| Patent | Date |
|---|
Steerable magnetic dipole antenna for measurement while drilling applications
Grant 9,885,800 - Wisler , et al. February 6, 2 | 2018-02-06 |
Steerable Magnetic Dipole Antenna For Measurement While Drilling Applications
App 20160252645 - Wisler; Macmillan M. ; et al. | 2016-09-01 |
Steerable magnetic dipole antenna for measurement while drilling applications
Grant 9,366,780 - Wisler , et al. June 14, 2 | 2016-06-14 |
Steerable magnetic dipole antenna for measurement-while-drilling applications
Grant 9,140,817 - Wisler , et al. September 22, 2 | 2015-09-22 |
Tie down cord assembly and method of making and using same
Grant 8,851,567 - Nguyen , et al. October 7, 2 | 2014-10-07 |
Steerable magnetic dipole antenna for measurement-while-drilling applications
Grant 8,604,796 - Wisler , et al. December 10, 2 | 2013-12-10 |
Steerable magnetic dipole antenna for measurement while drilling applications
Grant 8,471,563 - Wisler , et al. June 25, 2 | 2013-06-25 |
Tie Down Cord Assembly and Method of Making and Using Same
App 20130127216 - Nguyen; Thanh Phat ; et al. | 2013-05-23 |
Array antenna for measurement-while-drilling
Grant 8,378,908 - Wisler , et al. February 19, 2 | 2013-02-19 |
Steerable Magnetic Dipole Antenna For Measurement-while-drilling Applications
App 20110187373 - Wisler; Macmillan M. ; et al. | 2011-08-04 |
Steerable Magnetic Dipole Antenna For Measurement-while-drilling Applications
App 20110084699 - Wisler; Macmillan M. ; et al. | 2011-04-14 |
Steerable Magnetic Dipole Antenna For Measurement While Drilling Applications
App 20110084698 - Wisler; Macmillan M. ; et al. | 2011-04-14 |
Steerable Magnetic Dipole Antenna For Measurement While Drilling Applications
App 20110084697 - Wisler; Macmillan M. ; et al. | 2011-04-14 |
Handheld automobile wheel overspray shield
Grant D596,554 - Thompson July 21, 2 | 2009-07-21 |
Method and apparatus for measuring resistivity and dielectric in a well core in a measurement while drilling tool
Grant 6,788,066 - Wisler , et al. September 7, 2 | 2004-09-07 |
Two way data communication with a well logging tool using a TCP-IP system
App 20040051650 - Gonsoulin, Bryan ; et al. | 2004-03-18 |
Wellbore resistivity tool with simultaneous multiple frequencies
Grant 6,703,837 - Wisler , et al. March 9, 2 | 2004-03-09 |
Nuclear magnetic resonance apparatus and method having toroidal antenna windings
Grant 6,703,833 - Wisler , et al. March 9, 2 | 2004-03-09 |
Well logging system for determining resistivity using multiple transmitter-receiver groups operating at three frequencies
Grant 6,646,441 - Thompson , et al. November 11, 2 | 2003-11-11 |
Well logging system for determining resistivity using multiple transmitter-receiver groups operating at three frequencies and at optimized gain
App 20030137301 - Thompson, Larry W. ; et al. | 2003-07-24 |
Well logging system for determining directional resistivity using multiple transmitter-receiver groups focused with magnetic reluctance material
Grant 6,577,129 - Thompson , et al. June 10, 2 | 2003-06-10 |
A nuclear magnetic resonance apparatus and method having toroidal antenna windings
App 20020196018 - Wisler, Macmillan M. ; et al. | 2002-12-26 |
Toroidal receiver for NMR MWD
Grant 6,459,262 - Wisler , et al. October 1, 2 | 2002-10-01 |
Resistivity and dielectric constant well core measurement system for measurement while drilling and laboratory
App 20010050559 - Wisler, Macmillan M. ; et al. | 2001-12-13 |
Method and apparatus for making electromagnetic induction measurements through a drill collar
Grant 6,288,548 - Thompson , et al. September 11, 2 | 2001-09-11 |
Measurement-while-drilling devices with pad mounted sensors
Grant 6,173,793 - Thompson , et al. January 16, 2 | 2001-01-16 |
Method and apparatus for avoiding mutual coupling between receivers in measurement while drilling
Grant 5,869,968 - Brooks , et al. February 9, 1 | 1999-02-09 |
Method and apparatus for determining influence of mutual magnetic coupling in electromagnetic propagation tools
Grant 5,811,972 - Thompson , et al. September 22, 1 | 1998-09-22 |
Method and apparatus for signal bandpass sampling in measurement-while-drilling applications
Grant 5,682,099 - Thompson , et al. October 28, 1 | 1997-10-28 |
Method and apparatus for interrogating a borehole and surrounding formation utilizing digitally controlled oscillators
Grant 5,574,374 - Thompson , et al. November 12, 1 | 1996-11-12 |
Method and apparatus for measurement-while-drilling utilizing improved antennas
Grant 5,530,358 - Wisler , et al. June 25, 1 | 1996-06-25 |
Method and apparatus for logging-while-drilling with improved performance through cancellation of systemic errors through combination of signals, utilization of dedicated transmitter drivers, and utilization of selected reference signals
Grant 5,402,068 - Meador , et al. * March 28, 1 | 1995-03-28 |
High sensitivity well logging system having dual transmitter antennas and intermediate series resonant
Grant 5,081,419 - Meador , et al. January 14, 1 | 1992-01-14 |
Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements
Grant 4,785,247 - Meador , et al. November 15, 1 | 1988-11-15 |
Dielectric well logging means and method utilizing the signals from a pair of receivers for providing clock pulses corresponding to earth formation dielectric constant
Grant 4,130,793 - Bridges , et al. December 19, 1 | 1978-12-19 |
Electromagnetic wave logging system for determining resistivity and dielectric constant of earth formations
Grant 4,107,598 - Meador , et al. August 15, 1 | 1978-08-15 |
Electromagnetic wave propagation well logging utilizing multiple phase shift measurement
Grant 4,107,597 - Meador , et al. August 15, 1 | 1978-08-15 |
Radio frequency resistivity and dielectric constant well logging utilizing phase shift measurement
Grant 4,012,689 - Cox , et al. March 15, 1 | 1977-03-15 |
Dual radio frequency apparatus for determining electromagnetic characteristics of earth formations using constant flux field generators
Grant 3,893,020 - Meador , et al. July 1, 1 | 1975-07-01 |
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