Patents by Inventor Douglas J. Patterson
Douglas J. Patterson 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: 11822032Abstract: Methods, systems, devices, and products for hydrocarbon tubular evaluation. Methods comprise conveying the logging tool in the tubular with a carrier; inducing with a transmitter a horizontal shear (SH) wave; identifying higher order SH mode signals received at a plurality of offset receivers responsive to a higher order SH mode engendered by the horizontal shear (SH) wave; estimating a dominant frequency for higher order SH mode from the higher order SH mode signals; estimating a group velocity for the higher order SH mode from the higher order SH mode signals; and estimating a tubular parameter using the dominant frequency and the group velocity. The tubular parameter may be at least tubular thickness. The method includes estimating the tubular parameter independent of the fundamental horizontal shear wave mode (SH0).Type: GrantFiled: November 8, 2018Date of Patent: November 21, 2023Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Wei Han, Douglas J. Patterson
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Patent number: 11719090Abstract: Methods and apparatus for inspecting oilfield infrastructure components. Methods include methods of identifying a micro-annulus outside a casing in a cemented wellbore. Methods may include transmitting an acoustic pulse incident on the casing; making a measurement of a first acoustic impedance property value from pulse-echo information generated responsive to an echo of the acoustic pulse reflected from the casing; propagating a circumferential guided wave in the casing; making a measurement of a second acoustic impedance property value from propagating wave information generated responsive to the propagating acoustic wave; and determining from the first acoustic impedance value and the second acoustic impedance value a presence of a micro-annulus between the casing and the cement.Type: GrantFiled: March 18, 2020Date of Patent: August 8, 2023Assignee: Baker Hughes Oilfield Operations LLCInventors: Pawel J. Matuszyk, Douglas J. Patterson
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Patent number: 11378708Abstract: Methods, systems, and devices for downhole evaluation using a sensor assembly that includes a sensor plate, wherein a surface of the sensor plate forms a portion of a surface of a downhole tool. Methods include bringing the surface of the sensor plate into contact with downhole fluid; generating a guided wave that propagates in the sensor plate by activating the sensor assembly at at least one frequency configured to excite both a symmetric mode and an anti-symmetric mode; making at least one first attenuation measurement of the symmetric mode of the guided wave; making at least one second attenuation measurement of the anti-symmetric mode of the guided wave; and using the at least one first attenuation measurement and the at least one second attenuation measurement to estimate at least one parameter of interest of the fluid. Methods may include submerging the surface of the sensor plate in a downhole fluid.Type: GrantFiled: December 20, 2018Date of Patent: July 5, 2022Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Xiaochu Yao, Douglas J. Patterson, Pawel J. Matuszyk
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Patent number: 11359484Abstract: An apparatus for monitoring deployment of filtration media at least partially surrounding a tubular disposed in a borehole penetrating the earth includes a carrier configured to be conveyed through the tubular, a low-frequency acoustic wave source disposed on the carrier and configured to transmit acoustic waves in a frequency that is less than 3000 Hz into the tubular, and an acoustic wave receiver disposed on the carrier a distance from the low-frequency acoustic wave source and configured to receive acoustic waves transmitted by the low-frequency acoustic wave source. The apparatus also includes a controller configured to compare data characterizing the received acoustic waves to reference data characterizing acoustic waves with the filtration media not deployed.Type: GrantFiled: November 19, 2019Date of Patent: June 14, 2022Assignee: BAKER HUGHES, A GE COMPANY, LLCInventor: Douglas J. Patterson
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Patent number: 11066920Abstract: Methods and apparatus for inspecting oilfield infrastructure components. Methods include estimating an optimal value for at least one excitation parameter for an acoustic excitation source to produce a guided wave of mixed multiple modes in the component; selecting at least one excitation parameter corresponding to an optimal simulated guided wave determined in dependence upon the application of waveform criteria to the time domain waveforms; and generating a guided wave in the tubular using the at least one optimal excitation parameter. Methods may include calculating a guided wave dispersion relation; modeling each of the plurality of simulated guided waves, wherein the modeling comprises generating a time domain waveform for each of a plurality of wave modes in dependence upon the acoustic excitation source; selecting the at least one excitation parameter corresponding to an optimal simulated guided wave determined in dependence upon the application of waveform criteria to the time domain waveforms.Type: GrantFiled: November 10, 2017Date of Patent: July 20, 2021Assignee: BAKER HUGHES HOLDINGS LLCInventors: Xiaochu Yao, Pawel J. Matuszyk, Douglas J. Patterson, Rajdeep Das
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Publication number: 20200300077Abstract: Methods and apparatus for inspecting oilfield infrastructure components. Methods include methods of identifying a micro-annulus outside a casing in a cemented wellbore. Methods may include transmitting an acoustic pulse incident on the casing; making a measurement of a first acoustic impedance property value from pulse-echo information generated responsive to an echo of the acoustic pulse reflected from the casing; propagating a circumferential guided wave in the casing; making a measurement of a second acoustic impedance property value from propagating wave information generated responsive to the propagating acoustic wave; and determining from the first acoustic impedance value and the second acoustic impedance value a presence of a micro-annulus between the casing and the cement.Type: ApplicationFiled: March 18, 2020Publication date: September 24, 2020Applicant: Baker Hughes Oilfield Operations LLCInventors: Pawel J. Matuszyk, Douglas J. Patterson
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Publication number: 20200157935Abstract: An apparatus for monitoring deployment of filtration media at least partially surrounding a tubular disposed in a borehole penetrating the earth includes a carrier configured to be conveyed through the tubular, a low-frequency acoustic wave source disposed on the carrier and configured to transmit acoustic waves in a frequency that is less than 3000 Hz into the tubular, and an acoustic wave receiver disposed on the carrier a distance from the low-frequency acoustic wave source and configured to receive acoustic waves transmitted by the low-frequency acoustic wave source. The apparatus also includes a controller configured to compare data characterizing the received acoustic waves to reference data characterizing acoustic waves with the filtration media not deployed.Type: ApplicationFiled: November 19, 2019Publication date: May 21, 2020Applicant: Baker Hughes, a GE company, LLCInventor: Douglas J. Patterson
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Publication number: 20200150304Abstract: Methods, systems, devices, and products for hydrocarbon tubular evaluation. Methods comprise conveying the logging tool in the tubular with a carrier; inducing with a transmitter a horizontal shear (SH) wave; identifying higher order SH mode signals received at a plurality of offset receivers responsive to a higher order SH mode engendered by the horizontal shear (SH) wave; estimating a dominant frequency for higher order SH mode from the higher order SH mode signals; estimating a group velocity for the higher order SH mode from the higher order SH mode signals; and estimating a tubular parameter using the dominant frequency and the group velocity. The tubular parameter may be at least tubular thickness. The method includes estimating the tubular parameter independent of the fundamental horizontal shear wave mode (SH0).Type: ApplicationFiled: November 8, 2018Publication date: May 14, 2020Applicant: Baker Hughes, a GE company, LLCInventors: Wei Han, Douglas J. Patterson
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Patent number: 10605944Abstract: Methods and apparatus for performing formation evaluation in a borehole intersecting an earth formation. Methods may include exciting at a first borehole depth at least one critical refraction wave by steering an acoustic beam transmitted by at least one ultrasonic transmitter to an interface in the formation to intercept the interface at a critical angle; receiving an acoustic signal comprising critical refraction wave data at a logging tool in the borehole; and obtaining a wave property measurement from the critical refraction wave data. The interface may be the borehole wall in an open-hole well or behind casing. Methods include using ultrasonic transmitter(s) to generate the plurality of acoustic beams, identifying critical refraction wave data within the response signal corresponding to the at least one critical refraction wave, and obtaining the wave property measurement from the critical refraction wave data.Type: GrantFiled: June 23, 2017Date of Patent: March 31, 2020Assignee: Baker Hughes, a GE company, LLCInventors: Wei Han, Jason M. Harris, Douglas J. Patterson, Stephen Dymmock, John Dahl
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Patent number: 10557959Abstract: Systems and methods for determining physical properties of a material in contact with an external surface of a casing disposed in a borehole including inducing, with a transducer, a first shear horizontal (SH) wave in the casing at a first SH order, measuring, with a sensor disposed on the casing, an attenuation of the first SH wave to generate a first measurement, inducing a second SH wave in the casing at a second SH order that is different from the first SH order, measuring an attenuation of the second SH wave to generate a second measurement, and extracting a physical properties of the material in contact with the external surface of the casing from the first and second measurements.Type: GrantFiled: December 9, 2016Date of Patent: February 11, 2020Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Paweł Jerzy Matuszyk, Douglas J. Patterson
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Publication number: 20200033494Abstract: Methods and apparatuses for evaluating an earth formation intersected by a borehole. Methods include estimating a property of cement surrounding a tubular in the earth formation by: generating an acoustic signal with a logging tool in the borehole; estimating the property in dependence upon a late reflected wave field of a modified response acoustic signal, wherein the modified response acoustic signal is produced by suppression of a direct mode component.Type: ApplicationFiled: July 26, 2019Publication date: January 30, 2020Applicant: Baker Hughes, a GE compnay, LLCInventors: Douglas J. Patterson, Xiaochu Yao, Pawel J. Matuszyk, Roger Steinsiek, Howard B. Glassman
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Patent number: 10436018Abstract: Systems, devices, and methods for estimating a value of a downhole parameter of interest. Aspects include an apparatus for evaluating a tubular. The apparatus may include a sensor including an electromagnetic acoustic transducer (EMAT) device configured to be conveyed into the tubular. The EMAT device may include measurement circuitry comprising at least one conductive coil; and a magnet array comprising magnets arranged with a corresponding direction of magnetization of each magnet oriented according to a configuration producing a greater magnetic flux on a first side of the array than on a second side opposing the first side. The magnetic flux produced from the second side may be substantially zero. In embodiments, the configuration of magnets comprises at least a first set of permanent magnets in a linear Halbach configuration.Type: GrantFiled: October 7, 2016Date of Patent: October 8, 2019Assignee: Baker Hughes, a GE company, LLCInventors: Babak Kouchmeshky, Xiaochu Yao, Stanislav Forgang, Pawel J. Matuszyk, Marc S. Ramirez, Otto N. Fanini, Douglas J. Patterson, Vimal Shah
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Patent number: 10416330Abstract: A transducer assembly for downhole imaging includes a 1-3 Piezoelectric composite transducer of high Q ceramic rods in a polymer matrix. The assembly also includes a Teflon® window, a fluid-filled cavity adjacent to the window, and impedance matching material between the composite transducer and the fluid. The transducer is positioned to reduce the reverberation time.Type: GrantFiled: February 25, 2009Date of Patent: September 17, 2019Assignee: Baker Hughes, a GE company, LLCInventors: Roger R. Steinsiek, Douglas J. Patterson, Charles E. Redding, Anjani R. Achanta
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Publication number: 20190196041Abstract: Methods, systems, and devices for downhole evaluation using a sensor assembly that includes a sensor plate, wherein a surface of the sensor plate forms a portion of a surface of a downhole tool. Methods include bringing the surface of the sensor plate into contact with downhole fluid; generating a guided wave that propagates in the sensor plate by activating the sensor assembly at at least one frequency configured to excite both a symmetric mode and an anti-symmetric mode; making at least one first attenuation measurement of the symmetric mode of the guided wave; making at least one second attenuation measurement of the anti-symmetric mode of the guided wave; and using the at least one first attenuation measurement and the at least one second attenuation measurement to estimate at least one parameter of interest of the fluid. Methods may include submerging the surface of the sensor plate in a downhole fluid.Type: ApplicationFiled: December 20, 2018Publication date: June 27, 2019Applicant: Baker Hughes, a GE company, LLCInventors: Xiaochu Yao, Douglas J. Patterson, Pawel J. Matuszyk
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Patent number: 10302792Abstract: Systems, devices and methods for evaluating an earth formation intersected by a borehole. Method include detecting a reflective boundary in the earth formation by: generating a multipole acoustic signal with a logging tool in the borehole; identifying a shear wave signal resulting from shear body waves reflected in the formation in a near-field region of the formation around the borehole responsive to the generated multipole acoustic signal; and estimating at least a depth along the borehole of the boundary based on the shear wave signal. The boundary may have an angle of incidence with respect to the borehole of greater than 70 degrees. The boundary may be at least one of i) a fracture; and ii) a fault. The method may include evaluating the boundary using at least one attribute of the shear wave signal and the estimated depth.Type: GrantFiled: June 9, 2016Date of Patent: May 28, 2019Assignee: Baker Hughes, a GE company, LLCInventors: Douglas J. Patterson, Eduardo A. Cazeneuve
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Publication number: 20190145241Abstract: Methods and apparatus for inspecting oilfield infrastructure components. Methods include estimating an optimal value for at least one excitation parameter for an acoustic excitation source to produce a guided wave of mixed multiple modes in the component; selecting at least one excitation parameter corresponding to an optimal simulated guided wave determined in dependence upon the application of waveform criteria to the time domain waveforms; and generating a guided wave in the tubular using the at least one optimal excitation parameter. Methods may include calculating a guided wave dispersion relation; modeling each of the plurality of simulated guided waves, wherein the modeling comprises generating a time domain waveform for each of a plurality of wave modes in dependence upon the acoustic excitation source; selecting the at least one excitation parameter corresponding to an optimal simulated guided wave determined in dependence upon the application of waveform criteria to the time domain waveforms.Type: ApplicationFiled: November 10, 2017Publication date: May 16, 2019Applicant: Baker Hughes, a GE company, LLCInventors: Xiaochu YAO, Pawel J. MATUSZYK, Douglas J. PATTERSON, Rajdeep DAS
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Patent number: 10222501Abstract: Systems, devices, and methods for evaluating an earth formation intersected by a borehole using signals produced at a plurality of borehole depths by an ultrasonic transducer in the borehole, the signals produced by the transducer including ringdown signals from the ultrasonic transducer and echo signals from a wall of the borehole from a plurality of azimuthal orientations.Type: GrantFiled: January 18, 2017Date of Patent: March 5, 2019Assignee: Baker Hughes, a GE company, LLCInventors: Zhijuan Zhang, Douglas J. Patterson, Roger R. Steinsiek, Wei Han
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Publication number: 20180372902Abstract: Methods and apparatus for performing formation evaluation in a borehole intersecting an earth formation. Methods may include exciting at a first borehole depth at least one critical refraction wave by steering an acoustic beam transmitted by at least one ultrasonic transmitter to an interface in the formation to intercept the interface at a critical angle; receiving an acoustic signal comprising critical refraction wave data at a logging tool in the borehole; and obtaining a wave property measurement from the critical refraction wave data. The interface may be the borehole wall in an open-hole well or behind casing. Methods include using ultrasonic transmitter(s) to generate the plurality of acoustic beams, identifying critical refraction wave data within the response signal corresponding to the at least one critical refraction wave, and obtaining the wave property measurement from the critical refraction wave data.Type: ApplicationFiled: June 23, 2017Publication date: December 27, 2018Applicant: BAKER HUGHES INCORPORATEDInventors: Wei Han, Jason M. Harris, Douglas J. Patterson, Stephen Dymmock, John Dahl
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Publication number: 20180164462Abstract: Systems and methods for determining physical properties of a material in contact with an external surface of a casing disposed in a borehole including inducing, with a transducer, a first shear horizontal (SH) wave in the casing at a first SH order, measuring, with a sensor disposed on the casing, an attenuation of the first SH wave to generate a first measurement, inducing a second SH wave in the casing at a second SH order that is different from the first SH order, measuring an attenuation of the second SH wave to generate a second measurement, and extracting a physical properties of the material in contact with the external surface of the casing from the first and second measurements.Type: ApplicationFiled: December 9, 2016Publication date: June 14, 2018Applicant: Baker Hughes IncorporatedInventors: Pawel Jerzy Matuszyk, Douglas J. Patterson
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Publication number: 20180100387Abstract: Systems, devices, and methods for estimating a value of a downhole parameter of interest. Aspects include an apparatus for evaluating a tubular. The apparatus may include a sensor including an electromagnetic acoustic transducer (EMAT) device configured to be conveyed into the tubular. The EMAT device may include measurement circuitry comprising at least one conductive coil; and a magnet array comprising magnets arranged with a corresponding direction of magnetization of each magnet oriented according to a configuration producing a greater magnetic flux on a first side of the array than on a second side opposing the first side. The magnetic flux produced from the second side may be substantially zero. In embodiments, the configuration of magnets comprises at least a first set of permanent magnets in a linear Halbach configuration.Type: ApplicationFiled: October 7, 2016Publication date: April 12, 2018Applicant: BAKER HUGHES INCORPORATEDInventors: BABAK KOUCHMESHKY, XIAOCHU YAO, STANISLAV FORGANG, PAWEL J. MATUSZYK, MARC S. RAMIREZ, OTTO N. FANINI, DOUGLAS J. PATTERSON, VIMAL SHAH