Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263283 | Apparatus and method for generating seismic energy in subterranean formations | Charles A. Meeder, Robert W. Wiley, John F. Schatz, Joseph P. Haney, David S. Wesson | 2001-07-17 |
| 6082450 | Apparatus and method for stimulating a subterranean formation | Joseph P. Haney, David S. Wesson | 2000-07-04 |
| 6053247 | Method and apparatus for severing a tubular | David S. Wesson | 2000-04-25 |
| 5775426 | Apparatus and method for perforating and stimulating a subterranean formation | Joseph P. Haney, Robert L. Haney, David S. Wesson, David A. Cuthill | 1998-07-07 |
| 5598891 | Apparatus and method for perforating and fracturing | David S. Wesson | 1997-02-04 |
| 5571986 | Method and apparatus for activating an electric wireline firing system | David S. Wesson, Lyle W. Andrich, William D. Smith | 1996-11-05 |
| 5511617 | Apparatus and method for temporarily plugging a tubular | David S. Wesson, Lyle W. Andrich | 1996-04-30 |
| 5454420 | Method and apparatus for rotating downhole tool in wellbore | Michael Dietrich | 1995-10-03 |
| 5297633 | Inflatable packer assembly | Michael Dietrich, Vel Berzin | 1994-03-29 |
| 5000264 | Method and means for introducing treatment fluid into a subterranean formation | — | 1991-03-19 |
| 4846280 | Drill stem test method and apparatus | — | 1989-07-11 |