| Patent | Date |
|---|
Downhole fluid density and viscosity sensor based on ultrasonic plate waves
Grant 11,378,708 - Yao , et al. July 5, 2 | 2022-07-05 |
Expandable filtration media and gravel pack analysis using low frequency acoustic waves
Grant 11,359,484 - Patterson June 14, 2 | 2022-06-14 |
Guided wave attenuation well logging excitation optimizer based on waveform modeling
Grant 11,066,920 - Yao , et al. July 20, 2 | 2021-07-20 |
Enhanced Cement Bond And Micro-annulus Detection And Analysis
App 20200300077 - Matuszyk; Pawel J. ; et al. | 2020-09-24 |
Expandable Filtration Media And Gravel Pack Analysis Using Low Frequency Acoustic Waves
App 20200157935 - Patterson; Douglas J. | 2020-05-21 |
Casing Wall Thickness Detection From Higher Order Shear-horizontal Mode Signals
App 20200150304 - Han; Wei ; et al. | 2020-05-14 |
Formation acoustic property measurement with beam-angled transducer array
Grant 10,605,944 - Han , et al. | 2020-03-31 |
Evaluation of physical properties of a material behind a casing utilizing guided acoustic waves
Grant 10,557,959 - Matuszyk , et al. Feb | 2020-02-11 |
Through Tubing Cement Evaluation Using Seismic Methods
App 20200033494 - Patterson; Douglas J. ; et al. | 2020-01-30 |
Downhole electromagnetic acoustic transducer sensors
Grant 10,436,018 - Kouchmeshky , et al. O | 2019-10-08 |
Composite transducer for downhole ultrasonic imaging and caliper measurement
Grant 10,416,330 - Steinsiek , et al. Sept | 2019-09-17 |
Downhole Fluid Density And Viscosity Sensor Based On Ultrasonic Plate Waves
App 20190196041 - Yao; Xiaochu ; et al. | 2019-06-27 |
Detection of high incident reflective boundaries using near-field shear waves
Grant 10,302,792 - Patterson , et al. | 2019-05-28 |
Guided Wave Attenuation Well Logging Excitation Optimizer Based on Waveform Modeling
App 20190145241 - YAO; Xiaochu ; et al. | 2019-05-16 |
Televiewer image wood-grain reduction techniques
Grant 10,222,501 - Zhang , et al. | 2019-03-05 |
Formation Acoustic Property Measurement With Beam-angled Transducer Array
App 20180372902 - Han; Wei ; et al. | 2018-12-27 |
Evaluation Of Physical Properties Of A Material Behind A Casing Utilizing Guided Acoustic Waves
App 20180164462 - Matuszyk; Pawel Jerzy ; et al. | 2018-06-14 |
Downhole Electromagnetic Acoustic Transducer Sensors
App 20180100387 - KOUCHMESHKY; BABAK ; et al. | 2018-04-12 |
Acoustic wave imaging of formations
Grant 9,885,795 - Mekic , et al. February 6, 2 | 2018-02-06 |
Televiewer Image Wood-grain Reduction Techniques
App 20170212263 - ZHANG; ZHIJUAN ; et al. | 2017-07-27 |
Fracture evaluation through cased boreholes
Grant 9,670,770 - Mekic , et al. June 6, 2 | 2017-06-06 |
Detection of High Incident Reflective Boundaries Using Near-Field Shear Waves
App 20160363684 - PATTERSON; DOUGLAS J. ; et al. | 2016-12-15 |
Method and system for delineating a second wellbore from a first wellbore
Grant 9,030,911 - Tang , et al. May 12, 2 | 2015-05-12 |
Acoustic Wave Imaging Of Formations
App 20150109886 - Mekic; Natasa ; et al. | 2015-04-23 |
Low frequency formation shear slowness from drilling noise derived quadrupole array data
Grant 8,944,183 - Geerits , et al. February 3, 2 | 2015-02-03 |
Fracture Evaluation Through Cased Boreholes
App 20150013974 - Mekic; Natasa ; et al. | 2015-01-15 |
Televiewer image wood-grain reduction techniques
Grant 8,913,461 - Steinsiek , et al. December 16, 2 | 2014-12-16 |
Radon migration of acoustic data
Grant 8,880,348 - Bolshakov , et al. November 4, 2 | 2014-11-04 |
Early kick detection in an oil and gas well
Grant 8,794,062 - DiFoggio , et al. August 5, 2 | 2014-08-05 |
Televiewer Image Wood-grain Reduction Techniques
App 20140104978 - STEINSIEK; ROGER R. ; et al. | 2014-04-17 |
Televiewer image wood-grain reduction techniques
Grant 8,634,272 - Steinsiek , et al. January 21, 2 | 2014-01-21 |
Method and apparatus for acoustic impedance and P-wave anisotropy measurements
Grant 8,576,659 - Egerev , et al. November 5, 2 | 2013-11-05 |
Curve-fitting technique for determining dispersion characteristics of guided elastic waves
Grant 8,456,952 - Tang , et al. June 4, 2 | 2013-06-04 |
Methodologies to Improve Reliability of Transducer Electrical Interconnections
App 20130099791 - Tse; Laam Angela ; et al. | 2013-04-25 |
Arranging Source-Receiver Orientations to Reduce High-Order Modes in Acoustic Monopole Logging
App 20130070560 - Zheng; Yibing ; et al. | 2013-03-21 |
Method and apparatus for determining radial shear velocity variation from dipole acoustic logging
Grant 8,379,483 - Tang , et al. February 19, 2 | 2013-02-19 |
Electromagnetic linear drive source for logging-while-drilling/wireline acoustic applications
Grant 8,261,873 - Richenstev , et al. September 11, 2 | 2012-09-11 |
Radon Migration Of Acoustic Data
App 20120109528 - Bolshakov; Alexei ; et al. | 2012-05-03 |
Low Frequency Formation Shear Slowness From Drilling Noise Derived Quadrupole Array Data
App 20120037423 - Geerits; Theodorus W. ; et al. | 2012-02-16 |
Casing thickness evaluation method
Grant 8,061,206 - Bolshakov , et al. November 22, 2 | 2011-11-22 |
Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic logging
Grant 8,004,932 - Zheng , et al. August 23, 2 | 2011-08-23 |
Method and apparatus for characterizing and estimating permeability using LWD Stoneley-wave data
Grant 7,970,544 - Tang , et al. June 28, 2 | 2011-06-28 |
Integrating Multiple Data Sources for Drilling Applications
App 20110108325 - Hartmann; Andreas ; et al. | 2011-05-12 |
Active noise cancellation through the use of magnetic coupling
Grant 7,911,877 - Patterson , et al. March 22, 2 | 2011-03-22 |
Method and Apparatus for Determining Radial Shear Velocity Variation From Dipole Acoustic Logging
App 20100309748 - Tang; Xiao Ming ; et al. | 2010-12-09 |
Casing Thickness Evaluation Method
App 20100263449 - Bolshakov; Alexei ; et al. | 2010-10-21 |
Televiewer Image Wood-Grain Reduction Techniques
App 20100265796 - Steinsiek; Roger R. ; et al. | 2010-10-21 |
Method and Apparatus for Acoustic Impedance and P-Wave Anisotropy Measurements
App 20100246325 - Egerev; Sergey ; et al. | 2010-09-30 |
Method and apparatus for cement evaluation using multiple acoustic wave types
Grant 7,773,454 - Barolak , et al. August 10, 2 | 2010-08-10 |
Electromagnetic Linear Drive Source for Logging-While-Drilling/Wireline Acoustic Applications
App 20100142319 - Richenstev; Valeriy ; et al. | 2010-06-10 |
Active Noise Cancellation Through the Use of Magnetic Coupling
App 20100097887 - Patterson; Douglas J. ; et al. | 2010-04-22 |
Novel Curve-fitting Technique For Determining Dispersion Characteristics Of Guided Elastic Waves
App 20100085835 - Tang; Xiao Ming ; et al. | 2010-04-08 |
Casing resonant radial flexural modes in cement bond evaluation
Grant 7,681,450 - Bolshakov , et al. March 23, 2 | 2010-03-23 |
Using statistics of a fitting function for data-driven dispersion slowness processing
Grant 7,672,784 - Zheng , et al. March 2, 2 | 2010-03-02 |
Wave analysis using phase velocity processing
Grant 7,646,673 - Akhmetsafin , et al. January 12, 2 | 2010-01-12 |
Active noise cancellation through the use of magnetic coupling
Grant 7,639,562 - Patterson , et al. December 29, 2 | 2009-12-29 |
VSP pattern recognition in absolute time
Grant 7,633,834 - Mathiszik , et al. December 15, 2 | 2009-12-15 |
Method And System For Delineating A Second Wellbore From A First Wellbore
App 20090296522 - Tang; Xiao Ming ; et al. | 2009-12-03 |
P-wave anisotropy determination using borehole measurements
Grant 7,626,886 - Dubinsky , et al. December 1, 2 | 2009-12-01 |
Micro-Annulus Detection Using Lamb Waves
App 20090231954 - Bolshakov; Alexei ; et al. | 2009-09-17 |
Composite Transducer for Downhole Ultrasonic Imaging and Caliper Measurement
App 20090213690 - Steinsiek; Roger R. ; et al. | 2009-08-27 |
Acoustic Imaging Away From the Borehole Using a Low-Frequency Quadrupole Excitation
App 20090205899 - Geerits; Tim W. ; et al. | 2009-08-20 |
Methods And Apparatus For High-speed Telemetry While Drilling
App 20090195408 - Patterson; Douglas J. ; et al. | 2009-08-06 |
Identification of Stress in Formations Using Angles of Fast and Slow Dipole Waves in Borehole Acoustic Logging
App 20090185446 - Zheng; Yibing ; et al. | 2009-07-23 |
Early Kick Detection in an Oil and Gas Well
App 20090173150 - DiFoggio; Rocco ; et al. | 2009-07-09 |
Sensors For Estimating Properties Of A Core
App 20090105955 - Castillo; Homero C. ; et al. | 2009-04-23 |
Method for processing acoustic reflections in array data to image near-borehole geological structure
Grant 7,492,664 - Tang , et al. February 17, 2 | 2009-02-17 |
VSP Pattern Recognition in Absolute Time
App 20090034366 - Mathiszik; Holger ; et al. | 2009-02-05 |
Method and Apparatus for Characterizing and Estimating Permeability Using LWD Stoneley-Wave Data
App 20090005995 - Tang; Xiao Ming ; et al. | 2009-01-01 |
Imaging Near-Borehole Reflectors Using Shear Wave Reflections From a Multi-Component Acoustic Tool
App 20080151690 - Tang; Xiao Ming ; et al. | 2008-06-26 |
Wave analysis using phase velocity processing
App 20080123468 - Akhmetsafin; Rais ; et al. | 2008-05-29 |
Using statistics of a fitting function for data-driven dispersion slowness processing
App 20080010021 - Zheng; Yibing ; et al. | 2008-01-10 |
Method and apparatus for generation of acoustic shear waves through casing using physical coupling of vibrating magnets
Grant 7,311,143 - Engels , et al. December 25, 2 | 2007-12-25 |
Active noise cancellation through the use of magnetic coupling
App 20070280049 - Patterson; Douglas J. ; et al. | 2007-12-06 |
P-wave anisotropy evaluation by measuring acoustic impedance of the rock by beam-steering from within the borehole at different angles
App 20070280048 - Dubinsky; Vladimir ; et al. | 2007-12-06 |
Casing resonant radial flexural modes in cement bond evaluation
App 20070131417 - Bolshakov; Alexei ; et al. | 2007-06-14 |
Method for processing acoustic reflections in array data to image near-borehole geological structure
App 20070097788 - Tang; Xiao Ming ; et al. | 2007-05-03 |
Method and apparatus for LWD shear velocity measurement
Grant 6,985,086 - Tang , et al. January 10, 2 | 2006-01-10 |
Dynamic acoustic logging using a feedback loop
App 20050226098 - Engels, Ole G. ; et al. | 2005-10-13 |
Method and apparatus for generation of acoustic shear waves through casing using physical coupling of vibrating magnets
App 20050205268 - Engels, Ole ; et al. | 2005-09-22 |
Method and apparatus for LWD shear velocity measurement
Grant 6,930,616 - Tang , et al. August 16, 2 | 2005-08-16 |
Method and apparatus for generating acoustic signals for LWD shear velocity measurement
Grant 6,909,666 - Dubinsky , et al. June 21, 2 | 2005-06-21 |
Method and apparatus for LWD shear velocity measurement
App 20050078555 - Tang, Xiao Ming ; et al. | 2005-04-14 |
Method and apparatus for LWD shear velocity measurement
Grant 6,850,168 - Tang , et al. February 1, 2 | 2005-02-01 |
Method and apparatus for generating acoustic signals for LWD shear velocity measurement
App 20040257912 - Dubinsky, Vladimir ; et al. | 2004-12-23 |
Method and apparatus for LWD shear velocity measurement
App 20040257911 - Tang, Xiao Ming ; et al. | 2004-12-23 |
Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications
Grant 6,769,497 - Dubinsky , et al. August 3, 2 | 2004-08-03 |
Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications
App 20020195276 - Dubinsky, Vladimir ; et al. | 2002-12-26 |
Method and apparatus for LWD shear velocity measurement
App 20020113717 - Tang, Xiao Ming ; et al. | 2002-08-22 |
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