Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7802619 | Firing trigger apparatus and method for downhole tools | Brian Hurst, John Marshall | 2010-09-28 |
| 7441601 | Perforation gun with integral debris trap apparatus and method of use | Kevin R. George, Nathan G. Clark, James A. Rollins | 2008-10-28 |
| 7353866 | Stimulation tool having a sealed ignition system | Philip M. Snider, Kevin R. George, Joseph P. Haney | 2008-04-08 |
| 7228906 | Propellant ignition assembly and process | Philip M. Snider | 2007-06-12 |
| 7044225 | Shaped charge | Joseph P. Haney | 2006-05-16 |
| 6926087 | Electro-mechanical wireline anchoring system and method | Joseph Albert Henke, Phil Phelps, David M. O'Connor | 2005-08-09 |
| 6925924 | Method and apparatus to improve perforating effectiveness using a unique multiple point initiated shaped charge perforator | Ernest L. Baker, David Charles Daniel, John L. Burba, III, Arthur S. Daniels, Robert E. Davis | 2005-08-09 |
| 6655291 | Shaped-charge liner | Dan W. Pratt, John K. Rouse | 2003-12-02 |
| 6505559 | Well bore cutting and perforating devices and methods of manufacture | Johnny Joslin, Dan W. Pratt | 2003-01-14 |
| 6354219 | Shaped-charge liner | Dan W. Pratt, John K. Rouse | 2002-03-12 |
| 6336506 | Apparatus and method for perforating and stimulating a subterranean formation | — | 2002-01-08 |
| 6263283 | Apparatus and method for generating seismic energy in subterranean formations | Philip M. Snider, Charles A. Meeder, Robert W. Wiley, John F. Schatz, Joseph P. Haney | 2001-07-17 |
| 6220370 | Circulating gun system | Gabe Williger, Lyle W. Andrich | 2001-04-24 |
| 6216596 | Zinc alloy shaped charge | — | 2001-04-17 |
| 6158511 | Apparatus and method for perforating and stimulating a subterranean formation | — | 2000-12-12 |
| 6082450 | Apparatus and method for stimulating a subterranean formation | Philip M. Snider, Joseph P. Haney | 2000-07-04 |
| 6062310 | Full bore gun system | Don Shewchenko, James A. Rollins, Lile Andrich | 2000-05-16 |
| 6053247 | Method and apparatus for severing a tubular | Philip M. Snider | 2000-04-25 |
| 6014933 | Downhole charge carrier | Donald V. Umphries, Harold D. Owen, Bobby R. Ford | 2000-01-18 |
| 5829538 | Full bore gun system and method | Don Shewchenko | 1998-11-03 |
| 5797464 | System for producing high density, extra large well perforations | Dan W. Pratt, Kevin R. George, James A. Rollins | 1998-08-25 |
| 5785130 | High density perforating gun system | Dan W. Pratt | 1998-07-28 |
| 5775426 | Apparatus and method for perforating and stimulating a subterranean formation | Philip M. Snider, Joseph P. Haney, Robert L. Haney, David A. Cuthill | 1998-07-07 |
| 5598891 | Apparatus and method for perforating and fracturing | Philip M. Snider | 1997-02-04 |
| 5571986 | Method and apparatus for activating an electric wireline firing system | Philip M. Snider, Lyle W. Andrich, William D. Smith | 1996-11-05 |