| 10309174 |
Automated remote actuation system |
Rex Burgos, Douglas Pipchuk |
2019-06-04 |
| 9109411 |
Pressure pulse driven friction reduction |
Rod Shampine, Shunfeng Zheng |
2015-08-18 |
| 8960330 |
System and method for directional drilling |
Troy Nason |
2015-02-24 |
| 8789585 |
Cable monitoring in coiled tubing |
Frank Espinosa, Michael H. Kenison, Zefer Erkol |
2014-07-29 |
| 5857710 |
Multi-cycle releasable connection |
Howard L. McGill |
1999-01-12 |
| 5488989 |
Whipstock orientation method and system |
Denis Doremus |
1996-02-06 |
| 5431219 |
Forming casing window off whipstock set in cement plug |
Mansour Shaheen, Denis Doremus |
1995-07-11 |
| 5230363 |
Suction valve for high pressure slurry pump |
Fred M. Winn, Jr., Donald C. Cameron |
1993-07-27 |
| 4359898 |
Weight-on-bit and torque measuring apparatus |
Denis R. Tanguy |
1982-11-23 |
| 4223746 |
Shock limiting apparatus |
Denis R. Tanguy |
1980-09-23 |