| 10597986 |
Method and apparatus for bi-directionally anchoring a liner in a borehole |
Travis Raymond Burke, James Hall, Raghavendar Ranganathan, Srihari Chebolu |
2020-03-24 |
| 7225870 |
Hydraulic tools for setting liner top packers and method for cementing liners |
Gerald Pedersen |
2007-06-05 |
| 7172029 |
Bi-directionally boosting and internal pressure trapping packing element system |
Gerald Pedersen, Tarald Gudmestad |
2007-02-06 |
| 7165622 |
Packer with metal sealing element |
Tarald Gudmestad |
2007-01-23 |
| 7114573 |
Hydraulic setting tool for liner hanger |
Patrick Maguire |
2006-10-03 |
| 7055611 |
Plug-dropping container for releasing a plug into a wellbore |
Gerald Pedersen |
2006-06-06 |
| 7048055 |
Packer with integral cleaning device |
— |
2006-05-23 |
| 6981547 |
Wire lock expandable connection |
Patrick Maguire |
2006-01-03 |
| 6962206 |
Packer with metal sealing element |
Tarald Gudmestad |
2005-11-08 |
| 6920927 |
Method and apparatus for anchoring downhole tools in a wellbore |
— |
2005-07-26 |
| 6908121 |
Locking arrangement for a threaded connector |
Tarald Gudmestad, Mark J. Murray, Gerald Pedersen |
2005-06-21 |
| 6902008 |
Bi-directionally boosting and internal pressure trapping packing element system |
Gerald Pedersen, Tarald Gudmestad |
2005-06-07 |
| 6877567 |
Expansion set liner hanger and method of setting same |
— |
2005-04-12 |
| 6866100 |
Mechanically opened ball seat and expandable ball seat |
Tarald Gudmestad, Gerald Pedersen |
2005-03-15 |
| 6776228 |
Ball dropping assembly |
Gerald Pedersen |
2004-08-17 |
| 6715541 |
Ball dropping assembly |
Gerald Pedersen |
2004-04-06 |
| 6672384 |
Plug-dropping container for releasing a plug into a wellbore |
Gerald Pedersen |
2004-01-06 |
| 6241023 |
Unlocking packer setting method and device |
Christiaan D. Krauss |
2001-06-05 |
| 6079496 |
Reduced-shock landing collar |
— |
2000-06-27 |
| 5944108 |
Method for multi-lateral completion and cementing the juncture with lateral wellbores |
John L. Baugh, Douglas J. Murray |
1999-08-31 |