Embodiments described herein provide a well valve assembly, comprising a housing having an axial passage for flowing well fluid through the tool; a component disposed within the housing around the axial passage, the component having a circular circumference and an outer wall with a circumferential thread on the outer wall; a gate assembly disposed within the housing and configured to open and close with axial movement of the component;; a rotor disposed within the housing and having a structure for engaging with the circumferential thread on the outer wall to provide axial force on the component when the rotor rotates; a stator coupled to the rotor to rotate the rotor upon application of electric power; and a power conduit coupled to the stator to apply electric power to rotate the rotor.
A method can include generating synthetic seismic data using a velocity model of a subsurface geologic environment; perturbing the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsurface geologic environment; performing an iteration of a full-waveform inversion using the synthetic seismic data and the perturbed velocity model to generate seismic survey source and receiver illumination weights; and generating an image of the subsurface geologic environment using the seismic survey source and receiver illumination weights, where the seismic source and receiver illumination weights act to balance seismic illumination.
A tool catcher system includes a housing including an upper body connected to a lower body, the housing defining a central opening for receiving a tool. The tool catcher system also includes a plurality of segments and a hydraulic piston disposed between the upper body and the lower body. The hydraulic piston engages the plurality of segments, and a spring plate couples to and moves with the plurality of segments, which is configured to move between a closed position for catching the tool, and an open position for releasing the tool. The tool catcher system also includes a first spring that biases the spring plate in a first direction to catch the tool, and a second spring abutting against the hydraulic piston. The hydraulic piston is configured to move the plurality of segments and compress the second spring in a second direction opposite the first direction to release the tool.
A downhole sealing system may include two seal stacks and an elastomer ring. Each seal stack may include a plurality of sealing elements. The elastomeric ring may be disposed axially between the two seal stacks and have a diamond cross-sectional shape. The elastomeric ring may be configured to provide a gas seal to the downhole sealing system.
Embodiments described herein provide a well valve assembly, comprising a housing; a component disposed within the housing, the component having a circular circumference and an opening for flowing well fluid through the component, the component having an outer wall with a circumferential thread on the outer wall; a rotor disposed within the housing and having a thread for engaging with the circumferential thread on the outer wall to provide axial force on the component when the rotor rotates; an electric motor outside the housing; and a transmission assembly coupling the electric motor to the rotor to transmit rotation energized by the electric motor to the rotor.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 41/00 - Equipment or details not covered by groups
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
6.
DEVICES, SYSTEMS, AND METHODS FOR MITIGATING DOWNHOLE MOTOR DYSFUNCTION
A drilling system may determine a change in motor torque and/or a pressure drop of a downhole motor based on a flow of a drilling fluid through the downhole motor. The drilling system may determine a change in bit torque of a bit with respect to a change in a weight on bit of the bit. Based at least in part on the change in motor pressure and the change in bit torque of the bit with respect to the change in the weight on bit of the bit, the drilling system may adjust a flow rate of the drilling fluid through the downhole motor to reduce a frequency of motor stalls of the downhole motor.
A method of generating a wellbore image is disclosed. The method receives trajectory data captured by a sensor(s) within a wellbore at a resource site. The trajectory data may include a plurality of boundary points of the wellbore in a first dimensional space. The method generates a trajectory segment using a center line segment of the wellbore such that the trajectory segment is bounded by a first point on the center line segment and a second point on the center line segment. The method may generate a plurality of multi-dimensional points using the plurality of boundary points and the center line segment. The method may generate a first image of the wellbore using the first plurality of multi-dimensional points. The first image of the wellbore may indicate an image of the wellbore in a second dimensional space that is of a higher order than the first dimensional space.
A method includes initiating a managed pressure drilling (MPD) operation in an MPD system including a rotating control device (RCD) including at least one sealing element and a plurality of pressures sensors placed relative to the at least one sealing element. The RCD is positioned in the MPD system so as to receive fluid exiting an annulus of a wellbore. Further, the method includes creating a pressure spike in the annulus of the wellbore during the MPD operation, and monitoring a pressure differential between the plurality of pressure sensors to determine whether there is a leakage within the RCD.
A fluid displacement pump can include a rotor; and a stator, where the stator includes two materials bonded by a tie layer. A method can include providing materials; bonding two of the materials using another one of the materials as a tie layer to form a stator material; forming a stator of a pump using the stator material.
Exemplary methods and systems for minimizing noise during seismic modeling are disclosed. The exemplary methods include receiving seismic data associated with a resource site. The exemplary methods may further generate a model based on the seismic data. In one embodiment, the model has a first noise content associated with the seismic modeling. The noise content, in some embodiments, is due to unwanted signal reflections during the seismic modeling. The exemplary methods may further include generating first data and second data using the wavefields associated with the model and combining the first data and the second data to generate output data. The output data, according to one embodiment has an associated noise content than is less than the first noise content.
G01V 1/36 - Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
11.
SPECTRAL ALIGNMENT METHOD FOR INDUCED GAMMA RAY LOGGING
A method for gain correcting a gamma ray spectrum includes acquiring a gamma ray spectrum including gamma ray counts distributed into a plurality of energy channels, evaluating the acquired gamma ray spectrum to determine an energy of a calibration feature therein, comparing the energy of the calibration feature in the acquired spectrum to a standard spectral energy to determine a deviation between the energy of the calibration feature and the standard spectral energy, and adjusting the acquired spectrum so that the energy of the calibration feature is equal to the standard spectral energy to obtain a gain calibrated spectrum.
G16C 20/10 - Analysis or design of chemical reactions, syntheses or processes
G01N 23/22 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material
Seismic data for a subsurface region is obtained. Individually, for each factor of multiple factors, a corresponding set of factor cubes specific to the factor is generated to obtain sets of factor cubes. Each factor cube includes cells having a value for the factor cube that is for a particular location in the subsurface region. An unsupervised machine learning clustering model is executed on the sets of factor cubes to determine a corresponding weight for each factor. According to the corresponding weight, the sets of factor cubes are aggregated to generate an aggregated cube, which is presented.
A technique facilitates application of increased force in various well applications while limiting the overall time period of the operation by automatically utilizing two modes of operation. In some well applications, the technique automatically applies increased force to facilitate shearing of a tubular product in a timely manner. By way of example, the system may be utilized to rapidly advance rams to the point of contact with the tubular product extending through well equipment, e.g. through a blowout preventer (BOP), and then to automatically shift to a slower advance but higher force mode. The higher force mode facilitates shearing of a variety of tubular products in a variety of well applications.
A method for correcting elemental yields obtained from gamma ray spectra includes acquiring a plurality of elemental yields corresponding to a plurality of time intervals; summing one of the plurality of elemental yields with an accumulated negative yield to compute a corrected yield; setting the accumulated negative yield to a minimum of zero and the computed corrected yield; resetting the corrected yield to a maximum of zero and the computed corrected yield; and repeating the summing, the setting, and the resetting, for each of the acquired plurality of elemental yields to compute a corresponding plurality of corrected elemental yields.
H04B 13/02 - Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
E21B 47/13 - 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 by electromagnetic energy, e.g. of radio frequency range
G01S 11/06 - Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
G01V 5/10 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
15.
DOWNHOLE INSTRUMENT ACQUISITION AND TELEMETRY SYSTEM
A method may include acquiring NMR data using a NMR unit disposed in a borehole in a formation, where the NMR data represent characteristics of the formation. The method may also include compressing the NMR data using projection followed by adaptive quantization to generate multiple, quantized data structures, where the adaptive quantization selects a gain value from a plurality of gain values. The method may further include transmitting the multiple, quantized data structures using borehole telemetry, where the multiple, quantized data structures include an indicator for the selected gain value.
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
G01V 3/28 - 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 magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
An apparatus and method of creating a window in a composite casing section. The composite casing section has a metallic casing, an indexing locator and a composite joint. The composite joint is positioned between the metallic casing and indexing locator. The indexing locator is configured to locate a departure device within the wellbore. The departure device directs the milling device to mill the window through the composite joint. A lateral wellbore is created after the window is milled through the composite joint.
E21B 29/00 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
E21B 17/04 - Couplings; Joints between rod and bit, or between rod and rod
E21B 33/14 - Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
A bridge racker includes a bridge crane, a vertical column connected to the bridge crane, an extender connected to the vertical column, and a tool connected to the extender. The tool is configured to hold a tubular and the extender is configured to adjust a horizontal offset between the vertical column and the tool.
A method for estimating net inelastic gamma ray counts includes acquiring a burst gamma ray count measured during a neutron burst time interval, acquiring a capture gamma ray count measured during at least one neutron capture time interval, acquiring a neutron count during at least the neutron burst time interval, and subtracting a portion of the capture gamma ray count and a portion of the neutron count from the burst gamma ray count to estimate the net inelastic gamma ray count.
G16C 20/10 - Analysis or design of chemical reactions, syntheses or processes
G01N 23/22 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material
19.
DEVICES, SYSTEMS, AND METHODS FOR AUTOMATED SCHEDULING
A rig scheduling system prepares a candidate schedule. The candidate schedule is constrained by a set of constraints. The rig scheduling system identifies a neighborhood for alternative schedules to the candidate schedule. The neighborhood is defined by relationships between constraints within the set of constraints. The rig scheduling system prepares a plurality of alternative schedules within the neighborhood and selects a favorite alternative schedule of the plurality of alternative schedules based on one or more quality metrics.
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
E21B 41/00 - Equipment or details not covered by groups
20.
DEVICES, SYSTEMS, AND METHODS FOR DOWNHOLE SURVEYING
A drilling system may include a steering tool configured to engage a wellbore wall to direct an orientation of a toolface, the steering tool being rotatable about a rotational axis. A drilling system may include an azimuth sensor package, the azimuth sensor package including at least one of a multi-axis gyroscopic azimuth sensor rotatable about the rotational axis of the steering tool, a multi-axis magnetic azimuth sensor rotatable about the rotational axis of the steering tool, or an accelerometer azimuth sensor rotatable about the rotational axis of the steering tool.
E21B 47/022 - Determining slope or direction of the borehole, e.g. using geomagnetism
G01V 3/18 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging
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
Techniques for controlling tortuosity of fluid flow through a subterranean formation include introducing a diversion fluid into a wellbore, introducing a first fluid into the wellbore, collecting a second fluid from the wellbore or a second wellbore, and recovering heat from the second fluid. Techniques for increasing the likelihood that a fluid will absorb heat as it flows through rock fractures include introducing a first fluid into a first wellbore, introducing a particulate fluid into the first wellbore, collecting a second fluid from a second wellbore, and recovering heat from the second fluid. Techniques for recovering heat from a subterranean formation include observing a first parameter of a first fluid introduced into a first wellbore, observing a second parameter of a second fluid collected from a second wellbore, recovering heat from the second fluid, and introducing a diversion fluid into the first wellbore.
A bridge racker includes a bridge crane, a vertical lifting assembly connected to the bridge crane and with access to a limited vertical range at the bridge crane, and a winch assembly connected to the bridge crane and with access to an entire vertical range between a drill floor and the bridge crane.
E21B 19/15 - Racking of rods in horizontal position; Handling between horizontal and vertical position
E21B 19/00 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
E21B 19/20 - Combined feeding from rack and connecting, e.g. automatically
B66C 23/26 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
B66C 1/42 - Gripping members engaging only the external or internal surface of the articles
B66C 7/02 - Runways, tracks, or trackways for trolleys or cranes for underhung trolleys or cranes
B66C 11/16 - Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
A method can include operating a field system using a first partition as an active partition and a second partition as a passive partition; responsive to receipt of a system update, changing a bootloader configuration from the first partition to the second partition; performing root of trust measurements for the update where the measurements account at least for the change in the bootloader configuration; responsive to establishing trust via the measurements, accessing an encryption key; decrypting, using the encryption key, at least the second partition for use by the system; and rebooting the field system using the second partition as an active partition and the first partition as a passive partition for a system rollback responsive to detection of a system update issue.
G06F 21/53 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure by executing in a restricted environment, e.g. sandbox or secure virtual machine
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
G06F 21/71 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
G06F 21/00 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
24.
ELECTRIC ANNULAR BLOWOUT PREVENTER WITH RADIAL COMPRESSION OF PACKER
An annular blowout preventer includes an annular body including a central bore extending therethrough, a plurality of electric motors disposed circumferentially around the annular body, a packer assembly disposed within the annular body about the central bore, and a plurality of pusher plates disposed in the annular body, each pusher plate configured to radially engage the packer assembly. The packer assembly includes a packer element and a donut that circumferentially surrounds the packer element. The plurality of pusher plates is correspondingly connected to the plurality of electric motors via a connecting rod.
A shckline stuffing box includes one or more packer elements that are configured to compress axially and expand radially to seal around a slickline to contain a. pressure within a wellbore therebelow during a slickline wellbore intervention. The slickline stuffing box also includes a valve configured to be positioned below the one or more packer elements in a first configuration of the slickline stuffing box and above the one or more packer elements in a second configuration of the slickline stuffing box. The valve is configured to contain the pressure within the wellbore in response to the slickline breaking and falling down and out of the slickline stuffing box.
E21B 33/072 - Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells for cable-operated tools
E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A slickline stuffing box includes a piston configured to move in response to a force exerted thereon by a pressurized fluid. The slickline stuffing box also includes a packer element positioned above the piston. The packer element is configured to compress axially and expand radially, in response to movement of the piston, to seal around a slickline to contain a pressure within a wellbore during a slickline wellbore intervention. The slickline stuffing box also includes a valve configured to be positioned below the packer element in a first configuration of the slickline stuffing box and above the packer element in a second configuration of the slickline stuffing box. The valve is configured to contain the pressure within the wellbore in response to the slickline breaking and falling down and out of the slickline stuffing box.
E21B 33/072 - Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells for cable-operated tools
E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
27.
SYSTEM FOR INTEGRATING AND AUTOMATING FAULT INTERPRETATION TO FAULT MODELLING WORKFLOWS
Methods and systems for geological fault modeling are presented. The methods comprise: receiving interpretation data associated with one or more geological faults based on extracted data from a geological site; optimizing the interpretation data using one or more formatting operations associated with a signal processing module; generating one or more gridding representations of the interpretation data using the formatted interpretation data; executing, using the one or more gridding representations of the interpretation data, one or more inference operations based on one or more fault relationships associated with the formatted data to generate a fault model; executing, using the fault model, one or more of a sensitivity operation or an uncertainty analysis operation based on one or more parametric configurations of the fault model during a simulation to generate output data; and initiating generation of a visualization associated with the one or more geological faults based on the output data.
A method can include accessing a finite element cell grid in a depositional space for a geologic environment, where finite element topological cells spatially overlap in a region of the depositional space that includes a discontinuity; processing the finite element topological cells using one or more scalar fields to generate depositional grid cells, where each of the depositional grid cells includes a surface defined by the discontinuity and at least one surface defined by at least one of the one or more scalar fields; and assigning one or more physical properties to each of the depositional grid cells to generate a computational model that characterizes the geological environment.
E21B 41/00 - Equipment or details not covered by groups
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
G09B 23/40 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for geology
29.
PREDICTION OF GAS CONCENTRATIONS IN A SUBTERRANEAN FORMATION
A method for estimating a formation gas concentration while drilling includes making first gas concentration measurements in drilling fluid as the drilling fluid exits a wellbore or second gas concentration measurements in drilling fluid before the drilling fluid is pumped into the wellbore while drilling the wellbore. The first gas concentration measurements or the second gas concentration measurements may be evaluated with a model to estimate the formation gas concentration.
A method, computer-assisted system, and computer program product including training a proxy model to predict output from a numerical model of a volume of interest, receiving data representing an subsurface operation performed at least partially in the volume of interest, predicting one or more performance indicators for the subsurface operation using the proxy model, and updating the numerical model based at least in part on the one or more performance indicators predicted in the proxy model.
G05B 17/00 - Systems involving the use of models or simulators of said systems
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
Machine learning techniques for reconstructing a target well log are presented. The techniques include: storing a dictionary that includes a statistical distribution similarity quantification for each common feature of each pair of well logs in a well log data set; for at least one cluster of the target well log, ranking the well logs in the well log data set based on the dictionary, where the ranking is according to a statistical distribution similarity to the target well log; selecting a validation set of well logs and a training set of well logs; iteratively producing a reconstruction model, where each step of the iteration includes training using the training set of well logs and validating using the validation set of well logs; reconstructing a feature in the target well log using reconstructed values for the feature output by the reconstruction model; and providing the reconstructed target well log.
Disclosed are methods, systems, and computer programs for placing one or more optimal infill well locations within a reservoir. The methods include: generating a first multi-dimensional reservoir model of a first reservoir that is parameterized; assigning well placement data to the first reservoir model to generate a simulation model; applying a stochastic optimization process in a first simulation on the simulation model; determining infill well locations data based on the first simulation; configuring a second multi-dimensional reservoir model based on the infill well locations data; and generating using the second multi-dimensional reservoir model, one or more of: pressure delta data for one or more infill locations associated with a second reservoir, and a simulation opportunity index indicating reservoir properties for the one or more infill locations associated with the second reservoir.
G05B 17/00 - Systems involving the use of models or simulators of said systems
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06F 30/3308 - Design verification, e.g. functional simulation or model checking using simulation
G06F 17/18 - Complex mathematical operations for evaluating statistical data
A method can include accessing a hexahedral cell grid, defined by corner nodes, that represents a geologic environment, where hexahedral cells of the hexahedral cell grid overlap in a region of the geologic environment that includes a fault, where the fault is represented by discrete elements defined by element nodes; generating a depositional space grid that represents the geologic environment in a depositional space using the hexahedral cell grid and zero gap corner node displacement constraints for overlapping hexahedral cells that represent different sides of the fault, where the zero gap corner node displacement constraints are formulated using the element nodes of the fault that are embedded in the overlapping hexahedral cells to constrain corner node displacements to prevent gapping between opposing sides of the fault; and characterizing the geologic environment with respect to hydrocarbon production using the depositional space grid.
A method including receiving injector-producer pair parameters for injectors and producers in a target underground region. The injectors and the producers may be characterized as injector-producer pairs. The method also includes converting the injector-producer pair parameters into coefficients stored in a data structure. The coefficients represent estimates of connection strengths between the injectors and producers. The method also includes generating, from the coefficients, a performance indicator that represents an operational relationship between a corresponding injector and a corresponding producer in an injector-producer pair. The method also includes transmitting the performance indicator to a pattern flood management application.
G06F 7/48 - Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using unspecified devices
G06G 7/48 - Analogue computers for specific processes, systems, or devices, e.g. simulators
35.
SYSTEM FOR AUTOMATED MODEL BUILDING AND SCENARIO EVALUATION THROUGH CONCEPT GENERATION
Systems and methods for executing automated model generation and scenario-based evaluation operations at a resource site are presented. The systems may be used to generate a first framework and a second framework associated with a plurality of domains comprising a plurality of specialization areas associated with developing the resource site. In one embodiment, the systems facilitate generating one or more models and executing one or more simulations on said models based on one or more development scenarios. In one embodiment, the systems and methods enable generation of output data (e.g., well design data, subsea design data, subsurface production data) in response to executing the simulations. The output data according to some embodiments, used to generate one or more visualizations that are displayed on a graphical user interface.
E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
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
G06G 7/48 - Analogue computers for specific processes, systems, or devices, e.g. simulators
G06G 7/00 - Devices in which the computing operation is performed by varying electric or magnetic quantities
An actuation assembly. The actuation assembly may include a housing, a mandrel disposed within the housing and shiftable within the housing to open and close an isolation valve, and a piston assembly disposed between the housing and the mandrel. The piston assembly may include a first hydraulic chamber fluidly couplable to a first trigger, a second hydraulic chamber fluidly couplable to the first trigger and a second trigger, a third hydraulic chamber fluidly couplable to the second trigger, a close collet piston positioned between the first hydraulic chamber and the second hydraulic chamber and close collet piston operable to shift the mandrel to close the isolation valve when the first trigger is activated, and an open collet piston positioned between the second hydraulic chamber and the third hydraulic chamber and open collet piston operable to shift the mandrel to open the isolation valve when the second trigger is activated.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
37.
CARBONATES CHARACTERIZATION VIA DIFFUSE REFLECTION INFRARED MEASUREMENT
A method can include irradiating a rock sample with infrared radiation from at least one radiation source; detecting infrared radiation reflected from the rock sample for two different wavelength bands using a photodetector; and, based on a comparison of the infrared radiation for the two different wavelength bands, using a processor, determining whether the rock sample includes carbonate.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 21/3563 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
A method, computer system, and computer program product are provided for identifying missing reserves in a reservoir. Well site data for well sites in a reservoir are ingested. A first machine learning model generates behind casing opportunities and reservoir quality indicators from the plurality of logs. A second machine learning model determines missing reserves based on the reservoir quality indicators for the well sites and in between the wells. A third machine learning model determines candidate wells based on the missing reserves. A fourth machine learning model predicts economic outcomes for intervention options for the candidate wells. An oilfield decision is supported based on the predicted economic outcomes.
E21B 47/005 - Monitoring or checking of cementation quality or level
E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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
Methods and systems for subsurface modeling are disclosed. The methods include: generating a set of fault models using fault interpretation data derived from one or more of geological data captured by one or more sensors at a geological site or aggregated historical geological data generated from a plurality of geological sites; executing a filtering operation on the set of fault models to select one or more fault models with a shared property; applying one or more geometry constraints on the one or more fault models to generate a constrained set of fault models; generating a subsurface framework model using the constrained set of fault models, the subsurface framework model indicating consistent horizon data for the geological formation; testing the subsurface framework model based on one or more simulations to generate output data; and initiating generation of one or more visualizations based on the output data for viewing on a graphical display device.
A computing system for providing standardized seismic processing workflows includes a workflow template registry configured to register a plurality of workflow templates that each include one or more steps that produce output seismic data. The computing system also includes a workflow execution track template registry configured to register a plurality of track templates. Each track template includes one or more of the workflow templates. The computing system also includes a workflow execution graphical user interface configured to enable a definition of a seismic processing project. The seismic processing project includes a plurality of tracks and a sequence of seismic processing activities. The computing system also includes a workflow execution dispatcher configured to cause the one or more steps to interact with a cloud computing environment. The computing system also includes an output data registry.
An integrated autonomous operation system that holistically renders the operation in digital form at multiple scales, including reservoir, surface infrastructure, workflows, processes, and the real asset. The system provides an end-to-end digital twin connecting subsurface to production. A subsurface model identifies and monitors water-producing zones for strategic decisions. The models use intelligent Al to provide optimum water injection setpoints. The models provide data to systems that automatically control the chokes and valves to meet the setpoints, thus achieving fully integrated, autonomous operations.
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
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
42.
FEEDBACK LOOP MODEL FOR INJECTOR-PRODUCER RELATIONSHIP IN HYDROCARBON RESERVOIRS
Certain aspects of the disclosure provide a method for generating allocation factors describing an injector-producer relationship between injection wells and a production well of a reservoir. The method generally includes obtaining geospatial location data for multiple injection wells and at least one production well within the reservoir; using a liquid rate model to estimate liquid flow rates for a specified well pattern within the reservoir, wherein the liquid rate model incorporates a distance parameter representing the spatial separation between each injection well and the production well; calculating a water-cut profile for the production well based on fractional flow models and the estimated liquid flow rates; and generating allocation factors for each injection well in relation to the production well based on at least one of the estimated liquid flow rates and the water-cut profile, wherein the allocation factors describe contributions of the injection wells towards the production well.
A method includes receiving, via one or more processors, resource data from a plurality of source. The method also includes determining, via the one or more processors, location data associated with the resource data from the plurality of sources. Further, the method includes receiving, via the one or more processors, criteria data corresponding to a user accessing the resource data. Further still, the method includes generating, via the one or more processors, a geographic data visualization of the resource data based on the location data. The geographic data visualization includes a plurality of visual resource representations indicative of at least a portion of the resource data.
G06F 16/16 - File or folder operations, e.g. details of user interfaces specifically adapted to file systems
G06F 16/587 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
A method for estimating surface concentrations of gas in a drilling fluid in use in a drilling rig includes measuring gas-out or gas-in concentrations while drilling a wellbore and processing the gas-out measurements or the gas-in measurements with a calibrated model to estimate corresponding gas-in concentrations or gas-out concentrations.
Methods, computing systems, and computer-readable media for a machine learning method of modeling fault-related properties of a geological region are presented. The techniques include: obtaining seismic geological data for a geological region; obtaining from a user identifications of a plurality of faults in the geological region; automatically generating values for descriptors of respective faults of the plurality of faults; automatically partitioning faults of the plurality of faults into a plurality of groups according to the values for the descriptors; obtaining a mapping of respective groups of the plurality of groups to modeling parameter values; applying the mapping to a fault in the geological region outside of the plurality of faults to obtain a modeling parameter value for the fault outside of the plurality of faults; and modeling a fault-related property of the geological region based on the modeling parameter value for the fault outside of the plurality of faults.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
A method including receiving a reservoir model of a target underground region. The method also includes extracting, from the reservoir model, a historic pressure distribution in grid cells of the target underground region. The method also includes extracting, from the reservoir model, distances. Each distance represents a distance between a grid cell and a corresponding lineament in the target underground region. The method also includes receiving historic earthquake data of past earthquakes in the target underground region. The method also includes generating a vector. The vector includes features and corresponding values for at least i) the historic pressure distribution, ii) the distances, and iii) the historic earthquake data. The method also includes training a trained machine learning algorithm by recursively executing a machine learning algorithm on the vector until convergence.
A method for oilfield workflow processing includes receiving a script from a first computing device at a data aggregation platform, the data aggregation platform comprising one or more processors and oilfield data, executing the script using the one or more processors and the oilfield data of the platform, and transmitting one or more results of the execution of the script back to the first computing device. At least some of the oilfield data that was used in executing the script is not transmitted back to the first computing device.
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
48.
INTEGRATED MULTI MODAL EMISSION MEASUREMENTS LIFECYCLE
The disclosed methods and systems are directed to mitigating against one or more emissions events at a facility. The method comprises receiving first emissions data associated with the facility and formatting same based on a predefined data structure or a source type associated with the plurality of emissions sources of the facility. The method further comprises tracking using one or more sensors a plurality of emissions records generated using the emissions data. The data from the tracked emissions records may be used to generate an emissions inventory that may be used to generate one or more models which are used in one or more simulations to generate second emissions data. The second emissions data may enable tracking of one or more emissions sources associated with the facility. The second emissions data may enable execution of control operations that mitigate against one or more emissions sources associated with the facility.
G01N 1/22 - Devices for withdrawing samples in the gaseous state
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
A method can include generating a visual group of datasets; receiving a visualization mesh that intersects at least two of the datasets; executing a shader using graphics hardware to generate values for the visualization mesh, where the values depend on data within at least one of the at least two datasets; and rendering a visualization to a display using the values.
A method for determining an uncertainty of a representation of a fault population includes receiving seismic data representing a subterranean domain. The subterranean domain includes a plurality of faults. The method also includes generating a plurality of fault volumes based upon the seismic data. The method also includes generating a plurality of fault populations based upon the fault volumes. The fault populations are generated by extracting one or more fault objects from one or more of the fault volumes. The method also includes generating quantitative values based upon the fault populations. The quantitative values represent on or more of the fault objects, one or more of the fault populations, or both. The method also includes comparing the quantitative values to determine the uncertainty of the representation of the fault populations. The method also includes generating or updating a visual representation based upon the comparison.
Embodiments presented provide for a method of monitoring emissions. A calibration of a metal oxide sensor is accomplished in order to monitor fugitive methane gas emissions on a consistent and constant basis.
A downhole valve assembly includes a safety valve and an actuator that opens and/or closes the valve. The actuator can be an electro-hydraulic actuator (EHA), an electro mechanical actuator (EMA), or an electro hydraulic pump (EHP). The downhole safety valve can also include an electric magnet. The electric magnet can act as or control a magnetic decoupling mechanism to control closure of the safety valve.
A method of forward modeling reservoir fluid geodynamics that accounts for both slow processes and fast processes. The method provides a model that accounts for the fluid geodynamics from charge to current time.
E21B 49/08 - Obtaining fluid samples or testing fluids, in boreholes or wells
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
A system for detecting hydrocarbons in a subterranean formation includes an outlet sensor configured to measure an outlet drilling fluid parameter of a drilling fluid. The system also includes an inlet sensor configured to measure an inlet drilling fluid parameter of the drilling fluid. The system also includes a gas extractor positioned downstream from the outlet of the wellbore and upstream from the inlet sensor. The gas extractor is configured to extract a gas from the drilling fluid. The system also includes a computing system configured to determine a first time when the outlet drilling fluid parameter increases by more than a first threshold, determine a second time when the inlet drilling fluid parameter becomes substantially constant or increases by more than a second threshold, and determine a surface transit time of the drilling fluid based at least partially upon the first time and the second time.
A method can include receiving real-time data during a controlled drilling operation performed by a controller, an instrumented rig and a drillstring that includes one or more downhole sensors, where the data include surface data from the instrumented rig and downhole data from the one or more downhole sensors; detecting a drilling behavior during the drilling operation; and generating a control recommendation to mitigate the drilling behavior.
E21B 21/08 - Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
E21B 47/18 - 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 using acoustic waves through the well fluid
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
E21B 7/02 - Drilling rigs characterised by means for land transport, e.g. skid mounting or wheel mounting
56.
GENERATION AND USE OF SEARCHABLE GRAPH DATA STRUCTURE BASED ON ONTOLOGICAL KNOWLEDGE
A method including parsing a natural language query to generate terms. The method also includes linking the terms to entities of a graph data structure including a first layer of nodes connected by edges. The entities are selected from among the nodes and the edges. The graph data structure further includes a meta layer which has tags associated with the edges and the nodes. The tags define an ontology for the entities. A term in the terms is linked to an entity in the entities when the term matches the entity. The method also includes generating a set of paths between selected tags in the meta layer. Each of the selected tags is associated with a corresponding edge in the graph data structure that matches a corresponding term extracted from the natural language query. The method also includes converting the set of paths into a structured query language statement.
A method, sensor, and non-transitory computer-readable storage medium are provided for estimating actual amplitudes of a waveform. A machine learning model may be trained for an embedded system of a first three-axes sensor having a limited range to estimate the actual amplitudes of a waveform that saturates the first three-axes sensor in a direction of one of the three axes. The embedded system acquires a second waveform during use of a tool including the first three-axes sensor. The second waveform that occurs after a second waveform producing event is isolated. The embedded system extracts a multi-dimensional feature from the isolated second waveform and estimates, using the machine learning model, the actual amplitudes of the second waveform based on the extracted multi-dimensional feature.
G01V 1/40 - Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
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
Systems and methods presented herein a natural language query conversion framework configured to convert natural language queries into database-specific queries to enable users not particularly conversant in database query languages and schema. For example, a method includes receiving, via the natural language query conversion framework, a natural language query; converting, via the natural language query conversion framework, the natural language query into a database query using a language model (LM); and executing, via the natural language query conversion framework, the database query against an oil and gas (O&G) database.
Systems and methods presented herein facilitate ensuring the integrity of oil and gas well intervention operations using blockchain technologies. In particular, the systems and methods described herein utilize blockchain technologies to ensure that all data relating to oil and gas well intervention operations are captured and stored in substantially real time during the operations in a secure and immutable manner.
E21B 47/125 - 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 using earth as an electrical conductor
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
H04L 9/00 - Arrangements for secret or secure communications; Network security protocols
60.
MEASURING INFLATABLE PACKER EXPANSION AND WELLBORE DEFORMATION
An inflatable packer assembly that includes opposing end fittings by which the inflatable packer assembly is installable within a downhole tool string. An inflatable body coupled between the end fittings has an external groove. An elongation sensor is fixed in the external groove. The elongation sensor includes a capacitive element that whose capacitance varies based on elongation of the elongation sensor in response to inflation of the inflatable body.
Devices, systems, and methods are provided for a through-rotary centralizer for downhole operations. The through-rotary centralizer assists with centralizing a tool operating downhole, such as a bit. The through-rotary centralizer has a mandrel, a sleeve rotatably mounted around the mandrel, a floating hub slidably mounted around the sleeve, and centralizing arms mounted to the sleeve and floating hub. The centralizing arms extend to exert force against the inner wall of a tubular, such as wellbore casing, thereby providing stability to the downhole tool. Because the sleeve is rotatably mounted to the mandrel, the mandrel rotates within the sleeve and is able to transmit power or torque to the downhole tool, such as a bit. The centralizing arms are not required to rotate with the mandrel due to the rotatably mounted sleeve. A surface system may be used to control the position of the through-rotary centralizer.
A system and method for providing improved control of fluid flow between an interior and an exterior of a tubing string with a multicycle valve system. The multicycle valve having a run-in position, a fracturing position, and a production position. The multicycle valve comprising an outer housing having fracturing ports and production ports. The multicycle valve has a fracturing sleeve which is shifted via pressure applied to a first drop dissolvable ball to open fracturing ports of the multicycle valve. Pressure applied to a second dropped ball shifts an intermediate sleeve to close the fracturing ports and shifts a production sleeve to open production ports. The multicycle valve also has a bypass port allows sufficient fluid to exit the multicycle valve such that an additional ball pump-down operations can still take place uphole of the multicycle valve.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
63.
A METHOD TO ESTABLISH A DETECTABLE LEAK SOURCE LOCATION
Embodiments presented provide for a method for detecting emissions. The method establishes a map that is used with prevailing wind conditions to establish a point source location for methane gas emissions.
A method includes receiving a first seismic dataset based at least partially upon a signal. The signal is a subsea signal. The method also includes measuring one or more particle motion characteristics of the signal based at least partially upon the first seismic dataset. The method also includes separating the signal into an upgoing component, a downgoing component, and a direct arrival based on the one or more particle motion characteristics. The method also includes generating a propagation response between two or more of the sources based at least partially upon the downgoing component and the direct arrival. The method also includes generating a second seismic dataset based at least partially upon the propagation response.
An ammonia production system includes a steam generation device configured to produce steam and an electrolyzer cell configured to produce hydrogen feedstock gas from the steam. A hydrogen combustor receives the hydrogen feedstock gas from the electrolyzer cell and combusts the hydrogen feedstock gas and produce heat and electricity. A combustion thermal conduit provides heat transfer between the hydrogen combustor and the steam generation device. An electrical generator is connected to the hydrogen combustor and configured to generate electricity.
A flow assurance digital avatar is provided that combines the simulation of fluid flow through a network of oilfield facilities including reservoirs, wells and pipelines, detection and visualization of possible flow-related issues and risks in the network of oilfield facilities, user evaluation of possible optimizations (what-if scenarios) in the operation of the network of oilfield facilities for fixes and workovers with respect to flow-related issues and risks, and user evaluation and management of possible tasks or actions for the fixes and workovers for the flow-related issues and risks. Other aspects are described and claimed.
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 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
F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
G06Q 10/063 - Operations research, analysis or management
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
A method includes receiving a first seismic dataset. The method also includes generating one or more particle motion characteristics of a signal based at least partially upon the first seismic dataset. The method also includes separating the signal into an upgoing component and a downgoing component based at least partially upon the one or more particle motion characteristics. The method also includes generating a second seismic dataset based at least partially up on the upgoing component, the downgoing component, or both. The second seismic dataset is denser than the first seismic dataset.
A method for generating resolved data is disclosed. The method receives captured data in a first signal space from sensors at a resource site and determines a signal characteristic associated with a first signal component, a second signal component, or a noise component within the captured data. The method transforms the captured data from the first signal space to a second signal space using a first transform operator. The method further extracts a first signal component from the transformed captured data in the second signal space. The extracted first signal component may be transformed back to the first signal space to generate a first extracted data which may be subtracted from the captured data. The method reconstructs the first extracted data to generate a first reconstructed data included in the resolved data. The resolved data includes a minimal amount of a noise component associated with the captured data.
A dataset is received for ingestion into a data platform, and a correlation identifier is generated responsive to receiving the dataset. Multiple choreographed services emit multiple event messages. The plurality of choreographed services operate independently of each other based on a plurality of events triggered in a data platform. The plurality of events relate to contents of the dataset and comprising the correlation identifier. A message storage is populated with multiple status updates related to the correlation identifier. A status message associated with the correlation identifier is published in response to a status update of the plurality of status updates.
A method may include receiving real-time data relating to drilling fluid for drilling operations that utilize a drilling fluid system that includes tanks and pumps, where the drilling operations include operations that pump the drilling fluid to a drill bit on a drillstring that rotates to extend a borehole in a formation, and where the drilling fluid flows to an annulus between the drillstring and the formation to apply pressure to the formation; detecting a tank state from a group of tank states based at least in part on the real-time data, where the group of tank states includes tank states defined with respect to one or more operations of the pumps; and detecting a change in tank volume, based at least in part on the tank state, as an indicator of an undesirable interaction between the drilling fluid and the formation
The disclosure relates to an electrolysis system and method. The electrolysis system comprises a heating device for heating water above its boiling point (such as steam generator or flash desalinator) to produce a processed water product (such as steam or desalinated water). It also includes an electrolyzer that receives the processed water product to produce hydrogen gas and oxygen based on the processed water product. The system also includes a compressor that receives hydrogen gas and compresses the hydrogen gas, the compressor heating the hydrogen gas to a heated gas temperature; and a cooling system that cools the hydrogen gas from the heated gas temperature to a cooled temperature. The system also includes a heat transfer system that transfers absorbed heat from the cooling system to the heating device, the heating device producing the processed water product at least in part using the absorbed heat
Systems and method presented herein enable the estimation of porosity using neutron-induced gamma ray spectroscopy. For example, the systems and methods presented herein include receiving, via a control and data acquisition system, data relating to energy spectra of gamma rays captured by one or more gamma ray detectors of a neutron-induced gamma ray spectroscopy logging tool. The method also includes deriving, via the control and data acquisition system, one or more spectral yields relating to one or more elemental components from the data relating to the energy spectra of the gamma rays. The method further includes estimating, via the control and data acquisition system, a measurement of porosity based on the one or more spectral yields relating to the one or more elemental components.
G01V 5/12 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma- or X-ray sources
G01V 5/10 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
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
Systems and methods presented herein include sidewall coring tools used to return core samples of rock from a sidewall of a wellbore as part of a data collection exercise for exploration and production of hydrocarbons. In particular, the systems and methods presented herein perform sidewall coring of a subterranean formation using a combination of rotary and percussive coring. More specifically, the systems and methods presented herein rotate a coring cylinder of a sidewall coring tool back and forth less than a full rotation while pushing the coring cylinder of the sidewall coring tool against a bore wall of a wellbore, and push the coring cylinder of the sidewall coring tool into the subterranean formation to enable extraction of a core sample of the subterranean formation.
E21B 49/06 - 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 using side-wall drilling tools or scrapers
G01N 1/04 - Devices for withdrawing samples in the solid state, e.g. by cutting
An electromagnetic telemetry system to support communications at an oilfield. The system may include unique modes of encoding and decoding acquired signal data between a downhole tool and a surface unit for attenuation of noise from the data. In one embodiment, a mode of speech separation may be utilized to further enhance reliability of the acquired signal data.
G01V 3/30 - 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 electromagnetic waves
E21B 47/13 - 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 by electromagnetic energy, e.g. of radio frequency range
75.
QUALITY ASSESSMENT OF DOWNHOLE RESERVOIR FLUID SAMPLING BY PREDICTED INTERFACIAL TENSION
Methods and systems that configure a downhole tool disposed within a wellbore adjacent a reservoir to perform fluid sampling operations that draw live reservoir fluid from the reservoir into the downhole tool are described. The live reservoir fluid is at elevated pressure and temperature conditions of the reservoir. The live reservoir fluid is analyzed within the downhole tool to determine fluid properties of the live reservoir fluid. Interfacial tension of the live reservoir fluid can be determined or predicted from the fluid properties of the live reservoir fluid. The interfacial tension of the live reservoir fluid can be used to characterize and assess quality of the live reservoir fluid in substantially real-time. The characterization and assessment of the quality of the live reservoir fluid can be used to control the sampling operations or initiate downhole fluid analysis or sample collection for analysis of "clean" reservoir fluid of acceptable quality.
A method can include acquiring electromagnetic conductivity measurements for in-phase conductivity and quadrature conductivity using an electromagnetic conductivity tool disposed in a borehole of a formation that includes particles, where energy emissions of the electromagnetic conductivity tool polarize the particles; inverting a model, using the electromagnetic conductivity measurements, for at least two of salinity, water saturation, cation exchange capacity of the particles, Archie cementation exponent and Archie saturation exponent to characterize the formation, where the model includes (i) an in-phase conductivity relationship that depends on formation porosity and water saturation and (ii) a quadrature conductivity petrophysical relationship that depends on salinity, formation grain density, water saturation and cation exchange capacity of the particles; and transmitting the at least two to a computing framework for generation of at least one operational parameter for a borehole field operation for the borehole.
G01V 3/30 - 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 electromagnetic waves
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
A fluid electrical probe includes a body portion housing a cleaner, a head portion forming a gap, an electrode disposed in the gap, and a temperature sensor disposed in the gap. The cleaner is extendable into the gap to clean the electrode and the temperature sensor. The body portion comprises a handle configured to be gripped by an operator.
A method can include receiving a request for field equipment data; responsive to the request, automatically processing the field equipment data using a trained machine learning model to generate a quality score for the field equipment data; and outputting the quality score.
A method can include receiving a request for field equipment data; responsive to the request, automatically processing the field equipment data using a trained machine learning model to generate a quality score for the field equipment data; and outputting the quality score. The method further comprises generating the request responsive to accessing a project via a computational framework.
Monitoring and real-time adjustments of proppant concentrations during a hydraulic fracturing treatment may be advantageous, particularly when the goal is to create a heterogeneous proppant pack in the fracture. The proppant concentration may be measured by analyzing noise spectra as the fracturing fluid passes through a tubular body at the surface or downhole in the subterranean well.
A system includes a drill pipe and a rotating control device including a housing defining a bore through which the drill pipe extends during a managed pressure drilling operation, a sealing element disposed in the housing that is configured to seal against the drill pipe to block fluid flow through an annular space surrounding the drill pipe, a bearing assembly disposed in the housing that enables the sealing element to rotate relative to the housing, and means for detecting eccentricity or misalignment of the drill pipe within the rotating control device during the managed pressure drilling operation.
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
G01V 1/40 - Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
E21B 47/013 - Devices specially adapted for supporting measuring instruments on drill bits
82.
METHODS AND SYSTEMS EMPLOYING AUTONOMOUS CHOKE CONTROL FOR MITIGATION OF LIQUID LOADING IN GAS WELLS
Methods and systems are provided for controlling intermittent production of gas in association with liquids from a well. Production tubing disposed in the well provides a flow path for gas and liquids to the surface. An electrically-controlled choke and a controller are disposed at the surface. The choke is in fluid communication with the production tubing. The controller interfaces to the choke and executes autonomous control operations that control operation of the choke, wherein the autonomous control operations involve production cycles that include a production mode followed by a shut-in mode. In the production mode, the controller is configured to operate the choke in an open position. In the shut-in mode, the controller is configured to operate the choke in a closed position.
A method can include acquiring data from a borehole imaging tool disposed in a borehole in a formation where the borehole includes electrically insulating oil-based fluid introduced into the borehole as a drilling lubricant; determining, based on the data, electrically insulating oil-based fluid impeditivity and a reference formation impeditivity via a circuit model that includes series and parallel terms; and detecting a location of a fracture in the formation based on a change in current flow from the tool through the electrically insulating oil-based fluid and into the formation by determining an effective formation impeditivity based on at least a portion of the data for the location and by comparing the effective formation impeditivity to the reference formation impeditivity.
G01V 3/20 - 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 propagation of electric current
G01V 3/02 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation operating with propagation of electric current
E21B 47/002 - Survey of boreholes or wells by visual inspection
G01V 1/40 - Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
84.
METHODS FOR REAL-TIME OPTIMIZATION OF COILED TUBING CLEANOUT OPERATIONS USING DOWNHOLE PRESSURE SENSORS
Systems and methods presented herein facilitate coiled tubing cleanout operations, and generally relate to estimating reservoir pressure prior to the coiled tubing cleanout operations (e.g., while the wellbore is shut-in). For example, a method includes acquiring, via one or more downhole sensors of a coiled tubing system at least partially disposed within a wellbore, downhole data of the coiled tubing system; identifying, via a processing and control system, a density profile of fluids disposed within the wellbore based at least in part on the acquired downhole data; interpreting, via the processing and control system, the density profile of the fluids disposed within the wellbore; and estimating, via the processing and control system, a reservoir pressure of a reservoir through which the wellbore extends based at least in part on the interpreted density profile of the fluids disposed within the wellbore.
A system may include a substrate and a coating deposited onto a surface of the substrate. The coating includes a carbon rich layer deposited on the substrate. The carbon rich layer is also characterized by a first carbon content including sp2carbon and sp3carbon. Further, the carbon rich layer includes one or more treated carbon regions. The one or more treated carbon regions possess an electrically conductive carbon material having a second carbon content including sp2carbon and sp3carbon. The second carbon content includes more sp2 carbon than the first carbon content, and may be pre-arranged and interconnected to produce an electrical circuitry with a pluralities of sensing abilities. The formed smart coating may be preferentially produced on a hard diamond-like carbon coating, such as a low friction and anti-scaling coating.
C23C 16/50 - 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 using electric discharges
C23C 16/52 - Controlling or regulating the coating process
C23C 14/06 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
A method for estimating an apparent conductivity of a subterranean formation includes acquiring at least first and second electromagnetic propagation measurements made using an electromagnetic propagation tool having at least one transmitting antenna spaced apart from at least one receiving antenna. A ratio is computed using the measurements and further evaluated to estimate the apparent conductivity.
G01V 3/30 - 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 electromagnetic waves
G01V 3/12 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
G01V 3/38 - Processing data, e.g. for analysis, for interpretation or for correction
87.
AUTOMATED CONTAMINANT SEPARATION IN GAS CHROMATOGRAPHY
A method for evaluating an unknown gas sample includes acquiring a chromatogram of the unknown gas sample and processing the chromatogram to identify a peak. The peak is evaluated to determine if it is representative of a single gas species in the unknown gas sample. The peak is fit with at least first and second curves when the peak is not representative of a single gas species. First and second areas under the corresponding first and second curves are computed and processed to compute a composition of the unknown gas sample or a ratio of concentrations of individual gases in the unknown gas sample.
Embodiments presented provide for a method of evaluation for data that is inconsistent or that changes over time. These embodiments involve the processing of pollutants in a stream such that accuracy is maintained during the processing for high quality evaluation. The method includes collecting atmospheric data for an area, collecting concentration data for pollutant emissions, processing the atmospheric data to determine a quality of the atmospheric data, processing the concentration data for pollutant emissions to determine a concentration data quality, producing a combined quality metric from the processed atmospheric data and the processed concentration data, and determining if the combined quality metric is of a high or low level.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01W 1/06 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving a combined indication of weather conditions
89.
A METHOD TO PERFORM SELECTION OF OPTICAL GAUGE LENGTH OF FIBERS USED IN HYDROCARBON RECOVERY OPERATIONS, CARBON CAPTURE AND SEQUESTRATION, AND GEOTHERMAL APPLICATIONS
Embodiments presented provide for use of fiber optics within the wellbore environment. Embodiments further provide selection of optimal gauge length of fiber optics in hydrocarbon recovery operations, carbon capture and sequestration operations, or geothermal applications. The method includes obtaining data from optical fibers, processing the data using a fixed gauge length, estimating an apparent velocity using the fixed gauge length through an autonomous computing arrangement, estimating a source bandwidth from the apparent velocity through the autonomous computing arrangement to produce a result, establishing a variable gauge length and reference profile for the result, and processing the obtained data with the established variable gauge length to yield a processed optical data set.
E21B 47/125 - 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 using earth as an electrical conductor
E21B 41/00 - Equipment or details not covered by groups
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
A seal for a rotating control device includes a ring having an inner diameter sized to permit a joint of a tubular to pass therethrough, a sealing element coupled to the ring, and configured to seal with the tubular both at the joint and the body, and an insert coupled to the sealing element and at least partially made of a material that is rigid in comparison to the sealing element. The insert includes a plurality of segments that are configured to slide at least radially in response to the sealing element expanding and contracting by engagement with the tubular.
Geopolymer slurry compositions and methods are described herein that can be used for repair operations in previously cemented wells. The compositions and methods comprise geopolymer slurry compositions having a first component comprising an aqueous-based fluid; a second component comprising an aluminosilicate material; and a third component that activates a polymerization reaction in the slurry composition upon contact with a set cementitious material. The third component can include a set cementitious material.
C09K 8/467 - 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 containing additives for specific purposes
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
E21B 33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
C04B 111/00 - Function, property or use of the mortars, concrete or artificial stone
A method can include receiving flow rate estimates from a computational, virtual flow meter at a wellsite; receiving flow rate measurements from a physical flow meter at the wellsite; and calling for calibration of the physical flow meter based on the flow rate estimates and the flow rate measurements.
Embodiments presented provide for an apparatus used for wellbore intervention, evaluation and stimulation. The apparatus provides a tractor mechanism, a power supply, tools and sensors used in evaluation and stimulation activities with hydrocarbon recovery operations.
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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
E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
94.
A LINEAR CUT GENERATION METHOD FOR SENSOR INVERSION CONSTRAINT IMPOSITION
Embodiments presented provide for a method of analysis for methane leaks. The method of analysis includes performing a record generation event, performing a quality assessment of the record generation event, performing a linear cut generation procedure to create a linear cut generation data set, and performing a source term inversion using the linear cut generation data set.
E21B 47/10 - Locating fluid leaks, intrusions or movements
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
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
95.
LEVERAGING FIBER OPTIC-BASED PIPELINE MONITORING FOR MICROSEISMIC MONITORING
Embodiments presented provide for a fiber-optic based pipeline monitoring system and method that senses, records and evaluates micro-seismic events near the monitored pipeline. The method includes locating at least one fiber optic line within an ecosystem of a pipeline, operating the pipeline to carry a fluid through the ecosystem, and monitoring the at least one fiber optic line during the carrying of the fluid through the pipeline. The monitoring the at least one fiber optic line includes obtaining at least one signal from both the pipeline and the ecosystem.
A detonation module for a perforation tool is described herein. The detonation module includes a detonator, a switch circuit disposed in a fluid-sealed housing and electrically coupled to the detonator, a shielding circuit coupled to the switch circuit, an annular electrical contact electrically coupled to the switch circuit, and an annular, electrically conductive, compressive member to form a compressive electrical connection with an end of a perforation unit.
Compositions, methods, and workflows for treating a siliceous geologic formation including flowing a treatment composition into the formation, wherein the treatment composition has a pH of about -1.0 to about 6.0 and includes an acid having molecular weight less than about 200 or an ammonium or sodium salt thereof, an HF source, and a precipitation prevention agent, and a transient modifier, and allowing the transient modifier to modify the permeability of the siliceous formation. The precipitation prevention agent may comprise a chelant or a scale inhibitor. The transient modifier may comprise surfactant, viscoelastic surfactant, a solid, hydrophobic material, an emulsion, a gas, or an energized fluid.
Properties of reservoir rock, hydraulic fracturing materials and a wellbore to be stimulated are determined. One or more preliminary designs for hydraulic fracturing and well production is selected. The data and designs are entered into one or more computer models for calculating well productivity after the hydraulic fracturing treatment. A treatment and well startup design is selected that will provide maximum well productivity, and work proceeds accordingly.
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
A method for estimating a porosity of a rock sample includes acquiring a calibrated digital image of the rock sample, extracting color and texture features from the digital image of the rock sample, and estimating the porosity of the rock sample using a model to evaluate the extracted color features and texture features. The model is configured to correlate digital image color and texture features with porosity.
G01V 5/10 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
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
Geopolymer precursors are presented that are useful for subterranean wells. The precursors contain an aluminosilicate source, an alkali activator, and a carrier fluid. Additives are incorporated into the precursors to induce expansion, self-healing, flexibility, and to improve tensile and shear-bond strength.
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 8/467 - 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 containing additives for specific purposes
C09K 8/42 - Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
patents
