Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067342 | Internal breakers for viscoelastic surfactant fluids | Leiming Li, Carlos Abad | 2011-11-29 |
| 8003577 | Method of treating subterranean formation with crosslinked polymer fluid | Leiming Li, Paul R. Howard, Carlos Abad, Michael D. Parris, Andrey Mirakyan +2 more | 2011-08-23 |
| 7998909 | Foaming agent for subterranean formations treatment, and methods of use thereof | Carlos Abad, Bruno Drochon, Gregory Kubala, Laura Schafer, Alejandro Pena +1 more | 2011-08-16 |
| 7950459 | Using a biphasic solution as a recyclable coiled tubing cleanout fluid | Philip F. Sullivan, Gary John Tustin, Yiyan Chen | 2011-05-31 |
| 7923414 | Rheology modifier comprising a tetrakis(hydroxyalkyl) phosphonium salt for polymer fluids | Leiming Li, Mathew M. Samuel, Syed A. Ali | 2011-04-12 |
| 7897547 | Viscoelastic surfactant rheology modifier | Leiming Li | 2011-03-01 |
| 7879770 | Oxidative internal breaker for viscoelastic surfactant fluids | Yiyan Chen, Philip F. Sullivan, Belgin Baser, Carlos Abad, Jesse Lee | 2011-02-01 |