Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108083 | Apparatus and method for completing an interval of a wellbore while drilling | Floyd R. Simonds, Morris W. Cox, Terry Dailey, Tommie A. Freeman, Jiten Chatterji +8 more | 2006-09-19 |
| 7048048 | Expandable sand control screen and method for use of same | Philip D. Nguyen, Jimmie D. Weaver, Johnny Barton, R. Ashley Donaldson, Alex Procyk +4 more | 2006-05-23 |
| 6766862 | Expandable sand control device and specialized completion system and method | Jiten Chatterji, R. Ashley Donaldson, Ronald Glen Dusterhoft, Tommy Frank Grigsby, Travis Hailey +4 more | 2004-07-27 |
| 6543545 | Expandable sand control device and specialized completion system and method | Jiten Chatterji, R. Ashley Donaldson, Ronald Glen Dusterhoft, Tommy Frank Grigsby, Travis Hailey +4 more | 2003-04-08 |
| 6491104 | Open-hole test method and apparatus for subterranean wells | Curtis Len Wilie, Tommy Frank Grigsby | 2002-12-10 |
| 6263966 | Expandable well screen | Richard Carl Haut, Ian Mickelburgh, Ronald Glen Dusterhoft, Pat York | 2001-07-24 |
| 6213209 | Methods of preventing the production of sand with well fluids | Philip D. Nguyen, Brahmadeo T. Dewprashad, Jimmie D. Weaver | 2001-04-10 |