Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157022 | Fluid loss control in viscoelastic surfactant fracturing fluids using water soluble polymers | — | 2015-10-13 |
| 8188015 | Methods and compositions for fracturing subterranean formations | James B. Crews, Tianping Huang, Allen D. Gabrysch, James H. Treadway, John R. Willingham +1 more | 2012-05-29 |
| 8105985 | Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers | James B. Crews | 2012-01-31 |
| 7723272 | Methods and compositions for fracturing subterranean formations | James B. Crews, Tianping Huang, Allen D. Gabrysch, James H. Treadway, John R. Willingham +1 more | 2010-05-25 |
| 7530393 | Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers | James B. Crews | 2009-05-12 |
| 6923260 | Mitigation of proppant sticking in removing downhole tools | Martin P. Coronado | 2005-08-02 |
| 6302209 | Surfactant compositions and uses therefor | Joseph E. Thompson, Harold Dean Brannon, George Tso-chih Woo, Jeffrey C. Dawson, Marshall G. Ault | 2001-10-16 |
| 5624886 | Controlled degradation of polysaccharides | Jeffrey C. Dawson, Hoang Van Le | 1997-04-29 |
| 5336316 | Cementing composition and method using phosphonated polymers to improve cement slurry properties | Jeffrey C. Dawson | 1994-08-09 |
| 5226481 | Method for increasing the stability of water-based fracturing fluids | Hoang Van Le | 1993-07-13 |
| 5105885 | Well cementing method using a dispersant and fluid loss intensifier | Windal Scott Bray | 1992-04-21 |