Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162066 | Tubing weight operation for a downhole tool | Jack D. Farmer | 2012-04-24 |
| 8118092 | Swelling delay cover for a packer | James R. Korte, Kent Evans, Dustin Ellis, John J. Thurston, Anthony P. Foster | 2012-02-21 |
| 7954546 | Subterranean screen with varying resistance to flow | Namhyo Kim, Yang Xu, Michael H. Johnson, Bennett M. Richard | 2011-06-07 |
| 7938179 | Method of using a charged chamber pressure transmitter for subterranean tools | Darren E. Bane, Steven L. Jennings, David Z. Anderson | 2011-05-10 |
| 7743833 | Pressure balanced piston for subsurface safety valves | Dario Cascario, Ben Lake | 2010-06-29 |
| 7708076 | Method of using a drill in sand control liner | Bennett M. Richard, Michael H. Johnson | 2010-05-04 |
| 7681653 | Swelling delay cover for a packer | James R. Korte, Kent Evans, Dustin Ellis, John J. Thurston, Anthony P. Foster | 2010-03-23 |
| 7665518 | Method of using a charged chamber pressure transmitter for subsurface safety valves | Darren E. Bane, Steven L. Jennings, David Z. Anderson | 2010-02-23 |
| 7607477 | Optical wet connect | Carl W. Stoesz, Walter S. Going, III | 2009-10-27 |
| 7562700 | Wireline supported tubular mill | Evan G. Lewis | 2009-07-21 |
| 7562703 | Annular flow shifting device | Larry T. Palmer, Gregory L. Hern | 2009-07-21 |
| 7559371 | Method and apparatus for centralizing through tubing milling assemblies | Gerald D. Lynde, Shantur S. Tapar | 2009-07-14 |
| 7475734 | Downhole wet connect using piezoelectric contacts | Edward J. O'Malley | 2009-01-13 |
| 7472745 | Well cleanup tool with real time condition feedback to the surface | Gerald D. Lynde, John P. Davis | 2009-01-06 |
| 7422069 | Telescoping centralizers for expandable tubulars | Bennett M. Richard | 2008-09-09 |
| 7401647 | Flush mounted tubular patch | Perry D. Baycroft, Elmer R. Peterson | 2008-07-22 |
| 7387158 | Self energized packer | Douglas J. Murray | 2008-06-17 |
| 6964305 | Cup seal expansion tool | Michael E. McMahan | 2005-11-15 |
| 6899182 | Method of screen or pipe expansion downhole without addition of pipe at the surface | John P. Davis, Edwin C. Howell | 2005-05-31 |
| 6877564 | Flapper closure mechanism | Ben C. Layton | 2005-04-12 |