Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056630 | Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations | Tianping Huang, James B. Crews | 2011-11-15 |
| 7942215 | Drilling fluids for oil and gas reservoirs with high carbonate contents | Tianping Huang, James B. Crews | 2011-05-17 |
| 7875575 | Compositions and methods for water and gas shut-off in subterranean wells with VES fluids | Tianping Huang, James B. Crews | 2011-01-25 |