Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472750 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Marvin Bryce Traweek, Floyd Bishop | 2009-01-06 |
| 7331388 | Horizontal single trip system with rotating jetting tool | Alvaro Jose Vilela, David Walker, Marvin Bryce Traweek, Floyd Bishop | 2008-02-19 |
| 7210527 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Marvin Bryce Traweek, Floyd Bishop | 2007-05-01 |
| 7017664 | Single trip horizontal gravel pack and stimulation system and method | David Walker, Marvin Bryce Traweek, Floyd Bishop | 2006-03-28 |
| 5865251 | Isolation system and gravel pack assembly and uses thereof | Donald H. Michel | 1999-02-02 |
| 5609204 | Isolation system and gravel pack assembly | Donald H. Michel | 1997-03-11 |
| 5579844 | Single trip open hole well completion system and method | Donald H. Michel | 1996-12-03 |
| 4858690 | Upward movement only actuated gravel pack system | David L. Farley | 1989-08-22 |