| 9785602 |
Device and method for measuring, recording and reporting fluid flow |
John T. Penn |
2017-10-10 |
| 5547031 |
Orientation control mechanism |
Tommy M. Warren |
1996-08-20 |
| 5423389 |
Curved drilling apparatus |
Tommy M. Warren |
1995-06-13 |
| 5330364 |
Electrical connector for well surveying tool |
Jim Powers |
1994-07-19 |
| 5213168 |
Apparatus for drilling a curved subterranean borehole |
Tommy M. Warren, Warren J. Winters |
1993-05-25 |
| 5201219 |
Method and apparatus for measuring free hydrocarbons and hydrocarbons potential from whole core |
Eric L. Bandurski, John W. Kearns, Jr. |
1993-04-13 |
| 5109697 |
Method of exploration for hydrocarbons |
Keith K. Millheim, Chandra S. Rai, Carl H. Sondergeld |
1992-05-05 |
| 5012674 |
Method of exploration for hydrocarbons |
Keith K. Millheim, Chandra S. Rai, Carl H. Sondergeld |
1991-05-07 |
| 4973960 |
Data entry method and apparatus |
— |
1990-11-27 |
| 4916673 |
Method and apparatus for detecting the peak of an analog signal |
Steven A. Morris |
1990-04-10 |
| 4899219 |
Macroview and microview video record of core |
— |
1990-02-06 |
| 4885540 |
Automated nuclear magnetic resonance analysis |
Michael L. Snoddy |
1989-12-05 |
| 4854163 |
Beltless core conveyor system for wellsite analysis |
Michael L. Snoddy |
1989-08-08 |
| 4837753 |
Method and apparatus for logging a borehole |
Steven A. Morris, John T. Penn |
1989-06-06 |
| 4800537 |
Method and apparatus for determining cement conditions |
— |
1989-01-24 |
| 4777629 |
Method and apparatus for detecting the peak of an analog signal |
Steven A. Morris |
1988-10-11 |
| 4774573 |
Method and apparatus for generating a video display from signals produced by borehole scanning |
Steven A. Morris |
1988-09-27 |
| 4685294 |
Viscosity-temperature compensator for hydraulic systems |
— |
1987-08-11 |
| 4685140 |
Keratograph autoscanner system |
— |
1987-08-04 |
| 4649550 |
Telemetry scheme with slope modulated signal |
— |
1987-03-10 |
| 4461360 |
Bit extension guide for sidewall corer |
— |
1984-07-24 |
| 4449593 |
Guide for sidewall coring bit assembly |
Alfred H. Jageler, Gary D. Bruce |
1984-05-22 |
| 4396074 |
Drill bit extension for sidewall corer |
Alfred H. Jageler, Lauren G. Kilmer, George W. Terral |
1983-08-02 |
| 4280569 |
Fluid flow restrictor valve for a drill hole coring tool |
— |
1981-07-28 |