Issued Patents 2011
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056630 | Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations | Tianping Huang, John R. Willingham | 2011-11-15 |
| 8053397 | Using nanoparticles for water flow control in subterranean formations | Tianping Huang, Michael H. Johnson | 2011-11-08 |
| 8044106 | Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids | — | 2011-10-25 |
| 7992640 | Organic acid treating fluids with viscoelastic surfactants and internal breakers | Tianping Huang | 2011-08-09 |
| 7967068 | Particles in oil for viscoelastic surfactant gelled fluids | Tianping Huang | 2011-06-28 |
| 7942215 | Drilling fluids for oil and gas reservoirs with high carbonate contents | Tianping Huang, John R. Willingham | 2011-05-17 |
| 7942206 | In-flow control device utilizing a water sensitive media | Tianping Huang, Aaron C. Hammer, Martin P. Coronado | 2011-05-17 |
| 7939472 | Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants | — | 2011-05-10 |
| 7879767 | Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants | Perry D. Baycroft, Allen D. Gabrysch, Paul McElfresh | 2011-02-01 |
| 7875575 | Compositions and methods for water and gas shut-off in subterranean wells with VES fluids | Tianping Huang, John R. Willingham | 2011-01-25 |