Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597992 | Clay inhibitors for drilling, fracturing, and other procedures | Michael J. Skriba, Joseph A. Monahan, Raymond H. Pieternella | 2020-03-24 |
| 10577530 | Compounds and method for enhanced oil recovery using sulfur surfactants | Kimberley D. Macewan, Chao Yang | 2020-03-03 |
| 10435619 | Compounds and method for enhanced oil recovery using sulfur surfactants | Kimberley D. Macewan, Chao Yang | 2019-10-08 |
| 10370582 | Compounds and method for enhanced oil recovery using sulfur surfactants | Kimberley D. Macewan, Chao Yang | 2019-08-06 |
| 10000688 | Composition and method for enhanced hydrocarbon recovery | Julian Richard Barnes, Hendrik Dirkzwager, Robert Moene, Kirk Herbert Raney | 2018-06-19 |
| 9732267 | Composition for enhanced hydrocarbon recovery from a formation | Julian Richard Barnes, Marten Adriaan Buijse, Marinus Cornelis Grutters, Robert Moene, Thomas Carl Semple +1 more | 2017-08-15 |
| 9187688 | Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families | Julian Richard Barnes, Marten Adriaan Buijse, Marinus Cornelis Grutters, Robert Moene, Thomas Carl Semple +1 more | 2015-11-17 |
| 8163675 | Emulsifier based on polyamines and fatty acid/maleic anhydride | Hua Yu, Wangqi Hou, Mohammad A. Rahman | 2012-04-24 |
| 6573221 | Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines | Todd A. Talashek, Mac Seheult, Trish Carter, Helena Chang | 2003-06-03 |
| 5948733 | Fluid loss control | Kay E. Cawiezel, Vernon G. Constien | 1999-09-07 |
| 5929002 | Fluid loss control | Victor Andrew Joyce, Vernon G. Constien | 1999-07-27 |