| 11136836 |
High trip rate drilling rig |
Joe Rodney Berry, Melvin Alan Orr, Mark W. Trevithick |
2021-10-05 |
| 11118414 |
Tubular delivery arm for a drilling rig |
Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry |
2021-09-14 |
| 11060361 |
Retractable top drive with torque tube |
Joe Rodney Berry, Melvin Alan Orr |
2021-07-13 |
| 10927603 |
High trip rate drilling rig |
Joe Rodney Berry, Melvin Alan Orr, Mark W. Trevithick |
2021-02-23 |
| 10865609 |
High trip rate drilling rig |
Melvin Alan Orr, Mark W. Trevithick, Joe Rodeny Berry |
2020-12-15 |
| 10844674 |
High trip rate drilling rig |
Joe Rodney Berry, Melvin Alan Orr, Mark W. Trevithick |
2020-11-24 |
| 10781667 |
Driller's control station |
Joe Rodney Berry |
2020-09-22 |
| 10697255 |
Tubular delivery arm for a drilling rig |
Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry |
2020-06-30 |
| 10550650 |
High trip rate drilling rig |
Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry |
2020-02-04 |
| 10519727 |
High trip rate drilling rig |
Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry |
2019-12-31 |
| 10519726 |
Casing racking module |
Joe Rodney Berry |
2019-12-31 |
| 10508494 |
Manipulator for a mast and substructure raising cylinder |
— |
2019-12-17 |
| 10465455 |
Automated tubular racking system |
Joe Rodney Berry, Melvin Alan Orr |
2019-11-05 |
| 10294739 |
Lower stabilizing arm for a drilling rig |
Melvin Alan Orr, Joe Rodney Berry |
2019-05-21 |
| 9388641 |
Self-positioning substructure locking mechanism |
Mark W. Trevithick |
2016-07-12 |
| 9168962 |
Drill rig relocation system |
Mark W. Trevithick, Gary Firth, Bob Williams, James Arthur Zapico |
2015-10-27 |