| Patent | Date |
|---|
Universal bottomhole assembly node (UBHAN) providing communications to and from rotary steerable systems (RSS) and real time azimuthal resistivity imaging for geosteering and pressure while drilling (FWD) for well control
Grant 11,326,437 - Tchakarov , et al. May 10, 2 | 2022-05-10 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20210277764 - Wang; Tsili | 2021-09-09 |
Modular Resistivity Sensor For Downhole Measurement While Drilling
App 20210262344 - Wang; Tsili ; et al. | 2021-08-26 |
Boundary tracking control module for rotary steerable systems
Grant 11,098,572 - Tchakarov , et al. August 24, 2 | 2021-08-24 |
Rotary guiding device based on radial driving force
Grant 11,021,911 - Liu , et al. June 1, 2 | 2021-06-01 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 11,008,850 - Wang May 18, 2 | 2021-05-18 |
Universal Bottomhole Assembly Node (ubhan) Providing Communications To And From Rotary Steerable Systems (rss) And Real Time Azimuthal Resistivity Imaging For Geosteering And Pressure While Drilling (pwd) For Well Control
App 20210032971 - Tchakarov; Borislav J. ; et al. | 2021-02-04 |
Hybrid rotary guiding device
Grant 10,837,235 - Liu , et al. November 17, 2 | 2020-11-17 |
Anti-rotating device of non-rotating sleeve and a rotary guiding device
Grant 10,815,730 - Liu , et al. October 27, 2 | 2020-10-27 |
An Anti-rotating Device Of Non-rotating Sleeve And A Rotary Guiding Device
App 20200263500 - LIU; Qingbo ; et al. | 2020-08-20 |
A Hybrid Rotary Guiding Device
App 20200263503 - LIU; Qingbo ; et al. | 2020-08-20 |
A Rotary Guiding Device
App 20200190909 - LIU; Qingbo ; et al. | 2020-06-18 |
Boundary Tracking Control Module For Rotary Steerable Systems
App 20200182037 - Tchakarov; Borislav J. ; et al. | 2020-06-11 |
A Rotary Guiding Device Based On Radial Driving Force
App 20200087986 - LIU; Qingbo ; et al. | 2020-03-19 |
Apparatus and methods for communicating with a downhole tool
Grant 10,591,635 - Guo , et al. | 2020-03-17 |
Modular Resistivity Sensor For Downhole Measurement While Drilling
App 20190277136 - Wang; Tsili ; et al. | 2019-09-12 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20190234196 - Wang; Tsili | 2019-08-01 |
Apparatus and methods for making azimuthal resistivity measurements with off-set directional antennas
Grant 10,365,391 - Wang July 30, 2 | 2019-07-30 |
Modular resistivity sensor for downhole measurement while drilling
Grant 10,337,322 - Wang , et al. | 2019-07-02 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 10,253,614 - Wang | 2019-04-09 |
Apparatus and method for microresistivity imaging in which transmitter coil and receiver coil axes are substantially perpendicular to the longitudinal axis of the tool body
Grant 10,114,140 - Wang October 30, 2 | 2018-10-30 |
Boundary Tracking Control Module For Rotary Steerable Systems
App 20180258751 - Tchakarov; Borislav J. ; et al. | 2018-09-13 |
Boundary tracking control module for rotary steerable systems
Grant 10,072,490 - Tchakarov , et al. September 11, 2 | 2018-09-11 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20180203152 - Wang; Tsili | 2018-07-19 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 9,952,347 - Wang April 24, 2 | 2018-04-24 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements With Off-set Directional Antennas
App 20180074219 - Wang; Tsili | 2018-03-15 |
Modular Resistivity Sensor for Downhole Measurement While Drilling
App 20180024266 - Wang; Tsili ; et al. | 2018-01-25 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20170371063 - Wang; Tsili | 2017-12-28 |
Apparatus and methods for communicating downhole data
Grant 9,851,465 - Wang , et al. December 26, 2 | 2017-12-26 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 9,767,153 - Wang September 19, 2 | 2017-09-19 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20170193050 - Wang; Tsili | 2017-07-06 |
Modular Resistivity Sensor for Downhole Measurement While Drilling
App 20170191364 - Wang; Tsili ; et al. | 2017-07-06 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 9,645,276 - Wang May 9, 2 | 2017-05-09 |
Modular resistivity sensor for downhole measurement while drilling
Grant 9,638,819 - Wang , et al. May 2, 2 | 2017-05-02 |
Apparatus and method for downhole resistivity measurements
Grant 9,575,201 - Wang February 21, 2 | 2017-02-21 |
System and methods for selective shorting of an electrical insulator section
Grant 9,359,889 - Wang , et al. June 7, 2 | 2016-06-07 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20160124107 - WANG; Tsili | 2016-05-05 |
Downhole closed-loop geosteering methodology
Grant 9,273,517 - Tchakarov , et al. March 1, 2 | 2016-03-01 |
Apparatus and methods for making azimuthal resistivity measurements
Grant 9,268,053 - Wang February 23, 2 | 2016-02-23 |
Apparatus And Methods For Communicating With A Downhole Tool
App 20150362615 - Guo; Lianhe ; et al. | 2015-12-17 |
Apparatus And Method For Downhole Resistivity Measurements
App 20150293254 - WANG; Tsili | 2015-10-15 |
Remotely located tuning circuits for multi-frequency, multi-purpose induction antennae in downhole tools
Grant 9,146,332 - Signorelli , et al. September 29, 2 | 2015-09-29 |
System And Methods For Selective Shorting Of An Electrical Insulator Section
App 20150107900 - WANG; Tsili ; et al. | 2015-04-23 |
Processing of multi-component induction data in the presence of borehole abnormalities
Grant 8,931,335 - Rabinovich , et al. January 13, 2 | 2015-01-13 |
Apparatus And Methods For Communicating Downhole Data
App 20140368350 - WANG; Tsili ; et al. | 2014-12-18 |
Modular Resistivity Sensor For Downhole Measurement While Drilling
App 20140368200 - WANG; Tsili ; et al. | 2014-12-18 |
Apparatus And Methods For Making Azimuthal Resistivity Measurements
App 20140368197 - WANG; Tsili | 2014-12-18 |
Unipole and bipole acoustic logging while drilling tools
Grant 8,755,248 - Wang June 17, 2 | 2014-06-17 |
Acoustic waveform stacking using azimuthal and/or standoff binning
Grant 8,625,390 - Wang , et al. January 7, 2 | 2014-01-07 |
Method of directional resistivity logging
Grant 8,626,446 - Dong , et al. January 7, 2 | 2014-01-07 |
Microresistivity anisotropy logging tool employing a monopole current injection electrode
Grant 8,581,594 - Wang , et al. November 12, 2 | 2013-11-12 |
Acoustic logging while drilling tool having raised transducers
Grant 8,559,272 - Wang October 15, 2 | 2013-10-15 |
Methods for making acoustic anisotropy logging while drilling measurements
Grant 8,547,788 - Wang , et al. October 1, 2 | 2013-10-01 |
Downhole sonic logging tool including irregularly spaced receivers
Grant 8,542,553 - Wang September 24, 2 | 2013-09-24 |
Method of correcting resistivity measurements for toll bending effects
Grant 8,536,871 - Li , et al. September 17, 2 | 2013-09-17 |
Apparatus And Method For Microresistivity Imaging In Nonconductive Drilling Fluid
App 20130234717 - Wang; Tsili | 2013-09-12 |
Logging tool employing a monopole current injection electrode for microresistivity imaging
Grant 8,508,231 - Wang August 13, 2 | 2013-08-13 |
Directional resistivity antenna shield
Grant 8,497,673 - Wang , et al. July 30, 2 | 2013-07-30 |
Apparatus and method for downhole electromagnetic measurement while drilling
Grant 8,466,682 - Wang June 18, 2 | 2013-06-18 |
Microresistivity imaging at multiple depths of investigation
Grant 8,319,498 - Wang November 27, 2 | 2012-11-27 |
Calibration method for a microresistivity logging tool
Grant 8,305,083 - Wang November 6, 2 | 2012-11-06 |
Method Of Directional Resistivity Logging
App 20120253676 - Dong; Qiuzhao ; et al. | 2012-10-04 |
Anisotropy orientation image from resistivity measurements for geosteering and formation evaluation
Grant 8,278,931 - Fang , et al. October 2, 2 | 2012-10-02 |
Binning method for borehole imaging
Grant 8,271,199 - Wang September 18, 2 | 2012-09-18 |
Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses
Grant 8,212,567 - Signorelli , et al. July 3, 2 | 2012-07-03 |
Non-planar antennae for directional resistivity logging
Grant 8,207,738 - Wang June 26, 2 | 2012-06-26 |
Directional resistivity imaging using harmonic representations
Grant 8,195,400 - Wang June 5, 2 | 2012-06-05 |
Method Of Correcting Resistivity Measurements For Toll Bending Effects
App 20120105076 - Li; Jing ; et al. | 2012-05-03 |
Apparatus and system for geosteering and formation evaluation utilizing improved antennas
Grant 8,164,339 - Fang , et al. April 24, 2 | 2012-04-24 |
Methods for making directional resistivity measurements
Grant 8,159,227 - Wang April 17, 2 | 2012-04-17 |
Microresistivity imaging in conductive and nonconductive drilling fluid
Grant 8,129,994 - Wang March 6, 2 | 2012-03-06 |
Acoustic Waveform Stacking Using Azimuthal And/or Standoff Binning
App 20120044783 - Wang; Tsili ; et al. | 2012-02-23 |
Downhole Closed-loop Geosteering Methodology
App 20120046868 - Tchakarov; Borislav J. ; et al. | 2012-02-23 |
Caliper logging using circumferentially spaced and/or angled transducer elements
Grant 8,117,907 - Han , et al. February 21, 2 | 2012-02-21 |
Determining structural dip and azimuth from LWD resistivity measurements in anisotropic formations
Grant 8,117,018 - Fang , et al. February 14, 2 | 2012-02-14 |
Remotely Located Tuning Circuits for Multi-Frequency, Multi-Purpose Induction Antennae in Downhole Tools
App 20120032868 - Signorelli; John ; et al. | 2012-02-09 |
Apparatus and method for removing anisotropy effect from directional resistivity measurements
Grant 8,089,268 - Wang January 3, 2 | 2012-01-03 |
Acoustic Logging While Drilling Tool Having Raised Transducers
App 20110286307 - Wang; Tsili | 2011-11-24 |
Methods For Making Acoustic Anisotropy Logging While Drilling Measurements
App 20110280102 - Wang; Tsili ; et al. | 2011-11-17 |
Unipole And Bipole Acoustic Logging While Drilling Tools
App 20110280101 - Wang; Tsili | 2011-11-17 |
Apparatus and method for imaging subsurface materials using a pad having a plurality of electrode sets
Grant 8,030,938 - Bespalov , et al. October 4, 2 | 2011-10-04 |
Correction of sensor non-equipotentiality in a resistivity imaging device
Grant 8,014,963 - Wang , et al. September 6, 2 | 2011-09-06 |
Method for compensating drill pipe and near-borehole effect on and electronic noise in transient resistivity measurements
Grant 8,008,919 - Wang , et al. August 30, 2 | 2011-08-30 |
Electromagnetic and magnetostatic shield to perform measurements ahead of the drill bit
Grant 7,994,790 - Itskovich , et al. August 9, 2 | 2011-08-09 |
Downhole Sonic Logging Tool Including Irregularly Spaced Receivers
App 20110188345 - Wang; Tsili | 2011-08-04 |
Microresistivity Imaging with Differentially Raised Electrodes
App 20110187374 - Wang; Tsili | 2011-08-04 |
Compensated directional resistivity measurements
Grant 7,990,153 - Streinz , et al. August 2, 2 | 2011-08-02 |
Logging Tool Employing A Monopole Current Injection Electrode For Microresistivity Imaging
App 20110156711 - Wang; Tsili | 2011-06-30 |
Binning Method For Borehole Imaging
App 20110161009 - Wang; Tsili | 2011-06-30 |
Microresistivity Anisotropy Logging Tool Employing A Monopole Current Injection Electrode
App 20110156709 - Wang; Tsili ; et al. | 2011-06-30 |
Calibration Method For A Microresistivity Logging Tool
App 20110156710 - Wang; Tsili | 2011-06-30 |
Methods and apparatus for determination of a formation resistivity property using eccentered measurements
Grant 7,952,358 - Wang , et al. May 31, 2 | 2011-05-31 |
Microresistivity Imaging at Multiple Depths of Investigation
App 20110089950 - Wang; Tsili | 2011-04-21 |
Microresistivity Imaging in Conductive and Nonconductive Drilling Fluid
App 20110089951 - Wang; Tsili | 2011-04-21 |
Directional Resistivity Antenna Shield
App 20110074427 - Wang; Tsili ; et al. | 2011-03-31 |
Apparatus and Method for Downhole Electromagnetic Measurement While Drilling
App 20110074428 - Wang; Tsili | 2011-03-31 |
Method of calibrating an azimuthal inductive cross-coil or tilted coil instrument
Grant 7,915,895 - Chemali , et al. March 29, 2 | 2011-03-29 |
Method and apparatus for imaging bed boundaries using azimuthal propagation resistivity measurements
Grant 7,912,648 - Tang , et al. March 22, 2 | 2011-03-22 |
Sequential resistivity imaging with asymmetric electrode arrays
Grant 7,899,622 - Wang March 1, 2 | 2011-03-01 |
Method of generating a deep resistivity image in LWD measurements
Grant 7,894,990 - Wang , et al. February 22, 2 | 2011-02-22 |
Multi-component resistivity logging tool with multiple antennas using common antenna grooves
Grant 7,839,149 - Wang , et al. November 23, 2 | 2010-11-23 |
Directional Resistivity Imaging Using Harmonic Representations
App 20100286916 - Wang; Tsili | 2010-11-11 |
Compensated Directional Resistivity Measurements
App 20100283470 - Streinz; Christopher C. ; et al. | 2010-11-11 |
Remotely located tuning circuits for multi-frequency, multi-puropse induction antennae in downhole tools
App 20100283468 - Signorelli; John ; et al. | 2010-11-11 |
Methods For Making Directional Resistivity Measurements
App 20100283469 - Wang; Tsili | 2010-11-11 |
Non-planar Antennae For Directional Resistivity Logging
App 20100244841 - Wang; Tsili | 2010-09-30 |
Apparatus And Method For Removing Anisotropy Effect From Directional Resistivity Measurements
App 20100244842 - Wang; Tsili | 2010-09-30 |
Caliper Logging Using Circumferentially Spaced and/or Angled Transducer Elements
App 20100154531 - Han; Wei ; et al. | 2010-06-24 |
Multipole antennae for logging-while-drilling resistivity measurements
Grant 7,742,008 - Wang , et al. June 22, 2 | 2010-06-22 |
Apparatus and method for azimuthal MWD resistivity imaging at multiple depths of investigation
Grant 7,723,991 - Signorelli , et al. May 25, 2 | 2010-05-25 |
Externally Mounted Band Atennae Requiring Minimal Metal Cutting On Drillstring For Reduction Of Mechanical Stresses
App 20100097279 - Signorelli; John A. ; et al. | 2010-04-22 |
Resistivity tools with collocated antennas
Grant 7,663,372 - Signorelli , et al. February 16, 2 | 2010-02-16 |
Method and apparatus for correcting underestimation of formation anisotropy ratio
Grant 7,657,375 - Wang , et al. February 2, 2 | 2010-02-02 |
Anisotropy Orientation Image From Resistivity Measurements For Geosteering And Formation Evaluation
App 20100007348 - Fang; Sheng ; et al. | 2010-01-14 |
Sequential Resistivity Imaging With Asymmetric Electrode Arrays
App 20090309602 - Wang; Tsili | 2009-12-17 |
Apparatus And System For Geosteering And Formation Evaluation Utilizing Improved Antennas
App 20090301781 - Fang; Sheng ; et al. | 2009-12-10 |
Apparatus and method for measuring micro-resistivity anisotropy
Grant 7,609,066 - Wang October 27, 2 | 2009-10-27 |
Method for Compensating Drill Pipe and Near-Borehole Effect on and Electronic Noise in Transient Resistivity Measurements
App 20090243618 - Wang; Tsili ; et al. | 2009-10-01 |
Four-terminal Electric Imager For Resistive Muds With Localized Current Control
App 20090243619 - Bespalov; Alexandre N. ; et al. | 2009-10-01 |
Electromagnetic and Magnetostatic Shield to Perform Measurements Ahead of the Drill Bit
App 20090237084 - Itskovich; Gregory B. ; et al. | 2009-09-24 |
Correction Of Sensor Non-equipotentiality In A Resistivity Imaging Device
App 20090224766 - Wang; Tsili ; et al. | 2009-09-10 |
Determining Structural Dip and Azimuth From LWD Resistivity Measurements in Anisotropic Formations
App 20090192713 - Fang; Sheng ; et al. | 2009-07-30 |
Method for Building Multi-Component Electromagnetic Antennas
App 20090179647 - Wang; Tsili ; et al. | 2009-07-16 |
Method and apparatus for reducing borehole and eccentricity effects in multicomponent induction logging
Grant 7,554,328 - Wang , et al. June 30, 2 | 2009-06-30 |
Method and apparatus for tensorial micro-resistivity imaging in oil-based muds
Grant 7,545,145 - Wang June 9, 2 | 2009-06-09 |
Method And Apparatus For Imaging Bed Boundaries Using Azimuthal Propagation Resistivity Measurements
App 20090138202 - TANG; Xiao M. ; et al. | 2009-05-28 |
Method and apparatus for cement bond evaluation using transversely polarized shear waves
Grant 7,525,872 - Tang , et al. April 28, 2 | 2009-04-28 |
Methods for Interpreting Multi-Component Induction Logs Using the X-Signal Measurements
App 20090102485 - Wang; Tsili ; et al. | 2009-04-23 |
Apparatus and Method for Azimuthal MWD Resistivity Imaging at Multiple Depths of Investigation
App 20090085570 - Signorelli; Jack ; et al. | 2009-04-02 |
Use of multi-component measurements in delineating geology of deep-water sediments
Grant 7,505,851 - Bal , et al. March 17, 2 | 2009-03-17 |
Method of generating a deep resistivity image in LWD measurements
Grant 7,483,793 - Wang , et al. January 27, 2 | 2009-01-27 |
Method and Apparatus for Phased Array Acoustic Well Logging
App 20090000859 - Wang; Tsili ; et al. | 2009-01-01 |
Elimination of the anisotropy effect in LWD azimuthal resistivity tool data
Grant 7,471,088 - Yu , et al. December 30, 2 | 2008-12-30 |
Method of Calibrating an Azimuthal Inductive Cross-Coil or Tilted Coil Instrument
App 20080315883 - Chemali; Roland E. ; et al. | 2008-12-25 |
Single-dipole High Frequency Electric Imager
App 20080303525 - Itskovich; Gregory B. ; et al. | 2008-12-11 |
Correction of sensor non-equipotentiality in a resistivity imaging device
Grant 7,437,251 - Wang , et al. October 14, 2 | 2008-10-14 |
Method and apparatus for directional resistivity measurement while drilling
Grant 7,414,407 - Wang , et al. August 19, 2 | 2008-08-19 |
Correction of sensor non-equipotentiality in a resistivity imaging device
App 20080172198 - Wang; Tsili ; et al. | 2008-07-17 |
Multipole Antennae For Logging-while-drilling Resistivity Measurements
App 20080158082 - Wang; Tsili ; et al. | 2008-07-03 |
Method for signal enhancement in azimuthal propagation resistivity while drilling
Grant 7,375,530 - Chemali , et al. May 20, 2 | 2008-05-20 |
Apparatus for multicomponent induction measurement with reduced borehole and eccentricity effects
App 20080111554 - Wang; Tsili ; et al. | 2008-05-15 |
Method of Generating a Deep Resistivity Image in LWD Measurements
App 20080109167 - Wang; Tsili ; et al. | 2008-05-08 |
Determination of fracture orientation and length using multi-component and multi-array induction data
Grant 7,359,800 - Rabinovich , et al. April 15, 2 | 2008-04-15 |
Resistivity Tools With Collocated Antennas
App 20080074336 - Signorelli; Jack ; et al. | 2008-03-27 |
Multicomponent induction measurements in cross-bedded and weak anisotropy approximation
Grant 7,317,991 - Wang , et al. January 8, 2 | 2008-01-08 |
Method and Apparatus for Correcting Underestimation of Formation Anisotropy Ratio
App 20070267192 - Wang; Tsili ; et al. | 2007-11-22 |
Use of Multi-component Measurements in Delineating Geology of Deep-Water Sediments
App 20070265784 - Bal; Adriaan A. ; et al. | 2007-11-15 |
Method and apparatus for tensorial micro-resistivity imaging in oil-based muds
App 20070257678 - Wang; Tsili | 2007-11-08 |
Apparatus And Method For Measuring Micro-resistivity Anisotropy
App 20070257677 - Wang; Tsili | 2007-11-08 |
Processing of multi-component induction data in the presence of borehole abnormalities
App 20070234787 - Rabinovich; Michael B. ; et al. | 2007-10-11 |
Apparatus and method for wireline imaging in nonconductive muds
Grant 7,228,903 - Wang , et al. June 12, 2 | 2007-06-12 |
Method and apparatus for detecting overpressured zone ahead of a drill bit using resistivity and seismic measurements
App 20070127314 - Wang; Tsili ; et al. | 2007-06-07 |
Compensation for tool disposition in LWD resistivity measurements
App 20070024286 - Wang; Tsili | 2007-02-01 |
Method of generating a deep resistivity image in LWD measurements
App 20070024285 - Wang; Tsili ; et al. | 2007-02-01 |
Error correction and calibration of a deep reading propagation resistivity tool
Grant 7,141,981 - Folberth , et al. November 28, 2 | 2006-11-28 |
Elimination of the anisotropy effect in LWD azimuthal resistivity tool data
App 20060255810 - Yu; Liming ; et al. | 2006-11-16 |
Method and apparatus for directional resistivity measurement while drilling
App 20060186888 - Wang; Tsili ; et al. | 2006-08-24 |
Multicomponent induction measurements in cross-bedded and weak anisotropy approximation
App 20060161350 - Wang; Tsili ; et al. | 2006-07-20 |
Method for signal enhancement in azimuthal propagation resistivity while drilling
App 20060125479 - Chemali; Roland E. ; et al. | 2006-06-15 |
Method and apparatus for directional resistivity measurement while drilling
Grant 7,057,392 - Wang , et al. June 6, 2 | 2006-06-06 |
Deep reading propagation resistivity tool for determination of distance to a bed boundary with a transition zone
App 20060017443 - Folberth; Martin ; et al. | 2006-01-26 |
Method and apparatus for LWD shear velocity measurement
Grant 6,985,086 - Tang , et al. January 10, 2 | 2006-01-10 |
Determination of fracture orientation and length using multi-component and multi-array induction data
App 20050256645 - Rabinovich, Michael B. ; et al. | 2005-11-17 |
Electrical imaging in conductive and non-conductive mud
Grant 6,957,708 - Chemali , et al. October 25, 2 | 2005-10-25 |
Method and apparatus for cement bond evaluation using transversely polarized shear waves
App 20050190648 - Tang, Xiao-Ming ; et al. | 2005-09-01 |
Method and apparatus for LWD shear velocity measurement
Grant 6,930,616 - Tang , et al. August 16, 2 | 2005-08-16 |
Method of using electrical and acoustic anisotropy measurements for fracture identification
Grant 6,925,031 - Kriegshauser , et al. August 2, 2 | 2005-08-02 |
Method and apparatus for LWD shear velocity measurement
App 20050078555 - Tang, Xiao Ming ; et al. | 2005-04-14 |
Apparatus and method for wireline imaging in nonconductive muds
App 20050068036 - Wang, Tsili ; et al. | 2005-03-31 |
Method and apparatus for LWD shear velocity measurement
Grant 6,850,168 - Tang , et al. February 1, 2 | 2005-02-01 |
Electrical imaging in conductive and non-conductive mud
App 20050006090 - Chemali, Roland E. ; et al. | 2005-01-13 |
Method and apparatus for LWD shear velocity measurement
App 20040257911 - Tang, Xiao Ming ; et al. | 2004-12-23 |
Method and apparatus for directional resistivity measurement while drilling
App 20040113626 - Wang, Tsili ; et al. | 2004-06-17 |
Method of using electrical and acoustic anisotropy measurements for fracture identification
App 20040001388 - Kriegshauser, Berthold ; et al. | 2004-01-01 |
Method and apparatus for LWD shear velocity measurement
App 20020113717 - Tang, Xiao Ming ; et al. | 2002-08-22 |
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