Patents Examined by Lina M Cordero
  • Patent number: 11512587
    Abstract: A system includes a sensor carrier and an integrated data recorder. The sensor carrier includes an outer sub body and an inner sub body. The inner sub body is coupled to the outer sub body by a support leg. The inner sub body includes a recess formed therein. The sensor carrier includes a flow path defined as the space between the outer sub body, the inner sub body, and the support leg. The integrated data recorder is positioned within the recess of the inner sub body such that the integrated data recorder is substantially at the centerline of the sensor carrier. The integrated data recorder includes a sensor package including one or more drilling dynamics sensors, a processor, a memory module, and an electrical energy source.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: November 29, 2022
    Inventors: Chad Feddema, Stephen Jones, Junichi Sugiura
  • Patent number: 11500364
    Abstract: Indexes having local features are automatically selected from sensor data of a plurality of sensors. Sensor data of the plurality of sensors, each associated with the plurality of indexes, is partitioned into a plurality of blocks. A principal component analysis is applied to the sensor data of each of the partitioned blocks and a plurality of principal components are extracted from each of the blocks. A migration distance evaluation unit extracts, from two different blocks, two principal components that form a principal component pair, and calculates a migration distance between each of the principal components regarding the extracted principal component pair. A migration factor index detection unit detects, as a migration factor index, an index among the plurality of indexes configuring the principal components having a large migration distance among the migration distances between each of the principal components calculated by the migration distance evaluation unit.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: November 15, 2022
    Assignee: HITACHI, LTD.
    Inventors: Takuya Komatsuda, Machiko Asaie, Keiro Muro
  • Patent number: 11494679
    Abstract: Embodiments disclosed herein generally relate to a method and system for oil and gas predictive analytics. A computer system receives a set of production information for a well located in a region. The computing system generates a set of general reference groups comprising one or more reference wells for the region. The computing system determines whether the set of production information for the well includes the threshold amount of production information. The computing system selects a subset of reference wells from the general reference groups based on one or more traits of the well. The computing system generates a reference curve based on the set of production information associated with each reference well in the subset of reference wells. The computing system fits a decline curve to the reference curve, to determine an estimated ultimate recovery of the well.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: November 8, 2022
    Assignee: RS Energy Group Topco, Inc. CA
    Inventors: Jingwen Zheng, Qi Zong, Stephen Michael Main
  • Patent number: 11487030
    Abstract: Disclosed are methods and systems for detecting and predicting events of increased seismic activity (i.e. earthquake activity). The methods include providing data catalogs, constructing magnitude versus time coordinate graphs, identifying energy levels of the graphs, and identifying further the obliquity angles of maximum and minimum energy levels and average increments between minimum and maximum energy levels. The methods also comprise constructing time arrows using the identified information, identifying energy centers via the time arrows, and analyzing variability throughout the seismic structure to predict a future event. Also disclosed are methods for predicting events based on attenuation wedge and energy parallelogram analysis.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: November 1, 2022
    Inventor: Vadim Kukharev
  • Patent number: 11480868
    Abstract: A computer-implemented method for determining optical roughness in a semiconductor pattern structure that includes receiving, using a processor, optical responses spectra collected from the semiconductor pattern structure and constructing, using the processor optical critical dimension (OCD) models by using a set of input parameters for each layer of the semiconductor pattern structure. The method further includes calculating, using the processor, theoretical optical responses from a theoretical input generated by the OCD models. In addition, the method provides for comparing, using the processor, the optical responses spectra of the semiconductor pattern structure to the theoretical optical responses to determine output parameters for the optical roughness of the semiconductor pattern structure.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 25, 2022
    Inventors: Ravi K. Bonam, Gangadhara Raja Muthinti
  • Patent number: 11480697
    Abstract: A plurality of electrochemical corrosion protection systems (30) for underground buried structure installed geographically dispersed are utilized so as to predict an earthquake. Changes in amounts of current flowing through closed loop electric circuits (W) for electrochemical corrosion protection in the electrochemical corrosion protection systems (30) are detected and an earthquake is predicted based on the detected changes in the amounts of current.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: October 25, 2022
    Assignees: Genesis Research Institute, Inc., Toyota Jidosha Kabushiki Kaisha, Shinshu University
    Inventors: Hitoshi Kondo, Yuji Enomoto
  • Patent number: 11474268
    Abstract: Techniques are disclosed for reducing noise when computing time-lapse differences between two or more geophysical surveys performed over the same region. In some computer-implemented embodiments, a time-lapse difference is determined between first and second data representing the first and second surveys, respectively. Based on geometry information corresponding to the second survey, first estimated data is generated representing how the first data would have looked if the second survey geometry had been used during the first survey. A noise model is generated based on differences between the first data and the first estimated data. The time-lapse difference is then adjusted using the noise model, thereby reducing noise in the time-lapse difference caused by differences between the geometries of the first and second surveys.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: October 18, 2022
    Assignee: PGS Geophysical AS
    Inventors: Jyoti Kumar, Didier Lecerf
  • Patent number: 11474267
    Abstract: A method and a system for implementing the method are disclosed wherein the seismic input data and land acquisition input data may be obtained from a non-flat surface, sometimes mild or foothill topography as well as the shot and receiver lines might not necessarily be straight, and often curve to avoid obstacles on the land surface. In particular, the method and system disclosed, decomposes the cross-spread data into sparse common spread beams, then maps those sparse beams into common-spread depth domain, in order to finally stack them to construct the subsurface depth images. The common spread beam migration and processing have higher signal to noise ratio, as well as faster turn-around processing time, for the cross-spread land acquisition over the common-shot or common offset beam migration/processing. The common spread beam migration method and system disclosed, will eventually help illuminate and interpret the hydro-carbonate targets for the seismic processing.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: October 18, 2022
    Inventor: Xiang Xiao
  • Patent number: 11467298
    Abstract: The present application provides a vector denoising method and a vector denoising device for multicomponent seismic data, which relate to the field of seismic data processing technologies. The vector denoising method for multicomponent seismic data includes: decomposing multicomponent seismic gather data to obtain a plurality of small multicomponent seismic data; obtaining quaternary frequency domain seismic data by performing a quaternary Fourier transformation according to each of the plurality of small multicomponent seismic data; extracting frequency slices from the quaternary frequency domain seismic data in a quaternary frequency domain, and filtering the frequency slices by using a Cadzow filtering method to obtain filtered quaternary frequency domain seismic data; and performing an inverse quaternary Fourier transformation on the filtered quaternary frequency domain seismic data to obtain filtered seismic data of each component.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: October 11, 2022
    Inventors: Chao Wang, Yun Wang
  • Patent number: 11460603
    Abstract: The present application relates to method for computing the factor of safety of a slope including the following steps. Step 1: input parameters of a slope. Step 2: formulae a formula of stability number N into a target function and determine constrained conditions of geometric parameters ? and ?. Step 3: obtain a minimum stability number N. Step 4: determine a position of a critical slip surface. Step 5: transform the critical slip surface defined by ?, ? and n into a critical slip surface defined by R, xc and yc, and compute overturning moments of slid masses above and below external water level of the critical slip surface. Step 6: resolve an equivalent unit weight. Step 7: resolve the factor of safety FS.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: October 4, 2022
    Assignees: Chengdu University of Technology, Shanghai Dianji University, State Grid Sichuan Electric Power Research Institute
    Inventors: Wei Wang, Denwood Vaughan Griffiths, WangZhifu Yang, Xianghang Bu
  • Patent number: 11459870
    Abstract: One or more first formation measurements sensitive to around a sensor string of a drill string deployed in a subsurface formation is received, A 1-D inversion of the first formation measurements is performed at a first reference point. One or more second formation measurements sensitive to ahead of a drill bit of the drill string deployed in the subsurface formation is received. A 1-D inversion of the second formation measurements is performed at a second reference point ahead of the drill bit of the sensor string to determine formation properties ahead of the drill bit, wherein the 1-D inversion of the second formation measurements is based on inversion results associated with the 1-D inversion of the first formation measurements.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 4, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jin Ma, Michael S Bittar, Hsu-Hsiang Wu
  • Patent number: 11454111
    Abstract: A method and system for forming Representative Elemental Length (REL) of well data. The method may comprise inputting log data from a borehole in a formation into an information handling system, identifying an initial length of the REL section and divide the log data into a plurality of REL investigation sections that are of substantially equal length, calculating an average value of a formation property for each of the plurality of REL investigation sections, and selecting a maximum value and a minimum value of the REL investigation sections. The method may further comprise checking the maximum value and the minimum value are stable, deriving the formation property for each of the REL sections as an output, and forming a model of the formation from each of the REL sections. The system may comprise a downhole device, configured to take measurements of a formation, and an information handling system.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: September 27, 2022
    Assignee: Landmark Graphics Corporation
    Inventors: Wan Wei, Travis St. George Ramsay, Naveen Krishnaraj, Vitor Ribeiro Silos, Milena Ferreira Siqueira
  • Patent number: 11448013
    Abstract: A method for maintaining a penetration rate of a drilling operation, where the drilling operation is carried out by a drilling rig having a hammer drill apparatus. A reference penetration rate for the hammer drill bit is chosen. A starting depth of cut is computed from the reference penetration rate, the measured hammer frequency, and the drill bit parameters. The system measures the actual penetration rate of the drill bit and computes an actual depth of cut. From the actual depth of cut a target bit rotation speed is computed. The target rotation speed is compared to the actual rotation speed, and the rotation speed is adjusted up or down to set the bit rotation speed at a value that will maintain the target rotation speed, notwithstanding changes in hammer frequency or ground conditions.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 20, 2022
    Assignee: Epiroc Drilling Solutions, LLC
    Inventor: Peter D. Miller
  • Patent number: 11435262
    Abstract: A method for assessing preload degradation of a ball screw is to be implemented by a computer device. The method includes: obtaining an entry of time-domain vibration data based on a vibration signal which is related to vibrations of balls of the ball screw; obtaining an entry of frequency-domain vibration derived data based on the time-domain vibration data; obtaining a vibration eigenvector based on the entry of frequency-domain vibration derived data; performing preload assessment based on the vibration eigenvector, reference vibration vectors and a preload assessment range to obtain a result of the preload assessment; and determining whether preload degradation has occurred on the ball screw based on the result of the preload assessment.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: September 6, 2022
    Assignee: Hiwin Technologies Corp.
    Inventor: Yu-Hsin Lin
  • Patent number: 11415721
    Abstract: The present disclosure discloses a resistivity measurement method, device and system. The method comprises: placing a core to be measured into the core holder after a 100% saturated water treatment, and injecting a predetermined confining pressure by the confining pressure pump; turning on the displacement source to carry out a displacement, and at an interval of a predetermined time period, acquiring a current value by the ammeter and a voltage value by the voltmeter; determining a resistivity of the core according to the current value, the voltage value, an arc length of the curved electrode, and a radius and a length of the core. The present disclosure can realize a rock resistivity measurement in a vertical direction under formation conditions for a plunger-type core, without needing to change the core preparation technology or method.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: August 16, 2022
    Assignees: PetroChina Company Limited, Sichuan Kelite Oil and Gas Technology Co. Ltd
    Inventors: Jiahuan He, Keming Zhou, Li Zeng, Yong Duan, Nong Li, Fusen Xiao, Hongbin Chen, Huajie Yu, Chunyan Zou
  • Patent number: 11415124
    Abstract: A detection apparatus includes a suction pressure acquirer configured to acquire suction pressure data indicating suction pressure of a pump, and a detector configured to detect occurrence of cavitation in the pump based on a variation coefficient of the suction pressure data during a detection target period.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 16, 2022
    Assignee: Yokogawa Electric Corporation
    Inventors: Hiromitsu Ogawa, Soichiro Konada, Norio Tanaka, Takaaki Matsuda
  • Patent number: 11402297
    Abstract: A wear detection method and system for a linear actuator such as a pneumatic cylinder, a hydraulic cylinder, an electric cylinder or the like. A physical amount detection sensor 9 is mounted on a linear actuator in which a push-pull member connected to a rod 2 pushes and pulls a pressure-receiving object while applying a lateral load in a direction different from the linear movement direction. An external force that is generated between a tube and the mounting member when the pressure-receiving object is pushed and pulled is detected by the physical amount detection sensor 9 and compared with standard external force data, which was detected in a state without abnormalities and stored in a computation/storage/determination processing device 10, to computationally determine whether the linear actuator is in a normal state or an abnormal state.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 2, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Masahiko Nagasaka, Hiroyasu Makino, Katsuaki Odagi, Tomoyuki Yokomae
  • Patent number: 11391859
    Abstract: A transmitter of a downhole tool inserted in a borehole of a geological formation transmits a first signal. A receiver of the downhole tool receives a second signal, where the second signal is induced by the first signal in the geological formation. A simple response matrix is determined based on the second signal, where the simple response matrix includes a plurality of response components. One or more of the response components are combined and a modified response matrix is formed by replacing one or more of the plurality of response components in the simple response matrix with a linear combination of the response components of the simple response matrix. The modified response matrix is inverted and an indication of formation properties in the geological formation is output.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: July 19, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Li Pan, Hsu-Hsiang Wu, Weixin Dong, YiJing Fan
  • Patent number: 11385050
    Abstract: A position-measuring device includes a graduation carrier which is non-rotatably connectable to a shaft and has a measuring graduation that is disposed radially about an axis of rotation of the shaft in a mounted state of the graduation carrier. A first scanner is configured to generate position signals by scanning the measuring graduation. A position-processor is configured to process the position signals into absolute, digital position values. An interface is configured to communicate with subsequent electronics. A second scanner is configured to generate measurement signals that are dependent on a position of a machine part by scanning a measurement target on the machine part. An analyzer is configured to process the measurement signals into a measurement value indicative of a position and/or a change in the position of the measurement target relative to the second scanner, and to output the measurement value to the interface.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: July 12, 2022
    Inventors: Werner Schwaiger, Gregor Rosenegger, Andreas Mitterer, Ludwig Schmidt, Erich Strasser
  • Patent number: 11387653
    Abstract: A device for testing a power module of a set of power modules connected together includes reactive power compensation means capable of compensating the reactive power transferred between a tested power module and the other power modules, and means for monitoring the power generated by the tested power module including means for comparing said generated power with at least one threshold value.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: July 12, 2022
    Inventor: Regis Peron