Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7906464 | Compositions and methods for the removal of oil-based filtercakes | — | 2011-03-15 |
| 7870903 | Inverse emulsion polymers as lost circulation material | Cindy C. Fang, Carl Thaemlitz | 2011-01-18 |