Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665526 | System and method for downhole operation using pressure activated and sleeve valve assembly | Dewayne Turner, Richard J. Ross | 2010-02-23 |
| RE40648 | System and method for downhole operation using pressure activated valve and sliding sleeve | Dewayne Turner, Dick Ross | 2009-03-10 |
| 7490669 | Multi-zone, single trip well completion system and methods of use | David Walker, Dewayne Turner, Gregg W. Stout, Todd Ulrich Chretien, Christopher L. Blackler +1 more | 2009-02-17 |
| 7472750 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Wade Rebardi, Floyd Bishop | 2009-01-06 |
| 7383884 | Cross-over tool | Dewayne Turner, Stephen C. Yeary, Gregg W. Stout, Christopher L. Blackler | 2008-06-10 |
| 7331388 | Horizontal single trip system with rotating jetting tool | Alvaro Jose Vilela, David Walker, Wade Rebardi, Floyd Bishop | 2008-02-19 |
| 7303020 | Interventionless oil tool actuator with floating piston and method of use | Floyd Bishop, Richard J. Ross | 2007-12-04 |
| 7210527 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Wade Rebardi, Floyd Bishop | 2007-05-01 |
| 7201232 | Washpipeless isolation strings and methods for isolation with object holding service tool | Dewayne Turner, Donald H. Michel, Richard J. Ross, Floyd Bishop, Gregg W. Stout | 2007-04-10 |
| 7152678 | System and method for downhole operation using pressure activated valve and sliding sleeve | Dewayne Turner, Dick Ross | 2006-12-26 |
| 7150326 | Bi-directional ball seat system and method | Floyd Bishop, Richard J. Ross, David Walker, Dewayne Turner | 2006-12-19 |
| 7124824 | Washpipeless isolation strings and methods for isolation | Dewayne Turner, Donald H. Michel, Richard J. Ross, Floyd Bishop | 2006-10-24 |
| 7021389 | Bi-directional ball seat system and method | Floyd Bishop, Richard J. Ross, David Walker, Dewayne Turner | 2006-04-04 |
| 7017664 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Wade Rebardi, Floyd Bishop | 2006-03-28 |
| 6981551 | Cross-over tool return port cover | Dewayne Turner, Christopher L. Blackler, Stephen C. Yeary, Gregg W. Stout | 2006-01-03 |
| 6722440 | Multi-zone completion strings and methods for multi-zone completions | Dewayne Turner, Dick Ross | 2004-04-20 |
| 6568474 | Rigless one-trip perforation and gravel pack system and method | Kevin R. George, Stanley Wall, Barry Ed Smith, David Walker, David Hebert | 2003-05-27 |
| 6405800 | Method and apparatus for controlling fluid flow in a well | David Walker, Dewayne Turner | 2002-06-18 |
| 6206100 | Separable one-trip perforation and gravel pack system and method | Kevin R. George, Stanley Wall, Barry Ed Smith, David Walker, Stephen C. Yeary | 2001-03-27 |
| 5332038 | Gravel packing system | Wiliam T. Tapp, Richard A. Mollicone | 1994-07-26 |
| 4671352 | Apparatus for selectively injecting treating fluids into earth formations | Robert L. Magee, Jr. | 1987-06-09 |
| 4638860 | Apparatus for blocking communication between well bore intervals | Robert L. Magee, Jr. | 1987-01-27 |