Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749025 | Lightweight methods and compositions for sand control | Harold Dean Brannon, Christopher John Stephenson | 2004-06-15 |
| 6439309 | Compositions and methods for controlling particulate movement in wellbores and subterranean formations | Ronald M. Matherly, Jeffrey C. Dawson | 2002-08-27 |
| 6364018 | Lightweight methods and compositions for well treating | Harold Dean Brannon, Christopher John Stephenson | 2002-04-02 |
| 6330916 | Formation treatment method using deformable particles | Harold Dean Brannon, Philip Rae, Gino DiLullo, Christopher John Stephenson | 2001-12-18 |
| 6059034 | Formation treatment method using deformable particles | Harold Dean Brannon, Philip Rae, Gino DiLullo, Christopher John Stephenson | 2000-05-09 |
| 5547026 | Crosslinked guar based blocking gel system for use at low to high temperatures | Harold Dean Brannon, Brian B. Beall, Marshall G. Ault | 1996-08-20 |
| 5247995 | Method of dissolving organic filter cake obtained from polysaccharide based fluids used in production operations and completions of oil and gas wells | Robert M. Tjon-Joe-Pin, Harold Dean Brannon | 1993-09-28 |
| 5224544 | Enzyme complex used for breaking crosslinked cellulose based blocking gels at low to moderate temperatures | Robert M. Tjon-Joe-Pin | 1993-07-06 |