Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8720558 | Viscosified fluids for remediating subterranean damage | Thomas D. Welton, David E. McMechan, John M. Terracina | 2014-05-13 |
| 8622134 | Organic acid compositions and methods of use in subterranean operations | Thomas D. Welton, David E. McMechan, Mary Van Domelen | 2014-01-07 |
| 8590622 | Organic acid compositions and methods of use in subterranean operations | Thomas D. Welton, David E. McMechan, Mary Van Domelen | 2013-11-26 |
| 8476202 | Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications | Thomas D. Welton, Jeff Fleming | 2013-07-02 |
| 8470747 | Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications | Thomas D. Welton, Jeff Fleming | 2013-06-25 |
| 8413720 | Organic acid compositions and methods of use in subterranean operations | Thomas D. Welton, David E. McMechan, Mary Van Domelen | 2013-04-09 |
| 8413721 | Viscosified fluids for remediating subterranean damage | Thomas D. Welton, David E. McMechan, John M. Terracina | 2013-04-09 |
| 8377855 | Methods and compositions for treating subterranean zones | Keith A. Frost, Bradley L. Todd, Ian D. Robb | 2013-02-19 |
| 8343896 | Sealant compositions comprising diutan and associated methods | Larry S. Eoff | 2013-01-01 |
| 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 |
| 7829508 | Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures | Ian D. Robb, Bobby J. Burns | 2010-11-09 |
| 7825073 | Treatment fluids comprising clarified xanthan and associated methods | Thomas D. Welton, Michael W. Sanders, Jeffery L. Mundy, Sean R. Beach, Phillip C. Harris +8 more | 2010-11-02 |
| 7814980 | Micro-crosslinked gels and associated methods | Jason E. Bryant, Thomas D. Welton | 2010-10-19 |
| 7748456 | Dual functional components and associated methods | Thomas D. Welton, David E. McMechan, Jason E. Bryant | 2010-07-06 |
| 7727937 | Acidic treatment fluids comprising xanthan and associated methods | Thomas D. Welton | 2010-06-01 |
| 7727936 | Acidic treatment fluids comprising xanthan and associated methods | Thomas D. Welton | 2010-06-01 |
| 7621334 | Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods | Thomas D. Welton, Ian D. Robb | 2009-11-24 |