Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439309 | Compositions and methods for controlling particulate movement in wellbores and subterranean formations | Ronald M. Matherly, Allan R. Rickards | 2002-08-27 |
| 6419017 | Method of preventing gas breakthrough in an oil bearing formation | Arthur S. Metcalf | 2002-07-16 |
| 6387853 | Derivatization of polymers and well treatments using the same | Subramanian Kesavan, Hoang Van Le | 2002-05-14 |
| 6383990 | Polymer expansion for oil and gas recovery | Hoang Van Le, Subramanian Kesavan | 2002-05-07 |