Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634625 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Richard Nelson Fox, Andrei Zelenev, Randal M. Hill | 2023-04-25 |
| 11407930 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Andrei Zelenev, Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Glenn S. Penny | 2022-08-09 |
| 11254856 | Methods and compositions for use in oil and/or gas wells | Randal M. Hill, Lakia M. Champagne, Nathan L. Lett, David Germack, Melinda Soeung +1 more | 2022-02-22 |
| 11149189 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Richard Nelson Fox, Andrei Zelenev, Randal M. Hill | 2021-10-19 |
| 10738235 | Methods and compositions for stimulating the production of hydrocarbons from subterranean formations | Randal M. Hill, Lakia M. Champagne, Nathan L. Lett, David Germack, Nicole Mast +1 more | 2020-08-11 |
| 10703960 | Methods and compositions for use in oil and/or gas wells | Randal M. Hill, Lakia M. Champagne, Nathan L. Lett, David Germack, Melinda Soeung +1 more | 2020-07-07 |
| 10696887 | Oxidative breakers in a silicone based suspension | David Philpot, Randal M. Hill, Rondell Pennypacker, Steven Hill, Thomas R. Sifferman | 2020-06-30 |
| 10590332 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Richard Nelson Fox, Andrei Zelenev, Randal M. Hill | 2020-03-17 |
| 10196557 | Methods and compositions for stimulating the production of hydrocarbons from subterranean formations | Randal M. Hill, Lakia M. Champagne, Nathan L. Lett, David Germack, Nicole Mast +1 more | 2019-02-05 |
| 10144862 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Andrei Zelenev, Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Glenn S. Penny | 2018-12-04 |
| 9884988 | Methods and compositions for use in oil and/or gas wells | Randal M. Hill, Andrei Zelenev, James Silas, David Germack, Lakia M. Champagne +12 more | 2018-02-06 |
| 9321955 | Methods and compositions for stimulating the production of hydrocarbons from subterranean formations | Randal M. Hill, Lakia M. Champagne, Nathan L. Lett, David Germack, Nicole Mast +1 more | 2016-04-26 |
| 9200192 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Andrei Zelenev, Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Glenn S. Penny | 2015-12-01 |
| 8551244 | Self adaptive cement systems | Sylvaine Le Roy-Delage, Dominique Guillot, Erik Nelson | 2013-10-08 |
| 8469095 | Self adaptive cement systems | Sylvaine Le Roy-Delage, Muriel Martin-Beurel, Erik Nelson | 2013-06-25 |
| 7790774 | Preparation of guar suspension from guar splits | E. Wayne Kinsey, III, David N. Harry, Gordon Randall Dixon, Fati Malekahmadi | 2010-09-07 |
| 7244694 | Viscoelastic fluids containing nanotubes for oilfield uses | Diankui Fu, Stephen Davies, Ann Wattana | 2007-07-17 |
| 7166560 | Generating Acid Downhole in Acid Fracturing | John W. Still, Wayne W. Frenier | 2007-01-23 |
| 6881709 | Viscosity reduction of viscoelastic surfactant based fluids | Erik Nelson, Bernhard Lungwitz, Mathew M. Samuel, Golchi Salamat, Trevor Hughes +6 more | 2005-04-19 |
| 6613720 | Delayed blending of additives in well treatment fluids | Jean-Pierre Feraud, Michael D. Parris, Richard D. Hutchins, Stanley B. McConnell, Erik Nelson | 2003-09-02 |
| 6306800 | Methods of fracturing subterranean formations | Mathew M. Samuel, Roger J. Card, J. Ernest Brown, Kevin W. England | 2001-10-23 |
| 4344993 | Perfluorocarbon-polymeric coatings having low critical surface tensions | Donald L. Schmidt, Malcolm E. Pruitt | 1982-08-17 |