Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634625 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Keith Ingram Dismuke, Richard Nelson Fox, Randal M. Hill | 2023-04-25 |
| 11407930 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Keith Ingram Dismuke, Glenn S. Penny | 2022-08-09 |
| 11149189 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Keith Ingram Dismuke, Richard Nelson Fox, Randal M. Hill | 2021-10-19 |
| 11001748 | Method of preparing and using a drag-reducing additive having a dispersion polymer | Lakia M. Champagne, David Philpot | 2021-05-11 |
| 10590332 | Siloxane surfactant additives for oil and gas applications | Glenn S. Penny, Keith Ingram Dismuke, Richard Nelson Fox, Randal M. Hill | 2020-03-17 |
| 10144862 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Keith Ingram Dismuke, Glenn S. Penny | 2018-12-04 |
| 10144865 | Method of preparing and using drag-reducing dispersion polymer compositions | Lakia M. Champagne, David Philpot | 2018-12-04 |
| 9884988 | Methods and compositions for use in oil and/or gas wells | Keith Ingram Dismuke, Randal M. Hill, James Silas, David Germack, Lakia M. Champagne +12 more | 2018-02-06 |
| 9200192 | Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons | Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Keith Ingram Dismuke, Glenn S. Penny | 2015-12-01 |
| 8916508 | Drag-reducing copolymer compositions | Earl Parnell, Todd Sanner, Marlin D. Holtmyer, David Philpot, Gydeon Gilzow +2 more | 2014-12-23 |
| 8865632 | Drag-reducing copolymer compositions | Earl Parnell, Todd Sanner, Marlin D. Holtmyer, David Philpot, Gydeon Gilzow +2 more | 2014-10-21 |
| 6592718 | Method of improving retention and drainage in a papermaking process using a diallyl-N,N-disubstituted ammonium halide-acrylamide copolymer and a structurally modified cationic polymer | Jane B. Wong Shing, Ross T. Gray, Jiwei Chen | 2003-07-15 |
| 6444091 | Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking | William J. Ward, Andrew J. Dunham, Phillip W. Carter | 2002-09-03 |