Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371721 | Subsurface well systems with multiple drain wells extending from production well and methods for use thereof | Gary D. Althoff | 2016-06-21 |
| 9334696 | Piping communication | — | 2016-05-10 |
| 9279318 | Systems and methods for automatic weight on bit sensor calibration and regulating buckling of a drillstring | Robello Samuel | 2016-03-08 |
| 9115570 | Fluid sample capture tool | — | 2015-08-25 |
| 9085963 | Fluid sampling tool with deployable fluid cartidges | — | 2015-07-21 |
| 9010461 | Guide wire for ranging and subsurface broadcast telemetry | — | 2015-04-21 |
| 8910711 | Fluid container reloading tool | — | 2014-12-16 |
| 8912915 | Borehole array for ranging and crosswell telemetry | Mac Upshall | 2014-12-16 |
| 8899351 | Apparatus and method for adjusting power units of downhole motors | Robello Samuel | 2014-12-02 |
| 8839883 | Piston tractor system for use in subterranean wells | — | 2014-09-23 |
| 8833472 | Methods and apparatus for transmission of telemetry data | — | 2014-09-16 |
| 8757279 | Pipe in pipe piston thrust system | — | 2014-06-24 |
| 8618803 | Well location determination apparatus, methods, and systems | Paul F. Rodney, David Lyle, Mac Upshall | 2013-12-31 |
| 8426988 | Apparatus and method for generating power downhole | — | 2013-04-23 |
| 8322461 | Drilling apparatus and method | Paul Botterell, Terence Allan Schroter, Nathan Strilchuk | 2012-12-04 |
| 8272447 | Methods and apparatus for drilling, completing and configuring U-tube boreholes | Dean Lee, Nestor Humberto Gil, Kyler Tebbutt, Rodney A. Schnell, Joe E. Hess +2 more | 2012-09-25 |
| 8146685 | Methods and apparatus for drilling, completing and configuring U-tube boreholes | Dean Lee, Nesto Humberto Gil, Kyler Tebbutt, Rodney A. Schnell, Joe E. Hess +2 more | 2012-04-03 |
| 7878270 | Methods and apparatus for drilling, completing and configuring U-tube boreholes | Dean Lee, Nesto Humberto Gil, Kyler Tebbutt, Rodney A. Schnell, Joe E. Hess +2 more | 2011-02-01 |
| 7757781 | Downhole motor assembly and method for torque regulation | Victor Gawski | 2010-07-20 |
| 7413034 | Steering tool | Kennedy J. Kirkhope, Paul Rieder, Lisa Yung, Gary M. Crase | 2008-08-19 |
| 7336199 | Inductive coupling system | Jeffrey B. Lasater, Ronald G. Earles, John Hardin, Imran Sharif Vehra, Randal Thomas Beste +3 more | 2008-02-26 |
| 7287603 | Combined casing expansion/casing while drilling method and apparatus | Gerald Edward Kent, Jerry Lavelle Keen, Jr., Charles M. Reid | 2007-10-30 |
| 7188689 | Variable gauge drilling apparatus and method of assembly therefor | Terrance Dean Maxwell, Julio Abraham Carrera Garcia, Nestor Humberto Gil, Bryan James Restau, Edward James Cargill | 2007-03-13 |
| 7084782 | Drill string telemetry system and method | Evan Lloyd Davies, Edward James Cargill, Gary L. Donison, Boguslaw Wiecek, Daniel P. Lupien +1 more | 2006-08-01 |
| 6948572 | Command method for a steerable rotary drilling device | Colin Walker, John Hardin | 2005-09-27 |