Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410412 | Multizone frac system | — | 2016-08-09 |
| 9359877 | Method and apparatus for single-trip time progressive wellbore treatment | — | 2016-06-07 |
| 8794330 | Apparatus for single-trip time progressive wellbore treatment | — | 2014-08-05 |
| 8459347 | Subterranean well ultra-short slip and packing element system | — | 2013-06-11 |
| 7490669 | Multi-zone, single trip well completion system and methods of use | David Walker, Dewayne Turner, Todd Ulrich Chretien, Christopher L. Blackler, Jack Robbins +1 more | 2009-02-17 |
| 7383884 | Cross-over tool | Dewayne Turner, Marvin Bryce Traweek, Stephen C. Yeary, Christopher L. Blackler | 2008-06-10 |
| 7201232 | Washpipeless isolation strings and methods for isolation with object holding service tool | Dewayne Turner, Donald H. Michel, Marvin Bryce Traweek, Richard J. Ross, Floyd Bishop | 2007-04-10 |
| 6981551 | Cross-over tool return port cover | Dewayne Turner, Marvin Bryce Traweek, Christopher L. Blackler, Stephen C. Yeary | 2006-01-03 |
| 6364017 | Single trip perforate and gravel pack system | James T. Matte | 2002-04-02 |
| 6167970 | Isolation tool release mechanism | James T. Matte | 2001-01-02 |
| 5641019 | Swab-resistant subterranean well packer | James T. Matte | 1997-06-24 |
| 5597040 | Combination gravel packing/frac apparatus for use in a subterranean well bore | James T. Matte | 1997-01-28 |
| 5180010 | Multiple acting lock for gravel pack system | James T. Matte | 1993-01-19 |
| 4880056 | Hydraulically activated firing head for well perforating guns | John A. Nelson | 1989-11-14 |
| 4830120 | Methods and apparatus for perforating a deviated casing in a subterranean well | — | 1989-05-16 |
| 4817718 | Hydraulically activated firing head for well perforating guns | John A. Nelson | 1989-04-04 |
| 4747201 | Boosterless perforating gun | Joseph F. Donovan, Phillip W. Schmuck | 1988-05-31 |
| 4658900 | High energy firing head for well perforating guns | — | 1987-04-21 |
| 4657089 | Method and apparatus for initiating subterranean well perforating gun firing from bottom to top | — | 1987-04-14 |
| 4635734 | Boosterless perforating gun and method of assembly | Joseph F. Donovan, Phillip W. Schmuck | 1987-01-13 |
| 4616701 | Well perforating apparatus including an underbalancing valve | William D. Myers | 1986-10-14 |
| 4611660 | Wireline conveyed firing mechanism for well perforating gun | Elmer R. Peterson | 1986-09-16 |
| 4610312 | Redundant firing mechanism for a well perforating gun | John A. Nelson | 1986-09-09 |
| 4606409 | Fluid pressure actuated firing mechanism for a well perforating gun | Elmer R. Peterson | 1986-08-19 |
| 4598776 | Method and apparatus for firing multisection perforating guns | — | 1986-07-08 |