Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11124693 | Hydroxyalkylurethane kinetic hydrate inhibitors | John H. Clements, David C. Lewis | 2021-09-21 |
| 10731070 | Poly (vinyl carprolactam) kinetic gas hydrate inhibitor and method for preparing the same | John H. Clements, Jay Riethmeyer, David C. Lewis | 2020-08-04 |
| 10711179 | Method for enhancing fluid recovery from subsurface reservoirs | Deepak Patil, Ambrish Kamdar, Syed A. Ali, Oscar Portillo | 2020-07-14 |
| 9719007 | Alkylated polyetheramines as clay stabilizing agents | Matthew W. Forkner | 2017-08-01 |
| 8183185 | Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid | — | 2012-05-22 |
| 7968500 | Gas hydrate protection with heat producing two-component gas hydrate inhibitors | Qi Qu | 2011-06-28 |
| 7624805 | Method of inhibiting corrosion in a conduit | Ronald L. Hoppe, Richard L. Martin, Thane D. Schaffer | 2009-12-01 |
| 7618926 | Method of foaming saturated or near saturated brines with synergistic mixtures | — | 2009-11-17 |
| 7481276 | Method of inhibiting and/or preventing corrosion in oilfield treatment applications | Ronald L. Hoppe, Richard L. Martin, Thame D. Schaffer | 2009-01-27 |
| 7264786 | Method of scavenging hydrogen sulfide and/or mercaptans from fluid and gas streams | Patrick Logan, Ron Matherly | 2007-09-04 |
| 7067459 | Well stimulation compositions | Jeffrey C. Dawson | 2006-06-27 |
| 6756345 | Well service composition and method | Jeffrey C. Dawson | 2004-06-29 |
| 6331508 | Method for controlling gas hydrates in fluid mixtures | — | 2001-12-18 |
| 6025302 | Quaternized polyether amines as gas hydrate inhibitors | — | 2000-02-15 |
| 5741758 | Method for controlling gas hydrates in fluid mixtures | — | 1998-04-21 |
| 5389145 | Cement mixing system | D. V. Satyanarayana Gupta, William C. Pumphrey | 1995-02-14 |
| 5362408 | High temperature gel stabilizer for fracturing fluids | D. V. Satyanarayana Gupta | 1994-11-08 |
| 5360558 | Slurried polymer foam system and method for the use thereof | Barry T. Hlidek | 1994-11-01 |
| 5226479 | Fracturing fluid having a delayed enzyme breaker | D. V. Satyanarayana Gupta, Bethicia M. Prasek | 1993-07-13 |