| 10550660 |
Blind shear ram |
Martha Flores |
2020-02-04 |
| 10190380 |
Method for monitoring a sealing element |
Deepak Trivedi, Gregory Ronald Gillette, Joseph Alan Incavo, Weina Ge |
2019-01-29 |
| 9109421 |
Deformation resistant opening chamber head and method |
Leonard G. Childers, Eric Mei |
2015-08-18 |
| 9109405 |
Gas handler, riser assembly, and method |
Leonard G. Childers, John R. LeBlanc |
2015-08-18 |
| 8844613 |
Shear blade and method of attachment to shear rams |
Viral Shah, Leonard G. Childers |
2014-09-30 |
| 8573557 |
Bidirectional ram BOP and method |
Eric Mei, Leonard G. Childers |
2013-11-05 |
| 8464785 |
Pipe guide arms for blind shear rams |
Leonard G. Childers, Viral Shah |
2013-06-18 |
| 8413724 |
Gas handler, riser assembly, and method |
Leonard G. Childers, John R. LeBlanc |
2013-04-09 |
| 8230930 |
Mounts for blowout preventer bonnets and methods of use |
Edward Hemphill, Michael Wayne Berckenhoff |
2012-07-31 |
| 7802626 |
Mounts for blowout preventer bonnets and methods of use |
Edward Hemphill, Michael Wayne Berckenhoff |
2010-09-28 |
| 7784536 |
Packer insert for sealing on multiple items used in a wellbore |
John P. Scoggins |
2010-08-31 |
| 7588075 |
Packer insert for sealing on multiple items used in a wellbore |
John P. Scoggins |
2009-09-15 |
| 7281586 |
Mounts for blowout preventer bonnets |
Edward Hemphill, Michael Wayne Berckenhoff |
2007-10-16 |
| 7246666 |
Mounts for blowout preventer bonnets |
Edward Hemphill, Michael Wayne Berckenhoff |
2007-07-24 |
| 7121348 |
Mounts for blowout preventer bonnets |
Edward Hemphill, Michael Wayne Berckenhoff |
2006-10-17 |
| 7096960 |
Mounts for blowout preventer bonnets |
Edward Hemphill, Michael Wayne Berckenhoff |
2006-08-29 |
| 6352120 |
Packer insert for sealing on multiple items in the wellbore |
— |
2002-03-05 |
| 5848643 |
Rotating blowout preventer |
Sylvester A. Joan |
1998-12-15 |
| 5575451 |
Blowout preventer ram for coil tubing |
Kenneth W. Colvin |
1996-11-19 |
| 5339864 |
Safety sub for retaining drilling fluids |
Douglas W. Carlson |
1994-08-23 |
| 4597447 |
Diverter/bop system and method for a bottom supported offshore drilling rig |
Joseph R. Roche, Gabriel G. Alexander |
1986-07-01 |
| 4524832 |
Diverter/BOP system and method for a bottom supported offshore drilling rig |
Joseph R. Roche, Gabriel G. Alexander |
1985-06-25 |
| 4305595 |
Composite seal |
Tosh Miyagishima |
1981-12-15 |