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Ultrasonic Waveform Processing Using Deconvolution In Downhole Environments
App 20210356617 - WILSON; GLENN ANDREW ; et al. | 2021-11-18 |
Method and apparatus for the downhole in-situ determination of the speed of sound in a formation fluid
Grant 10,386,522 - Gao , et al. A | 2019-08-20 |
Method and apparatus for the downhole in-situ determination of the speed of sound in a formation fluid
Grant 10,352,908 - Gao , et al. July 16, 2 | 2019-07-16 |
Method of minimizing tool response for downhole logging operations
Grant 10,317,555 - Li , et al. | 2019-06-11 |
Estimate of formation mobility from Stoneley waveforms
Grant 10,267,941 - Collins , et al. | 2019-04-23 |
Acoustic isolator for downhole tools
Grant 9,891,336 - Chang , et al. February 13, 2 | 2018-02-13 |
Systems And Methods Employing A Menu-based Graphical User Interface (gui) To Derive A Shear Slowness Log
App 20180031722 - Shu; Rong ; et al. | 2018-02-01 |
Method of Minimizing Tool Response for Downhole Logging Operations
App 20170371058 - Li; Wei ; et al. | 2017-12-28 |
Collection And Display Of Acoustic Data For Integrated Quality Control
App 20170284193 - Zhang; Zhijuan ; et al. | 2017-10-05 |
Asymmetric bender bar transducer
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Sourceless density determination apparatus, methods, and systems
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Flexible electrode assembly and apparatus for measuring electrophysiological signals
Grant 9,705,239 - Cheng , et al. July 11, 2 | 2017-07-11 |
Variable stiffness downhole tool housing
Grant 9,631,476 - Chang , et al. April 25, 2 | 2017-04-25 |
Joint time-frequency processing for borehole acoustic arrays
Grant 9,631,483 - Donderici , et al. April 25, 2 | 2017-04-25 |
Acoustic logging systems and methods employing multi-mode inversion for anisotropy and shear slowness
Grant 9,529,105 - Collins , et al. December 27, 2 | 2016-12-27 |
Estimate Of Formation Mobility From Stoneley Waveforms
App 20160363683 - Collins; Mark V. ; et al. | 2016-12-15 |
Differential phase semblance apparatus, systems, and methods
Grant 9,519,073 - Mukhopadhyay , et al. December 13, 2 | 2016-12-13 |
Formation property determination apparatus, methods, and systems
Grant 9,513,396 - Collins , et al. December 6, 2 | 2016-12-06 |
Data double-searching apparatus, methods, and systems
Grant 9,470,810 - Pei , et al. October 18, 2 | 2016-10-18 |
Analytic estimation apparatus, methods, and systems
Grant 9,348,052 - Collins , et al. May 24, 2 | 2016-05-24 |
Asymmetric Bender Bar Transducer
App 20160114354 - Chang; Chung ; et al. | 2016-04-28 |
Acoustic receiver assembly for downhole tools
Grant 9,322,947 - Chang , et al. April 26, 2 | 2016-04-26 |
Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection
Grant 9,322,807 - Lu , et al. April 26, 2 | 2016-04-26 |
Acoustic Isolator For Downhole Tools
App 20160003960 - Chang; Chung ; et al. | 2016-01-07 |
Method And Apparatus For The Downhole In-situ Determination Of The Speed Of Sound In A Formation Fluid
App 20150331132 - Gao; Li ; et al. | 2015-11-19 |
Method And Apparatus For The Downhole In-situ Determination Of The Speed Of Sound In A Formation Fluid
App 20150285058 - Gao; Li ; et al. | 2015-10-08 |
Data Double-searching Apparatus, Methods, And Systems
App 20150268364 - Pei; Donghong ; et al. | 2015-09-24 |
Differential Phase Semblance Apparatus, Systems, And Methods
App 20150253447 - Mukhopadhyay; Pradip Kumar ; et al. | 2015-09-10 |
Acoustic imaging
Grant 9,110,166 - Chang , et al. August 18, 2 | 2015-08-18 |
Acoustic Receiver Assembly For Downhole Tools
App 20150136516 - Chang; Chung ; et al. | 2015-05-21 |
Joint Time-frequency Processing For Borehole Acoustic Arrays
App 20150137987 - Donderici; Burkay ; et al. | 2015-05-21 |
Variable Stiffness Downhole Tool Housing
App 20150101800 - Chang; Chung ; et al. | 2015-04-16 |
Acoustic Source Apparatus, Systems, And Methods
App 20150083518 - Bonavides; Clovis ; et al. | 2015-03-26 |
Acoustic Logging Systems And Methods Employing Multi-mode Inversion For Anisotropy And Shear Slowness
App 20150049585 - Collins; Mark Vincent ; et al. | 2015-02-19 |
Analytic Estimation Apparatus, Methods, And Systems
App 20140222346 - Collins; Mark V. ; et al. | 2014-08-07 |
Formation Property Determination Apparatus, Methods, And Systems
App 20140195160 - Collins; Mark V. ; et al. | 2014-07-10 |
Acoustic Imaging
App 20130142009 - Chang; Chung ; et al. | 2013-06-06 |
Flexible Electrode Assembly And Apparatus For Measuring Electrophysiological Signals
App 20100016701 - Cheng; Arthur ; et al. | 2010-01-21 |
Flexible printed circuit board electrode assembly for measurement of electrophysiological signals
Grant D565,183 - Cheng , et al. March 25, 2 | 2008-03-25 |
Apparatus for measuring electrophysiological signals
Grant D565,182 - Cheng , et al. March 25, 2 | 2008-03-25 |
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