Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801272 | Tubular gripping device | Napoleon Arizmendi | 2020-10-13 |
| 9366118 | Processes and systems for treating oil and gas wells | Napoleon Arizmendi, Mark H. Yamasaki | 2016-06-14 |
| 9200509 | System and method for measuring well flow rate | Mark H. Yamasaki, David King Anderson, II, Mitcell Carl Smithson | 2015-12-01 |
| 8960295 | Fracture valve tools and related methods | Napoleon Arizmendi | 2015-02-24 |
| 8905139 | Blapper valve tools and related methods | Napoleon Arizmendi | 2014-12-09 |
| 8408306 | Processes and systems for treating oil and gas wells | Napoleon Arizmendi, Mark H. Yamasaki | 2013-04-02 |
| 7360590 | Energized thermoplastic sealing element and method of use | Edward J. Kossa, Rafael Ramirez | 2008-04-22 |
| 6659184 | Multi-line back pressure control system | Timothy R. Tips, Brett W. Bouldin | 2003-12-09 |
| 6470970 | Multiplier digital-hydraulic well control system and method | Dan Purkis, Brett W. Bouldin | 2002-10-29 |
| 6055213 | Subsurface well apparatus | Dan Bangert, Brett W. Bouldin, Kevin R. Jones, Steven C. Owens | 2000-04-25 |
| 5904207 | Packer | Stephen Reid | 1999-05-18 |
| 5685369 | Metal seal well packer | Steven Ellis, Allan Sharp, Stephen Reid | 1997-11-11 |
| 5636689 | Release/anti-preset mechanism for down-hole tools | Brett W. Bouldin | 1997-06-10 |
| 5547029 | Surface controlled reservoir analysis and management system | Brett W. Boundin, Steven C. Owens | 1996-08-20 |
| 5273109 | Retrievable packer | Napoleon Arizmendi, Henry Joe Jordan, Jr. | 1993-12-28 |
| 5226494 | Subsurface well apparatus | Daniel S. Bangert | 1993-07-13 |
| 5044433 | Pack-off well apparatus with straight shear release | Mike A. Luke, Brett W. Bouldin, Frank Mooney | 1991-09-03 |
| 4979567 | Method and apparatus for selective retraction of a tubing carried perforating gun | — | 1990-12-25 |
| 4953622 | Subterranean well casing float tool | Douglas J. Lehr, Merle L. Bell, Richard L. Forehand | 1990-09-04 |
| 4949792 | Packer assembly and means for activating same only in smaller diameter well conduit | Alfred R. Curington | 1990-08-21 |
| 4949793 | Method and apparatus for completion of a well | F. T. Tilton, A. A. Mullins, Daniel S. Bangert, Forrest W. Howard, Scott E. Carpenter +1 more | 1990-08-21 |
| 4936387 | Method and apparatus for completion of a horizontal well | — | 1990-06-26 |
| 4872510 | Subterranean well casing float tool | Douglas J. Lehr, Merle L. Bell, Richard L. Forehand | 1989-10-10 |
| 4778008 | Selectively releasable and reengagable expansion joint for subterranean well tubing strings | Manuel E. Gonzalez, William Dean Moody | 1988-10-18 |
| 4612985 | Seal assembly for well tools | David M. Haugen | 1986-09-23 |