| 10201940 |
Apparatus and method to predetermine a mechanical property of a three-dimensional object built by additive manufacturing |
Loren J. Strahm, Nathanial C. Cuddy, Daniel E. Muntges |
2019-02-12 |
| 10138690 |
Apparatus for gripping a tubular on a drilling rig |
Albert C. Odell, II, Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke +2 more |
2018-11-27 |
| 9689783 |
Z-axis test coupon structure and method for additive manufacturing process |
David M. Dietrich |
2017-06-27 |
| 9650873 |
Landing string compensator |
David E. Mouton, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more |
2017-05-16 |
| 9353603 |
Landing string compensator |
David E. Mouton, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more |
2016-05-31 |
| 9212527 |
Pipe handling system |
Karsten Heidecke, Frederick T. Tilton, Doyle Fredric Boutwell, Jr., Robert P. Badrak, Joseph Ross Rials +1 more |
2015-12-15 |
| 9109979 |
Z-axis test coupon structure and method for additive manufacturing process |
David M. Dietrich |
2015-08-18 |
| 8833470 |
Pipe handling system |
Karsten Heidecke, Frederick T. Tilton, Doyle Fredric Boutwell, Jr., Robert P. Badrak, Joseph Ross Rials +1 more |
2014-09-16 |
| 8757937 |
Drill template tool with integral seal |
John E. Inman, David M. Dietrich, John Macke |
2014-06-24 |
| 8733447 |
Landing string compensator |
David E. Mouton, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more |
2014-05-27 |
| 8567512 |
Apparatus for gripping a tubular on a drilling rig |
Albert C. Odell, II, Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke +2 more |
2013-10-29 |
| 8141642 |
Fill up and circulation tool and mudsaver valve |
Delaney Michael Olstad, Russell W. Thompson, Russell L Morgan, Jim Hollingsworth, Doyle Frederic Boutwell, Jr. +2 more |
2012-03-27 |
| 7926577 |
Methods and apparatus for supporting tubulars |
Benson Thomas, Karsten Heidecke, Delaney Michael Olstad, Doyle Frederic Boutwell, Jr. |
2011-04-19 |
| 7874352 |
Apparatus for gripping a tubular on a drilling rig |
Albert C. Odell, II, Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke +3 more |
2011-01-25 |
| 7740078 |
Method and device to clamp control lines to tubulars |
Troy F. Hill, Timothy M. Bedore, Jimmy L. Hollingsworth, David M. Haugen |
2010-06-22 |
| 7370707 |
Method and apparatus for handling wellbore tubulars |
Gary McDaniel, Allen Keith Thomas, Jr., Patrick Dean Cummins, Troy F. Hill, Tracy J. Cummins +1 more |
2008-05-13 |
| 7249637 |
Method and device to clamp control lines to tubulars |
Troy F. Hill, Timothy M. Bedore, Jimmy L. Hollingsworth, David M. Haugen |
2007-07-31 |
| 6082224 |
Power tong |
Gary McDaniels, Patrick Cummings, Steven Albright, Bernd-Georg Pietras, Jorg Schulze-Beckinghausen +1 more |
2000-07-04 |
| 6056060 |
Compensator system for wellbore tubulars |
Egill Abrahamsen, Stephen L. Albright, Jimmy L. Hollingsworth, Jean D. Bearb, Frederick M. Leicht +2 more |
2000-05-02 |
| 6000472 |
Wellbore tubular compensator system |
Stephen L. Albright, Leendert Spreij, Jean D. Bearb, Frederick M. Leicht, John Birdwell |
1999-12-14 |
| 5577566 |
Releasing tool |
Stephen L. Albright, Jimmy L. Hollingsworth, Guy L. McClung, III |
1996-11-26 |