Issued Patents 2011
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071511 | Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove scale from wellbore tubulars or subsurface equipment | Thomas D. Welton | 2011-12-06 |
| 8006760 | Clean fluid systems for partial monolayer fracturing | Jeff Fleming, Thomas D. Welton, David E. McMechan, Bradley L. Todd, Jason E. Bryant | 2011-08-30 |
| 7989400 | Viscosified treatment fluids comprising scleroglucan or diutan and associated methods | Ian D. Robb | 2011-08-02 |
| 7960315 | Treatment fluids comprising diutan and associated methods | Thomas D. Welton, Lulu Song, Jason E. Bryant, Sean R. Beach, Ian D. Robb | 2011-06-14 |
| 7938187 | Dual functional components and associated methods | Thomas D. Welton, David E. McMechan, Jason E. Bryant | 2011-05-10 |
| 7926568 | Non-acid acidizing methods and compositions | Rajesh Kumar Saini, Bradley L. Todd, David E. McMechan, Thomas D. Welton | 2011-04-19 |
| 7921912 | Non-acid acidizing methods and compositions | Rajesh Kumar Saini, Bradley L. Todd, David E. McMechan, Thomas D. Welton | 2011-04-12 |
| 7910524 | Treatment fluids comprising diutan and associated methods | Thomas D. Welton, Lulu Song, Jason E. Bryant, Sean R. Beach, Ian D. Robb | 2011-03-22 |
| 7888297 | Compositions for reducing the viscosity of treatment fluids | Robert E. Hanes, Jr., David Griffin, Keith A. Frost, John M. Terracina | 2011-02-15 |