Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376908 | Pipe conveyed extendable well logging tool | Wesley Neil Ludwig, John H. Hales, Ronald E. Cherry | 2016-06-28 |
| 8601882 | In situ testing of mechanical properties of cementitious materials | Dennis W. Gray, Joseph K. Maxson, James F. Heathman, Sairam Pindiprolu, Melissa Allin +1 more | 2013-12-10 |
| 8186259 | Perforating gun gravitational orientation system | John D. Burleson, John H. Hales | 2012-05-29 |
| 8181718 | Perforating gun gravitational orientation system | John D. Burleson, John H. Hales | 2012-05-22 |
| 7533722 | Surge chamber assembly and method for perforating in dynamic underbalanced conditions | Ryan A. Harrison, Roger Watson | 2009-05-19 |
| 7387156 | Perforating safety system | Gavin H. Drummond, Ryan A. Harrison, John H. Hales, Justin Mason | 2008-06-17 |
| 7243725 | Surge chamber assembly and method for perforating in dynamic underbalanced conditions | Ryan A. Harrison, Roger Watson | 2007-07-17 |
| 6920933 | Platform for delivery of downhole tools | Roger Watson | 2005-07-26 |
| 6708761 | Apparatus for absorbing a shock and method for use of same | John D. Burleson, Roger L. Schultz | 2004-03-23 |
| 6684954 | Bi-directional explosive transfer subassembly and method for use of same | — | 2004-02-03 |
| 6675896 | Detonation transfer subassembly and method for use of same | — | 2004-01-13 |
| 6595290 | Internally oriented perforating apparatus | Melissa Allin | 2003-07-22 |
| 6298915 | Orienting system for modular guns | — | 2001-10-09 |
| 6237688 | Pre-drilled casing apparatus and associated methods for completing a subterranean well | John D. Burleson | 2001-05-29 |
| 6006833 | Method for creating leak-tested perforating gun assemblies | John D. Burleson, Justin Mason, Joseph Albert Henke | 1999-12-28 |
| 5992289 | Firing head with metered delay | John D. Burleson | 1999-11-30 |
| 5669448 | Overbalance perforating and stimulation method for wells | James W. Minthorn, Kevin T. Berscheidt, Brian R. White, Ronald E. Savage, Merlin F. Anderson +3 more | 1997-09-23 |
| 5603379 | Bi-directional explosive transfer apparatus and method | Joseph Albert Henke | 1997-02-18 |
| 5598894 | Select fire multiple drill string tester | John D. Burleson, Justin Mason | 1997-02-04 |
| 5529127 | Apparatus and method for snubbing tubing-conveyed perforating guns in and out of a well bore | John D. Burleson | 1996-06-25 |
| 5490563 | Perforating gun actuator | David S. Wesson, Kevin R. George | 1996-02-13 |
| 5458196 | Through tubing gun hanger | John D. Burleson | 1995-10-17 |
| 5398760 | Methods of perforating a well using coiled tubing | Kevin R. George | 1995-03-21 |
| 5366014 | Method and apparatus for perforating a well using a modular perforating gun system | — | 1994-11-22 |
| 5355957 | Combined pressure testing and selective fired perforating systems | John D. Burleson, Justin Mason | 1994-10-18 |