Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9243472 | Wellbore plug isolation system and method | Philip M. Snider, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark, James A. Rollins +1 more | 2016-01-26 |
| 9121252 | Method and apparatus for establishing injection into a cased bore hole using a time delay toe injection apparatus | James A. Rollins, David S. Wesson | 2015-09-01 |
| 9121247 | Method and apparatus for establishing injection into a cased bore hole using a time delay toe injection apparatus | James A. Rollins, David S. Wesson | 2015-09-01 |
| 9062543 | Wellbore plug isolation system and method | Philip M. Snider, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark, James A. Rollins +1 more | 2015-06-23 |
| 9038521 | Apparatus for creating and customizing intersecting jets with oilfield shaped charges | James A. Rollins, Nathan G. Clark | 2015-05-26 |
| 8684084 | Method and apparatus for selective down hole fluid communication | David S. Wesson, Philip M. Snider | 2014-04-01 |
| 8540027 | Method and apparatus for selective down hole fluid communication | David S. Wesson, Philip M. Snider | 2013-09-24 |
| 7963342 | Downhole isolation valve and methods for use | — | 2011-06-21 |
| 7441601 | Perforation gun with integral debris trap apparatus and method of use | Nathan G. Clark, James A. Rollins, David S. Wesson | 2008-10-28 |
| 7407353 | Cargo securing strap chafe protector | — | 2008-08-05 |
| 7353866 | Stimulation tool having a sealed ignition system | Philip M. Snider, David S. Wesson, Joseph P. Haney | 2008-04-08 |
| 6568474 | Rigless one-trip perforation and gravel pack system and method | Stanley Wall, Marvin Bryce Traweek, Barry Ed Smith, David Walker, David Hebert | 2003-05-27 |
| 6206100 | Separable one-trip perforation and gravel pack system and method | Stanley Wall, Marvin Bryce Traweek, Barry Ed Smith, David Walker, Stephen C. Yeary | 2001-03-27 |
| 5797464 | System for producing high density, extra large well perforations | Dan W. Pratt, David S. Wesson, James A. Rollins | 1998-08-25 |
| 5490563 | Perforating gun actuator | David S. Wesson, Flint R. George | 1996-02-13 |
| 5398760 | Methods of perforating a well using coiled tubing | Flint R. George | 1995-03-21 |
| 5303772 | Well completion apparatus | Flint R. George, Sherman C. Minni | 1994-04-19 |
| 5301755 | Air chamber actuator for a perforating gun | Flint R. George | 1994-04-12 |
| 5170844 | Pressure responsive below-packer valve apparatus | Flint R. George, Joe Henke | 1992-12-15 |
| 5156213 | Well completion method and apparatus | Flint R. George, Sherman C. Minni | 1992-10-20 |
| 5078210 | Time delay perforating apparatus | — | 1992-01-07 |
| 5062485 | Variable time delay firing head | David S. Wesson | 1991-11-05 |
| 4969525 | Firing head for a perforating gun assembly | David S. Wesson, John E. Avila | 1990-11-13 |
| 4917189 | Method and apparatus for perforating a well | Flint R. George, David S. Wesson | 1990-04-17 |
| 4911251 | Method and apparatus for actuating a tubing conveyed perforating gun | Flint R. George | 1990-03-27 |