Patents by Inventor David R. Beard
David R. Beard 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).
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Patent number: 11442193Abstract: A downhole tool may comprise a tool body that is a structural support for the downhole tool, an upper arm attached at one end to the tool body, a pad attached at an opposite end of the upper arm, a lower arm attached at one end to a sliding block and attached to the pad at an opposite end of the lower arm, and a passive arm connected to the lower arm and the tool body. A method may comprise disposing a downhole tool into a borehole, applying a force to a passive arm, applying a second force from the passive arm to the lower arm in response to the force applied to the passive arm, and moving the lower arm and the passive arm in a longitudinal direction along an axis of the downhole tool.Type: GrantFiled: May 17, 2019Date of Patent: September 13, 2022Assignee: Halliburton Energy Services, Inc.Inventor: David R. Beard
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Patent number: 11415534Abstract: A method and system for interspersing different wait times in trainlet and partial recovery sequences is provided. The method includes introducing a nuclear magnetic resonance (NMR) tool into a wellbore penetrating a subterranean formation. The method also includes applying an NMR pulse sequence to the subterranean formation using the NMR tool, in which the NMR pulse sequence includes at least two different wait times interspersed between successive sequences of radio frequency (RF) pulses. The method also includes measuring one or more echo signals corresponding to a substance in the subterranean formation based on the applied NMR pulse sequence. The method also includes determining a distribution of a characteristic of the substance based on the measured one or more echo signals.Type: GrantFiled: January 10, 2018Date of Patent: August 16, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Lilong Li, Yuesheng Cheng, David R. Beard, Arcady Reiderman, Songhua Chen
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Publication number: 20220075088Abstract: A downhole tool may comprise a tool body that is a structural support for the downhole tool, an upper arm attached at one end to the tool body, a pad attached at an opposite end of the upper arm, a lower arm attached at one end to a sliding block and attached to the pad at an opposite end of the lower arm, and a passive arm connected to the lower arm and the tool body. A method may comprise disposing a downhole tool into a borehole, applying a force to a passive arm, applying a second force from the passive arm to the lower arm in response to the force applied to the passive arm, and moving the lower arm and the passive arm in a longitudinal direction along an axis of the downhole tool.Type: ApplicationFiled: May 17, 2019Publication date: March 10, 2022Applicant: Halliburton Energy Services, Inc.Inventor: David R. Beard
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Patent number: 10996365Abstract: A logging instrument for estimating a property of a formation is provided. The instrument includes a magnet to generate a magnetic field. The instrument also includes pulse sequencer circuitry that supplies radio frequency (RF) signals. The instrument additionally includes an antenna system configured to transmit the RF signals and to obtain nuclear magnetic resonance (NMR) measurements of the formation in response to the transmitted RF signals. In one aspect, the logging tool contains a temperature sensor configured to obtain temperature measurements of the magnet. The instrument additionally includes a control unit communicatively coupled to the temperature sensor, the antenna system and the pulse sequencer circuitry and configured to receive the temperature measurements and selectively adjust operating parameters of the pulse sequencer circuitry based on the received temperature measurements in order to maintain optimal intensity of the magnetic field.Type: GrantFiled: September 29, 2016Date of Patent: May 4, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Lilong Li, Arcady Reidermann, David R. Beard, Songhua Chen
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Publication number: 20200355635Abstract: A method and system for interspersing different wait times in trainlet and partial recovery sequences is provided. The method includes introducing a nuclear magnetic resonance (NMR) tool into a wellbore penetrating a subterranean formation. The method also includes applying an NMR pulse sequence to the subterranean formation using the NMR tool, in which the NMR pulse sequence includes at least two different wait times interspersed between successive sequences of radio frequency (RF) pulses. The method also includes measuring one or more echo signals corresponding to a substance in the subterranean formation based on the applied NMR pulse sequence. The method also includes determining a distribution of a characteristic of the substance based on the measured one or more echo signals.Type: ApplicationFiled: January 10, 2018Publication date: November 12, 2020Inventors: Lilong Li, Yuesheng Cheng, David R. Beard, Arcady Reiderman, Songhua Chen
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Publication number: 20190049615Abstract: A logging instrument for estimating a property of a formation is provided. The instrument includes a magnet to generate a magnetic field. The instrument also includes pulse sequencer circuitry that supplies radio frequency (RF) signals. The instrument additionally includes an antenna system configured to transmit the RF signals and to obtain nuclear magnetic resonance (NMR) measurements of the formation in response to the transmitted RF signals. In one aspect, the logging tool contains a temperature sensor configured to obtain temperature measurements of the magnet. The instrument additionally includes a control unit communicatively coupled to the temperature sensor, the antenna system and the pulse sequencer circuitry and configured to receive the temperature measurements and selectively adjust operating parameters of the pulse sequencer circuitry based on the received temperature measurements in order to maintain optimal intensity of the magnetic field.Type: ApplicationFiled: September 29, 2016Publication date: February 14, 2019Applicant: Halliburton Energy Services, Inc.Inventors: Lilong Li, Arcady Reidermann, David R. Beard, Songhua Chen
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Patent number: 8862406Abstract: This disclosure relates to apparatuses and methods for reducing current leakage between a measure electrode and a logging tool body during borehole investigations in an earth formation involving electric current and non-conductive drilling fluid. The apparatus may include one or more transmitters disposed on a pad body, configured to inject an electric current into the earth formation, and coupled to the mandrel and one or more measure electrodes. The measure electrodes may be configured to receive current from the formation and coupled to a back plate of the pad body. The apparatus may be configured to maintain a selected ratio between pad body to logging tool body impedance and transmitters to logging tool body impedance sufficient to reduce current leakage between the earth formation and the logging tool body. The transmitter/mandrel and measure electrode/back plate may be electrically isolated from one another. The method may include using the apparatus.Type: GrantFiled: January 9, 2012Date of Patent: October 14, 2014Assignee: Baker Hughes IncorporatedInventors: Gregory B. Itskovich, David R. Beard, Fei Le
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Patent number: 8669765Abstract: An apparatus and method for estimating a parameter of interest of an earth formation. An apparatus includes an elongated support member; a primary transmitter on the elongated support member; and a receiver toroid on the elongated support member, the receiver toroid being positioned transversely on the elongated support member and including a single coil antenna. Methods include positioning a logging tool in a borehole in the earth formation; using a transverse receiver toroid on an elongated support member on the logging tool, wherein the transverse receiver toroid includes a single coil antenna; and producing a signal responsive to an electrical signal produced by a primary transmitter.Type: GrantFiled: March 7, 2011Date of Patent: March 11, 2014Assignee: Baker Hughes IncorporatedInventors: Hans-Martin Maurer, David R. Beard, Rashid W. Khokar
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Patent number: 8547103Abstract: An apparatus and method for estimating a parameter of interest of an earth formation, particularly relating to borehole logging methods and apparatuses for estimating electrical resistivity properties at multiple depths of investigation. The apparatus may include two or more transmitters for introducing electrical current to the earth formation. The apparatus may include a controller configured to deliver an electrical signal to the two or more transmitters either simultaneously or sequentially. The controller may deliver an electrical signal to two or more transmitters at the same frequency for estimating depth of investigation. The apparatus may include one or more receivers responsive to electric signals from the earth formation at one or more frequencies to provide data from one or more depths of investigation. The method may include steps for using the apparatus to obtain data that may be used to estimate the parameter of interest.Type: GrantFiled: March 7, 2011Date of Patent: October 1, 2013Assignee: Baker Hughes IncorporatedInventors: Hans-Martin Maurer, David R. Beard
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Patent number: 8427164Abstract: In aspects, an apparatus for use in a wellbore for determining a property of an earth formation is provided. The apparatus, in one embodiment, may include a tool body including a transmitter configured to induce electromagnetic waves in an earth formation, a receiver configured to provide signals responsive to the induced electromagnetic waves, a conductive member between the transmitter and the receiver extending radially from the tool body and configured to reduce propagation of eddy currents between the transmitter and the receiver when the tool body is in a wellbore and a processor configured to process the signals provided by the receiver to determine the property of the earth formation.Type: GrantFiled: July 8, 2010Date of Patent: April 23, 2013Assignee: Baker Hughes IncorporatedInventors: Sheng Fang, David R. Beard
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Publication number: 20130013210Abstract: This disclosure relates to apparatuses and methods for reducing current leakage between a measure electrode and a logging tool body during borehole investigations in an earth formation involving electric current and non-conductive drilling fluid. The apparatus may include one or more transmitters disposed on a pad body, configured to inject an electric current into the earth formation, and coupled to the mandrel and one or more measure electrodes. The measure electrodes may be configured to receive current from the formation and coupled to a back plate of the pad body. The apparatus may be configured to maintain a selected ratio between pad body to logging tool body impedance and transmitters to logging tool body impedance sufficient to reduce current leakage between the earth formation and the logging tool body. The transmitter/mandrel and measure electrode/back plate may be electrically isolated from one another. The method may include using the apparatus.Type: ApplicationFiled: January 9, 2012Publication date: January 10, 2013Applicant: BAKER HUGHES INCORPORATEDInventors: Gregory B. Itskovich, David R. Beard, Fei Le
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Publication number: 20120081121Abstract: An apparatus and method for estimating a parameter of interest of an earth formation, particularly relating to borehole logging methods and apparatuses for estimating electrical resistivity properties at multiple depths of investigation. The apparatus may include two or more transmitters for introducing electrical current to the earth formation. The apparatus may include a controller configured to deliver an electrical signal to the two or more transmitters either simultaneously or sequentially. The controller may deliver an electrical signal to two or more transmitters at the same frequency for estimating depth of investigation. The apparatus may include one or more receivers responsive to electric signals from the earth formation at one or more frequencies to provide data from one or more depths of investigation. The method may include steps for using the apparatus to obtain data that may be used to estimate the parameter of interest.Type: ApplicationFiled: March 7, 2011Publication date: April 5, 2012Applicant: BAKER HUGHES INCORPORATEDInventors: Hans-Martin Maurer, David R. Beard
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Patent number: 8030938Abstract: An apparatus for imaging a subsurface material traversed by a borehole, the apparatus including an imaging pad deployed by a logging instrument, the pad including a plurality of measuring sets, each measuring set including a first current injector electrode, a second current injector electrode, a pair of sensor electrodes disposed between the first current injector electrode and the second current injector electrode, and an output for coupling to an electronics unit adapted for producing the imaging of the subsurface material.Type: GrantFiled: March 26, 2008Date of Patent: October 4, 2011Assignee: Baker Hughes IncorporatedInventors: Alexandre N. Bespalov, David R. Beard, Randy Gold, Gregory B. Itskovich, Tsili Wang
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Publication number: 20110221442Abstract: An apparatus and method for estimating a parameter of interest of an earth formation, particularly relating to borehole logging methods and apparatuses for estimating electrical resistivity properties using at least one transverse toroid. The apparatus may include one or more transmitters for introducing electrical current to the earth formation. The transverse toroid may detect responsive electric signals from the earth formation at one or more frequencies and provide data from one or more depths of investigation. Further multiple transverse toroids may be used for detecting electric signals from a larger azimuthal range than a single transverse toroid. The method includes steps for using the apparatus to obtain data that may be used to estimate the parameter of interest.Type: ApplicationFiled: March 7, 2011Publication date: September 15, 2011Applicant: BAKER HUGHES INCORPORATEDInventors: Hans-Martin Maurer, David R. Beard, Rashid W. Khokar
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Publication number: 20110006775Abstract: In aspects, an apparatus for use in a wellbore for determining a property of an earth formation is provided. The apparatus, in one embodiment, may include a tool body including a transmitter configured to induce electromagnetic waves in an earth formation, a receiver configured to provide signals responsive to the induced electromagnetic waves, a conductive member between the transmitter and the receiver extending radially from the tool body and configured to reduce propagation of eddy currents between the transmitter and the receiver when the tool body is in a wellbore and a processor configured to process the signals provided by the receiver to determine the property of the earth formation.Type: ApplicationFiled: July 8, 2010Publication date: January 13, 2011Applicant: BAKER HUGHES INCORPORATEDInventors: Sheng Fang, David R. Beard
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Patent number: 7834622Abstract: A magnet assembly for measuring properties of a formation from a borehole, the magnet assembly including a first device and a second device, each device adapted for insertion into the borehole, the first device producing a first magnetic field, the second device producing a second magnetic field; wherein the second magnetic field is configurable for one of reinforcing and reducing the first magnetic field; and wherein the first device comprises a permanent magnet and the second device comprises at least one of one of a switchable magnet and switching windings.Type: GrantFiled: October 18, 2007Date of Patent: November 16, 2010Assignee: Baker Hughes IncorporatedInventors: Arcady Reiderman, David R. Beard, Carl M. Edwards
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Publication number: 20090243619Abstract: An apparatus for imaging a subsurface material traversed by a borehole, the apparatus including an imaging pad deployed by a logging instrument, the pad including a plurality of measuring sets, each measuring set including a first current injector electrode, a second current injector electrode, a pair of sensor electrodes disposed between the first current injector electrode and the second current injector electrode, and an output for coupling to an electronics unit adapted for producing the imaging of the subsurface material.Type: ApplicationFiled: March 26, 2008Publication date: October 1, 2009Applicant: BAKER HUGHES INCORPORATEDInventors: Alexandre N. Bespalov, David R. Beard, Randy Gold, Gregory B. Itskovich, Tsili Wang
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Publication number: 20090102478Abstract: A magnet assembly for measuring properties of a formation from a borehole, the magnet assembly including a first device and a second device, each device adapted for insertion into the borehole, the first device producing a first magnetic field, the second device producing a second magnetic field; wherein the second magnetic field is configurable for one of reinforcing and reducing the first magnetic field; and wherein the first device comprises a permanent magnet and the second device comprises at least one of one of a switchable magnet and switching windings.Type: ApplicationFiled: October 18, 2007Publication date: April 23, 2009Applicant: BAKER HUGHES INCORPORATEDInventors: Arcady Reiderman, David R. Beard, Carl M. Edwards
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Patent number: 7425827Abstract: The quality factor of a NMR-antenna depends upon mud conductivity, formation resistivity and the borehole size. The Q of the antenna is measured. From measurement of one of formation conductivity or borehole size, the other can be determined.Type: GrantFiled: September 29, 2006Date of Patent: September 16, 2008Assignee: Baker Hughes IncorporatedInventors: Songhua Chen, Carl M. Edwards, Thomas Kruspe, Martin Blanz, Holger F. Thern, David R. Beard
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Publication number: 20070279063Abstract: A resistivity imaging tool determines formation resistivity by evaluating the resonant frequency and the quality factor of a resonant circuit associated with a current electrode. A planar coil electrode may be used to provide the necessary inductance and capacitance for the resonant circuit.Type: ApplicationFiled: June 1, 2006Publication date: December 6, 2007Applicant: Baker Hughes IncorporatedInventor: David R. Beard