Patents Examined by Regis J Betsch
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Patent number: 11966828Abstract: Permeability values are estimated based on well logs using regression algorithms, such as gradient boosting and random forest. The training data is selected from well logs for which core-analysis-based permeability values are available. The estimated permeability values are used to plan hydrocarbon production. The well logs used to build the depth blended model may include total porosity, gamma ray, volume of calcite, density, resistivity, and neutron logs. Selecting the training data may include grouping the well logs according to regions expected to have similar characteristics, choosing a subset of the well logs corresponding to wells expected to provide stable models according to pre-determined criteria, and/or identifying training zones on the chosen well logs according to one or more rules. Validation and consistency checks may also be performed.Type: GrantFiled: February 11, 2020Date of Patent: April 23, 2024Assignees: CGG SERVICES SAS, KUWAIT GULF OIL COMPANYInventors: Chiranjith Ranganathan, Francisco Brito, Ahmad S D S M Albussairi
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Patent number: 11965949Abstract: An approach to estimate noise, Rician signal bias and true signal in magnitude signal data obtained with magnetic resonance imaging. The method uses multiple measurements at different scan parameter settings, also referred to as weightings, and an iterative algorithm to estimate noise, expected signal and associated Rician signal bias. Measurements at all measured weighting levels contribute to the ultimate estimation of the bias-free signal decay function. Therefore, of the so processed magnetic resonance image data, weighted signals can be computed at arbitrary weighting levels and with considerably better signal-to-noise ratio than the originally obtained data at corresponding weightings. Bias-free weighted image data at desired weighting levels, maps of the decay function fit parameters, or maps of a combination of such decay function parameters can be used for rapid and highly sensitive tissue characterization.Type: GrantFiled: April 25, 2019Date of Patent: April 23, 2024Inventor: Stephan Maier
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Patent number: 11959378Abstract: A method and system to be used in well inspection. An acoustic signal is transmitted from a well inspection tool into a well structure and one or more return signals is detected using at least one receiver. At least one processor is used to generate variable density log (VDL) data that includes multiple waveforms in a time domain from the one or more return signals. A number of independent components to be used based on variances in the VDL data is determined and the multiple waveforms are decomposed into multiple components associated with one or more local structure variances of the well structure using independent component analysis (ICA) and the number of independent components. Characteristics of the well structure is determined based in part on patterns or features associated with one or more independent components from the multiple components.Type: GrantFiled: November 30, 2022Date of Patent: April 16, 2024Assignee: Baker Hughes Oilfield Operations LLCInventors: Baoyan Li, Elan Yogeswaren, Marc Ramirez, Freddy Mendez
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Patent number: 11946735Abstract: Disclosed is a method fir measuring a deviation angle of a fatigue microcrack based on nonlinear ultrasound, comprising: preliminarily positioning a fatigue microcrack to obtain a center of the microcrack; selecting a horizontal positive direction, and defining an orientation angle; drawing a positive circumference on a surface of a metal plate, and selecting a fixed interval angle; placing an excitation sensor and a receiving sensor on the drawn positive circumference according to the orientation angle; ultrasonically testing each group of ultrasonic sensing paths, and recording time domain waveform signals formed by each group of ultrasonic sensing paths; converting each group of time domain waveform signals into a corresponding frequency domain graph, extracting an ultrasonic fundamental wave signal amplitude and a second harmonic waveform amplitude, and calculating a relative nonlinear coefficient; drawing an orientation angle-relative nonlinear coefficient polar coordinate graph; and determining a deviatType: GrantFiled: November 3, 2022Date of Patent: April 2, 2024Assignee: Southwest Jiaotong UniversityInventors: Guoqing Gou, Feifei Qiu, Bing Chen, Yuzi Hu, Zhongyin Zhu, Junjun Jin
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Patent number: 11939858Abstract: A method for identifying defects in a multi-barrier wellbore includes receiving log data, the log data corresponding to one or more wellbore operations, the log data including data from at least one measurement modality corresponding to a present measurement modality. The method also includes training, using the log data, a machine learning model. The method further includes acquiring wellbore data, via the present measurement modality, during a logging operation. The method also includes processing at least a portion of the wellbore data using the trained machine learning model. The method includes identifying one or more features of interest in the wellbore data, via the trained machine learning model.Type: GrantFiled: December 9, 2020Date of Patent: March 26, 2024Assignee: Baker Hughes Oilfield Operations LLCInventors: Peng Yuan, Jaehyuk Lee, Feyzi Inanc
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Patent number: 11927531Abstract: A degradation status of a casing containing fresh items is to be grasped. An information processing device includes: an internal information acquisition unit acquiring internal information, which is information regarding an inside of a casing containing a fresh item in a refrigerated state or a frozen state; and a degradation information generation unit generating information regarding degradation of the casing based on the internal information acquired by the internal information acquisition unit. The internal information acquisition unit acquires, as the internal information, atmosphere information, which is information regarding an atmosphere inside the casing, and the degradation information generation unit generates the information regarding the degradation based on the atmosphere information.Type: GrantFiled: March 31, 2021Date of Patent: March 12, 2024Assignee: Daikin Industries, Ltd.Inventors: Hidenori Matsui, Kiichirou Satou, Shouichi Tanno
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Patent number: 11927711Abstract: Apparatus, methods, and systems for determining body wave slowness values for a target formation zone. A method includes selecting a target axial resolution based on the size of a receiver array, obtaining a plurality of waveform data sets corresponding to a target formation zone and each acquired at a different shot position, reconstructing the plurality of waveform data sets to generate a plurality of subarray data sets corresponding to the target formation zone, determining a slowness value for each subarray data set and determining a slowness versus offset value for each subarray data set. The method may also include generating a borehole model having at least one alteration formation zone and a virgin formation zone and generating a slowness versus offset model based at least in part on the borehole model. The method may also include determining a radial depth of the alteration formation zone.Type: GrantFiled: May 21, 2019Date of Patent: March 12, 2024Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Ruijia Wang, Baichun Sun
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Patent number: 11927437Abstract: Disclosed is a system and method for ultrasonic measurement of the average diameter and surface profile of a tube. A calibration block is used to calibrate the average tube diameter, and a correction is applied to account for any temperature difference of the couplant between calibration and test measurements. By using a linear probe, or a single probe with a finely pitched helicoidal scan, errors in diameter measurement due to presence of surface pits may be compensated.Type: GrantFiled: April 2, 2021Date of Patent: March 12, 2024Assignee: Evident Scientific, Inc.Inventors: Jinchi Zhang, Nicolas Badeau
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Patent number: 11921247Abstract: Embodiments presented provide for a fully automated method of high-resolution interval velocity estimation for vertical seismic profile-type data.Type: GrantFiled: February 2, 2021Date of Patent: March 5, 2024Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Takashi Mizuno, Joel Herve Le Calvez
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Patent number: 11914090Abstract: Processes and systems described herein are directed to performing marine surveys with marine vibrators that emit orthogonal coded pseudo-random sweeps. In one aspect, coded pseudo-random signals are generated based on coded pseudo-random sequences. The coded pseudo-random sequences are used to activate the marine vibrators in a body of water above a subterranean formation. The activated marine vibrators generate orthogonal coded pseudo-random sweeps. A wavefield emitted from the subterranean formation in response to the orthogonal coded pseudo-random sweeps is detected at receivers located in a body of water. Seismic signals generated by the receivers may be cross-correlated with a signature of one of the orthogonal coded pseudo-random sweeps to obtain seismic data with incoherent residual noise.Type: GrantFiled: August 19, 2020Date of Patent: February 27, 2024Assignee: PGS Geophysical ASInventors: Okwudili Orji, Endrias G. Asgedom, Walter Söllner
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Patent number: 11906423Abstract: Methods, assemblies, and controllers may be used for determining and using standardized spectral responses for calibration of spectroscopic analyzers. The methods, assemblies, and controllers may be used to calibrate or recalibrate a spectroscopic analyzer when the spectroscopic analyzer changes from a first state to a second state, the second state being defined as a period of time after a change to the spectroscopic analyzer causing a need to calibrate or recalibrate the spectroscopic analyzer. The calibration or recalibration may result in the spectroscopic analyzer outputting a standardized spectrum, such that the spectroscopic analyzer outputs a corrected material spectrum for an analyzed material, and defining the standardized spectrum.Type: GrantFiled: November 23, 2022Date of Patent: February 20, 2024Assignee: MARATHON PETROLEUM COMPANY LPInventors: Roy Roger Bledsoe, Jr., Lance T. Campbell, Randy N. Ridge, Brian K. Wilt
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Patent number: 11899140Abstract: Provided herein is a system and method for determining whether a sensor is calibrated and error handling of an uncalibrated sensor. The system comprises a sensor system comprising a sensor and an analysis engine configured to determine whether the sensor is uncalibrated. The system further comprises an error handling system configured to perform an error handling in response to the sensor system determining that the sensor is uncalibrated. The method comprises determining, by a sensor system, whether the sensor is uncalibrated, and performing, by an error handling system, an error handling in response to the sensor system determining that the sensor is uncalibrated.Type: GrantFiled: August 22, 2022Date of Patent: February 13, 2024Assignee: Pony AI Inc.Inventors: Pingfan Meng, Zhenhao Pan
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Patent number: 11899097Abstract: A distance measurement device of an embodiment includes a first device including a first reference signal source and a first transmitter-receiver, a second device including a second reference signal source and a second transmitter-receiver, and a calculation unit configured to calculate a distance between the first device and the second device. One of a first distance measurement signal and a second distance measurement signal is transmitted once or more, and another is transmitted twice or more. The calculation unit calculates the distance based on a total of three or more pieces of first phase information and second phase information acquired through transmission of the distance measurement signals three times or more in total, a first sampling period based on a first reference signal, and a second sampling period based on a second reference signal.Type: GrantFiled: March 12, 2021Date of Patent: February 13, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Shoji Ootaka, Masaki Nishikawa, Katsuya Nonin, Hiroshi Yoshida, Masayoshi Oshiro
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Patent number: 11885739Abstract: Methods and assemblies may be used for determining and using standardized spectral responses for calibration of spectroscopic analyzers. The methods and assemblies may be used to calibrate or recalibrate a spectroscopic analyzer when the spectroscopic analyzer changes from a first state to a second state, the second state being defined as a period of time after a change to the spectroscopic analyzer causing a need to calibrate or recalibrate the spectroscopic analyzer. The calibration or recalibration may result in the spectroscopic analyzer outputting a standardized spectrum, such that the spectroscopic analyzer outputs a corrected material spectrum for an analyzed material, and defining the standardized spectrum. The corrected material spectrum may include signals indicative of material properties of an analyzed material, the material properties of the material being substantially consistent with material properties of the material output by the spectroscopic analyzer in the first state.Type: GrantFiled: November 16, 2022Date of Patent: January 30, 2024Assignee: MARATHON PETROLEUM COMPANY LPInventors: Roy Roger Bledsoe, Jr., Lance T. Campbell, Randy N. Ridge, Brian K. Wilt
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Patent number: 11879838Abstract: A method for vicarious spatial characterization of a remote sensor system. The method includes detecting, via the remote sensor system, radiation reflected from at least one body of water corresponding to a plurality of point reflector images, selecting a set of point reflector images from the plurality of point reflector images, the selected set of point reflector images corresponding to sub-pixel point reflector images, analyzing the selected set of point reflector images by executing an algorithm for fitting the point reflector images to obtain a point spread function of the remote sensor system, and determining a spatial characteristic of the remote sensor system based on the point spread function.Type: GrantFiled: April 13, 2021Date of Patent: January 23, 2024Assignee: RAYTHEON COMPANYInventors: Randall W. Zywicki, Stephen J. Schiller
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Patent number: 11880012Abstract: A method for extracting a downgoing wavelet and attenuation parameters from VSP data, comprising: performing upgoing and downgoing P-waves separation processing on VSP data to obtain downgoing P-wave data; performing a FFT on seismic data with a preset time window length and cut from the downgoing P-wave data to obtain FFT transformed downgoing P-wave data and a multi-trace downgoing P-wave log spectrum; subtracting a downgoing wavelet log spectrum from the multi-trace downgoing P-wave log spectrum to obtain a wavelet-corrected multi-trace downgoing P-wave log spectrum; performing a correction and an inverse FFT on the FFT transformed downgoing P-wave data to obtain a downgoing wavelet; and obtaining attenuation parameters based on P-wave first arrival time and the parameters of the wavelet-corrected multi-trace downgoing P-wave log spectrum. Also provided are an apparatus for extracting a downgoing wavelet and attenuation parameters from VSP data and a computer device.Type: GrantFiled: January 19, 2021Date of Patent: January 23, 2024Assignee: CHINA NATIONAL PETROLEUM CORPORATIONInventors: Yanpeng Li, Jing Wang
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Patent number: 11873711Abstract: Apparatus and methods to investigate a multiple nested conductive pipe structure can be implemented in a variety of applications. An electromagnetic pulsed tool disposed in the multiple nested conductive pipe structure in a wellbore can make a set of log measurements and provide a measured log at different depths in the multiple nested conductive pipe structure. The total thickness of the multiple nested conductive pipes can be determined at each depth in the measured log using a remote field eddy current look-up curve. The remote field eddy current look-up curve can be correlated to a remote field eddy current regime in time-domain associated with time decay response. Additional apparatus, systems, and methods are disclosed.Type: GrantFiled: October 24, 2016Date of Patent: January 16, 2024Assignee: Halliburton Energy Services , Inc.Inventors: Ahmed Elsayed Fouda, Burkay Donderici
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Patent number: 11859772Abstract: A method is provided for detecting obstructions in a gas network with sensors, which determine the physical parameters of the gas. The gas network includes controllable throttle valves and with state sensors, which can register the status of throttle valves. The method includes: a training phase in which a mathematical model is established between the measurements of sensors in which one or a plurality of adjustable throttle valves are controlled to generate obstructions; and an operational phase in which the mathematical model established between the measurements of the first and second groups are used to detect obstructions in the gas network. The operational phase includes: calculating the reading of the first and second groups of sensors using the mathematical model; determining the difference between the calculated and read values; and determining the existence of an obstruction on the basis of the aforementioned difference.Type: GrantFiled: November 26, 2019Date of Patent: January 2, 2024Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAPInventors: Philippe Geuens, Ebrahim Louarroudi
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Patent number: 11860069Abstract: Methods and assemblies may be used for determining and using standardized spectral responses for calibration of spectroscopic analyzers. The methods and assemblies may be used to calibrate or recalibrate a spectroscopic analyzer when the spectroscopic analyzer changes from a first state to a second state, the second state being defined as a period of time after a change to the spectroscopic analyzer causing a need to calibrate or recalibrate the spectroscopic analyzer. The calibration or recalibration may result in the spectroscopic analyzer outputting a standardized spectrum, such that the spectroscopic analyzer outputs a corrected material spectrum for an analyzed material, and defining the standardized spectrum. The corrected material spectrum may include signals indicative of material properties of an analyzed material, the material properties of the material being substantially consistent with material properties of the material output by the spectroscopic analyzer in the first state.Type: GrantFiled: November 16, 2022Date of Patent: January 2, 2024Assignee: MARATHON PETROLEUM COMPANY LPInventors: Roy Roger Bledsoe, Jr., Lance T. Campbell, Randy N. Ridge, Brian K. Wilt
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Patent number: 11860149Abstract: Embodiments described herein include a system for dynamic real-time water-cut monitoring that includes a plurality of sensors for sensing pressure across a pipe that includes logic that causes the system to determine whether to use a direct approach for determining water-cut. In some embodiments, in response to determining not to use the direct approach, the logic causes the system to determine an initial guess for water-cut, estimate at least one dynamic pressure loss across the distance, estimate at least one potential energy pressure loss across the distance, estimate a value for water-cut from the at least one dynamic pressure loss and the at least one potential energy pressure loss, determine whether the initial guess is within a predetermined threshold of the value for water-cut, and in response to determining that the initial guess is within the predetermined threshold of the value for water-cut, output the value for water-cut.Type: GrantFiled: March 8, 2021Date of Patent: January 2, 2024Assignee: Saudi Arabian Oil CompanyInventors: Ali M. Al Shahri, Anas A. Al Shuaibi, Mohammed S. Kanfar, Kalid Saad Dosary, Abdulaziz A. Alsaleh