Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051504 | Emulsified polymer drilling fluid and methods of preparation | Jay Brockhoff | 2015-06-09 |
| 8293686 | Emulsified polymer drilling fluid and methods of preparation | Jay Brockhoff | 2012-10-23 |
| 7951755 | Emulsified polymer drilling fluid and methods of preparation | Jay Brockhoff | 2011-05-31 |
| 7879768 | Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof | — | 2011-02-01 |