a suction force generated by a local pressure gradient resulting from a leak within a pipe network. The invention allows a leak to be determined around the circumference of a pipe.
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
86.
High performance and grid computing with quality of service control
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Alshaikh, Raed Abdullah
Sait, Sadiq
Abstract
High performance computing (HPC) and grid computing processing for seismic and reservoir simulation are performed without impacting or losing processing time in case of failures. A Data Distribution Service (DDS) standard is implemented in High Performance Computing (HPC) and grid computing platforms, to avoid the shortcomings of current Message Passing Interface (MPI) communication between computing modules, and provide quality of service (QoS) for such applications. QoS properties of the processing can be controlled.
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06G 7/48 - Analogue computers for specific processes, systems, or devices, e.g. simulators
G06F 9/50 - Allocation of resources, e.g. of the central processing unit [CPU]
G01V 1/28 - Processing seismic data, e.g. analysis, for interpretation, for correction
H04L 29/08 - Transmission control procedure, e.g. data link level control procedure
KING FAHD UNIVERSITY OF PETROLEUM & MINERALS (Saudi Arabia)
Inventor
Bourane, Abdennour
Koseoglu, Omer Refa
Al-Ghrami, Musaed Salem
Dean, Christopher F.
Siddiqui, Mohammed Abdul Bari
Ahmed, Shakeel
Abstract
Compositions and processed for their use as additives for reducing the sulfur content of FCC gasoline employ a support material having deposited on its surface (a) a first metal component from Group IIB of the Periodic Table and (b) a second metal component from Group III or Group IV of the Periodic Table. The additive composition is preferably made of a montmorillonite clay support containing zinc and gallium, zinc and zirconium. Alternatively, the additive composition includes support material having deposited on its surface a metal component from Group III of the Periodic Table, preferably a montmorillonite clay support containing gallium. The clay is impregnated with the metal(s) using the known incipient wetness method and the dried powdered additive composition is preferably formed into shapes suitable for use in the FCC unit.
B01J 23/06 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of zinc, cadmium or mercury
B01J 23/08 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of gallium, indium or thallium
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
C10G 11/02 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
C10G 11/18 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised bed" technique
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Yilbas, Bekir Sami
Al-Zaharnah, Iyad
Abstract
The method of modeling flexural characteristics of a bar subjected to local heating utilizes thermal diffusion equations and the finite element method to model vibrational frequency and amplitude variation in a substrate material subjected to local heating. Both heated and non-heated cases are considered.
King Fahd University of Petroleum & Minerals (Saudi Arabia)
Inventor
Bourane, Abdennour
Koseoglu, Omer Refa
Al-Ghrami, Musaed Salem
Dean, Christopher F.
Siddiqui, Mohammed Abdul Bari
Ahmed, Shakeel
Abstract
Compositions and processed for their use as additives for reducing the sulfur content of FCC gasoline employ a support material having deposited on its surface (a) a first metal component from Group IIB of the Periodic Table and (b) a second metal component from Group III or Group IV of the Periodic Table. The additive composition is preferably made of a montmorillonite clay support containing zinc and gallium, zinc and zirconium. Alternatively, the additive composition includes support material having deposited on its surface a metal component from Group III of the Periodic Table, preferably a montmorillonite clay support containing gallium. The clay is impregnated with the metal(s) using the known incipient wetness method and the dried powdered additive composition is preferably formed into shapes suitable for use in the FCC unit.
C10G 45/04 - 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
92.
Oil-based thermo-neutral reforming with a multi-component catalyst
C01B 3/26 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
B01J 23/10 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of rare earths