Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815785 | Utilization of surfactant as conformance materials | Thomas D. Welton | 2014-08-26 |
| 7829508 | Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures | Richard W. Pauls, Ian D. Robb | 2010-11-09 |
| 7825073 | Treatment fluids comprising clarified xanthan and associated methods | Thomas D. Welton, Michael W. Sanders, Jeffery L. Mundy, Sean R. Beach, Richard W. Pauls +8 more | 2010-11-02 |
| 7595282 | Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures | Richard W. Pauls, Ian D. Robb | 2009-09-29 |