Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619391 | Combined sealing and gripping unit for retrievable packers | Conrad G. Weinig | 2003-09-16 |
| 6615920 | Template and system of templates for drilling and completing offset well bores | Gary J. Collins, Doug Murray, Aubrey C. Mills | 2003-09-09 |
| 6607032 | Multi-layer screen and downhole completion method | Benn Voll, Elmer R. Peterson, Simon Angelle, Ken Dyson, John Todd Broome | 2003-08-19 |
| 6598677 | Hanging liners by pipe expansion | Rod Bennett, George Givens | 2003-07-29 |
| 6561271 | Hanging liners by pipe expansion | Rod Bennett, George Givens | 2003-05-13 |
| 6478092 | Well completion method and apparatus | Benn Voll, Elmer R. Peterson, Simon Angelle, Ken Dyson, John Todd Broome | 2002-11-12 |
| 6467540 | Combined sealing and gripping unit for retrievable packers | Conrad G. Weinig | 2002-10-22 |
| 6450261 | Flexible swedge | — | 2002-09-17 |
| 6446724 | Hanging liners by pipe expansion | Rod Bennett, George Givens | 2002-09-10 |
| 6431277 | Liner hanger | James D. Cox, Jr., Sidney K. Smith, Jr., George Givens, Rodney D. Bennett, Timothy Wootan | 2002-08-13 |
| 6401822 | Float valve assembly for downhole tubulars | — | 2002-06-11 |
| 6206095 | Apparatus for dropping articles downhole | — | 2001-03-27 |
| 6073692 | Expanding mandrel inflatable packer | Edward T. Wood | 2000-06-13 |
| 6012526 | Method for sealing the junctions in multilateral wells | Steven L. Jennings, James Kenneth Whanger, Arne Gunnar Larsen, Brian Wood, Christopher L. Gann +8 more | 2000-01-11 |
| 5944108 | Method for multi-lateral completion and cementing the juncture with lateral wellbores | David Hirth, Douglas J. Murray | 1999-08-31 |
| 5856790 | Remote control for a plug-dropping head | Steven C. Owens, David Rothers, Michael W. Holcombe | 1999-01-05 |
| 5839508 | Downhole apparatus for generating electrical power in a well | Paulo Tubel, Michael W. Holcombe, Albert Augustus Mullins, Robert C. Ross | 1998-11-24 |
| 5685373 | Assembly and process for drilling and completing multiple wells | Gary J. Collins, Kevin O. Trahan | 1997-11-11 |
| 5611547 | Elongated seal assembly for sealing well tubing-to liner annulus | Anthony Charles Machala | 1997-03-18 |
| 5590713 | Remote control for well tool | Steven C. Owens, David Rothers, Michael W. Holcombe | 1997-01-07 |
| 5560426 | Downhole tool actuating mechanism | Kevin O. Trahan | 1996-10-01 |
| 5511620 | Straight Bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore | George J. Melenyzer | 1996-04-30 |
| 5477925 | Method for multi-lateral completion and cementing the juncture with lateral wellbores | Kevin O. Trahan, Rodney D. Bennett, Christiaan D. Krauss | 1995-12-26 |
| 5435390 | Remote control for a plug-dropping head | Steven C. Owens, David Rothers, Michael W. Holcombe | 1995-07-25 |
| 5333692 | Straight bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore | George J. Melenyzer | 1994-08-02 |