Patents by Inventor Arthur Cheng

Arthur Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10386522
    Abstract: An apparatus and a method for measuring a speed of sound in a fluid in a well bore may include a frame adapted to receive the fluid there through are provided. The apparatus includes an acoustic source mounted on the frame; an acoustic detector to measure a signal propagating through the fluid, the acoustic detector disposed proximate the frame at a known distance from the acoustic source; and a test circuit adapted to synchronize the acoustic detector with a signal propagating through the frame. A method to determine physical properties of a fluid in a geological formation including a shear wave anisotropy in the geological formation and the formation composition using the fluid density and the fluid speed of sound is also provided.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 20, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Li Gao, Michael T. Pelletier, Thurairajasingam Rajasingam, Arthur Cheng, Paul Cooper
  • Patent number: 10352908
    Abstract: An apparatus and a method for measuring a speed of sound in a fluid in a well bore may include a frame adapted to receive the fluid there through are provided. The apparatus includes an acoustic source mounted on the frame; an acoustic detector to measure a signal propagating through the fluid, the acoustic detector disposed proximate the frame at a known distance from the acoustic source; and a test circuit adapted to synchronize the acoustic detector with a signal propagating through the frame. A method to determine physical properties of a fluid in a geological formation including a shear wave anisotropy in the geological formation and the formation composition using the fluid density and the fluid speed of sound is also provided.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: July 16, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Li Gao, Michael T. Pelletier, Thurairajasingam Rajasingam, Arthur Cheng, Paul Cooper
  • Patent number: 10351633
    Abstract: An enzymatically produced soluble ?-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble ?-glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble ?-glucan fiber are also provided.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: July 16, 2019
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Qiong Cheng, Robert Dicosimo, Arthur Ouwehand, Zheng You, Mark S. Payne, Jian Ping Lai, Kristin Ruebling-Jass, Steven Cary Rothman
  • Patent number: 10317555
    Abstract: A method of obtaining an equivalent tool model includes obtaining a set of known well data, in which the known well data includes sensor data measured by a logging tool and an actual dispersion response, and the logging tool has an actual tool size. The method also includes obtaining one or more well parameters from the known well data, and inputting the one or more well parameters and a model tool size into a rigid tool model. The method further includes obtaining an estimated dispersion response from the rigid tool model, and fitting the estimated dispersion response to the actual dispersion response by adjusting the model tool size.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: June 11, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Wei Li, Ruijia Wang, Arthur Cheng, Glenn Andrew Wilson, Chung Chang
  • Patent number: 10267941
    Abstract: Various embodiments include apparatus and methods to estimate formation mobility from Stoneley waveforms. An objective function can be generated that represents misfit between measured Stoneley pressure values and synthetic pressure values. A minimization process can be applied to the objective function to estimate formation mobility and intrinsic attenuation. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: April 23, 2019
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Mark V. Collins, Arthur Cheng
  • Patent number: 9891336
    Abstract: The disclosure addresses multiple embodiments of an acoustic isolator, and an acoustic logging tool which incorporates the acoustic isolator. The acoustic isolator is configured to minimize acoustic transmissions which could otherwise adversely affect acoustical measurements being made by an acoustic receiver. The described acoustic isolators include a plurality of longitudinally arranged mass members coupled to a central supporting structure, in a configuration to reduce acoustic transmissions in at least selected frequency ranges.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: February 13, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Chung Chang, Abbas Arian, Gary Kainer, Paul G. Junghans, Arthur Cheng, Randall Bennett Jones
  • Publication number: 20180031722
    Abstract: Methods and systems for acoustic data analysis are described. An example method includes obtaining digitized acoustic signals corresponding to acoustic signals collected by a logging tool deployed in a downhole environment. The method also includes providing a graphical user interface (GUI) that enables a user to view representations of the digitized acoustic signals and related coherence data. The method also includes receiving user-input regarding adjustment and inversion options for the digitized acoustic signals via a menu of the GUI. The method also includes deriving a shear slowness log for the downhole environment in accordance with the received user-input.
    Type: Application
    Filed: March 17, 2015
    Publication date: February 1, 2018
    Inventors: Rong Shu, Arthur Cheng, William Michael Langley, Jian Liu
  • Publication number: 20170371058
    Abstract: A method of obtaining an equivalent tool model includes obtaining a set of known well data, in which the known well data includes sensor data measured by a logging tool and an actual dispersion response, and the logging tool has an actual tool size. The method also includes obtaining one or more well parameters from the known well data, and inputting the one or more well parameters and a model tool size into a rigid tool model. The method further includes obtaining an estimated dispersion response from the rigid tool model, and fitting the estimated dispersion response to the actual dispersion response by adjusting the model tool size.
    Type: Application
    Filed: January 19, 2016
    Publication date: December 28, 2017
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Wei Li, Ruijia Wang, Arthur Cheng, Glenn Andrew Wilson, Chung Chang
  • Publication number: 20170284193
    Abstract: In some embodiments, a method acquires acoustic data with a receiver. The acoustic data is provided by a down hole tool, comprising the receiver, that can move within a borehole in a geological formation. Quality control workflow charts, representing selected acoustic data related to the down hole tool, the geological formation, and/or the borehole can be displayed, transformation controlled, and analyzed on a monitor. The quality control workflow charts comprise the selected acoustic data and/or transformed versions of signal waveforms of the selected acoustic data.
    Type: Application
    Filed: November 11, 2014
    Publication date: October 5, 2017
    Inventors: Zhijuan Zhang, Rong Shu, Xiaobin Song, Arthur Cheng
  • Patent number: 9757770
    Abstract: Apparatus and techniques are described, such as for obtaining information indicative of an acoustic characteristic of a formation, including using a transducer assembly, comprising a base plate, a first piezoelectric slab and a second piezoelectric slab. The base plate includes a first region extending axially in a first direction beyond the first and second piezoelectric slabs along a specified axis of the base plate and a second region extending axially in a second direction, opposite the first direction, beyond the first and second piezoelectric slabs. In various examples, a length of the first region along the specified axis is different than a length of the second region to provide an asymmetric configuration. In various examples, an anchoring element is mechanically coupled to the base plate at a location corresponding to a node location of a specified acoustic vibration mode.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 12, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Chung Chang, Chen Li, Arthur Cheng, Jing Jin
  • Patent number: 9753170
    Abstract: In some embodiments, an apparatus and a system, as well as a method and an article, may operate to determine a compressional velocity (CV) of a geological formation, to determine a reflection coefficient (RC) associated with the geological formation, and to determine a density of the geological formation based on the CV and the RC. The CV and RC may be determined from values associated with sonic and ultrasonic velocity measurements. Additional apparatus, systems, and methods are described.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: September 5, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Batakrishna Mandal, Arthur Cheng, Nigel Clegg, Jennifer Anne Market
  • Patent number: 9705239
    Abstract: A flexible electrode assembly comprises a central portion having electrical contacts disposed thereon and a plurality of elongated portions extending radially outwards from the central portion. One or more of the elongated portions has an electrode disposed in the vicinity of a distal end thereof. The electrodes are electrically coupled to respective ones of the electrical contacts disposed on the central portion. An apparatus for measuring electrophysiological signals in a human or animal body that incorporates the flexible electrode assembly is also disclosed.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: July 11, 2017
    Assignee: OBJECTIVISION LIMITED
    Inventors: Arthur Cheng, Alexander Klistorner, Stuart Lindsay Graham
  • Patent number: 9631483
    Abstract: Various embodiments include apparatus and methods to process acoustic signals according to joint time-frequency processing. The joint time-frequency processing can combine features of both time-based processing and frequency-based processing. This processing may be based on delay calculation from amplitude phases generated from the acoustic signals. The joint time-frequency processing may be applied to a variety of applications to evaluate properties associated with a borehole or surrounding formations. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: April 25, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Burkay Donderici, Arthur Cheng
  • Patent number: 9631476
    Abstract: Various systems and methods for implementing and using a variable stiffness downhole tool housing include cylindrical segments positioned along a common axis, with a pair of segments each coupled to a bulkhead and positioned at either axial end of the tool housing. The housing also includes a flexible cylindrical sleeve, positioned along the common axis between two of the plurality of cylindrical segments, that includes a first and second region with an outer diameter no larger than a common segment inner diameter and a third region located between the first and second regions and with an outer diameter no larger than a common segment outer diameter (the first and second regions each at least partially inserted into an end of one segment). A stiffness controller controls the stiffness of the tool housing by controlling at least part of an axial force exerted between the two segments.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: April 25, 2017
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Chung Chang, Arthur Cheng, Gary Kainer
  • Patent number: 9529105
    Abstract: Acoustic logging systems and methods are provided with multi-mode inversion for at least vertical shear slowness and shear anisotropy. At least some method embodiments acquire waveforms for multiple acoustic wave modes as a function of tool position in a borehole, derive position-dependent mode dispersion curves from the waveforms, match the derived dispersion curves with parameterized dispersion curves to determine a vertical shear slowness and a shear anisotropy as a function of position, and displaying a borehole log that represents at least one of the vertical shear slowness and the shear anisotropy as a function of position. The objective function employed for the inversion is evaluated across multiple wave propagation modes and mud slownesses and may employ an adaptive, frequency-dependent weighting based on distance between the derived dispersion curves and the parameterized dispersion curves.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: December 27, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Mark Vincent Collins, Arthur Cheng
  • Publication number: 20160363683
    Abstract: Various embodiments include apparatus and methods to estimate formation mobility from Stoneley waveforms. An objective function can be generated that represents misfit between measured Stoneley pressure values and synthetic pressure values. A minimization process can be applied to the objective function to estimate formation mobility and intrinsic attenuation. Additional apparatus, systems, and methods are disclosed.
    Type: Application
    Filed: June 24, 2014
    Publication date: December 15, 2016
    Inventors: Mark V. Collins, Arthur Cheng
  • Patent number: 9519073
    Abstract: In some embodiments, apparatus and systems, as well as methods, may operate to shift signal data associated with a set of receivers, in time or phase with respect to signal data associated with a receiver reference point, to transform the signal data into shifted data, wherein the signal data corresponds to energy waves propagated through a geological formation before being received by the set of receivers; to multiply the shifted data by a complex conjugate of the signal data associated with the receiver reference point to provide differential phase values; to sum and average the differential phase values to provide differential phase semblance values; and to publish the differential phase semblance values, or information derived from the differential phase semblance values to one of a storage medium, a hardcopy printout, or a display. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: December 13, 2016
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Pradip Kumar Mukhopadhyay, Arthur Cheng
  • Patent number: 9513396
    Abstract: In some embodiments, apparatus and systems, as well as methods, may operate to record a plurality of acoustic waveforms comprising cross-dipole waveforms and corresponding to acoustic waves received 5 at azimuthally orthogonal dipole receiver arrays surrounded by a geological formation, the waves being generated by azimuthally orthogonal dipole transmitter arrays. Further activity may include defining an objective function dependent on the cross-dipole waveforms, eigenvalues, an azimuth angle corresponding to an 10 orientation of the transmitter and receiver arrays; minimizing the objective function with respect to said angle and the set of auxiliary parameters; and determining at least one property of the geological formation based on the global minimum. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: December 6, 2016
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Mark V. Collins, Arthur Cheng
  • Patent number: 9470810
    Abstract: In some embodiments, an apparatus and a system, as well as a method and an article, may operate to receive seismic survey data for use with an isotropic velocity model describing a selected geological formation volume. Further activity may include exhaustively searching the seismic survey data to provide an error map, globally optimizing the error map to provide anisotropy parameters for the selected geological formation volume, and inverting the anisotropy parameters to transform the isotropic velocity model into an anisotropic velocity model for the selected geological formation volume. Additional apparatus, systems, and methods are described.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: October 18, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Donghong Pei, Arthur Cheng, Janusz Peron
  • Patent number: 9348052
    Abstract: In some embodiments, apparatus and systems, as well as methods, may operate to record a plurality of acoustic waveforms corresponding to acoustic waves received at azimuthally orthogonal dipole receiver arrays surrounded by a geological formation, the waves being generated by azimuthally orthogonal transmitter arrays. Further activity may include analytically estimating a global minimum of a predefined objective function with respect to an azimuth angle at a point in an auxiliary parameter space associated with a set of auxiliary parameters, minimizing the objective function at the analytically estimated angle with respect to the auxiliary parameters, removing existing ambiguities associated with the fast and slow principal flexural wave axes, and determining at least one property of the geological formation based on the global minimum. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: May 24, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Mark V. Collins, Arthur Cheng