Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435276 | Spotting fluid for differential sticking | Kenneth W. Pober | 2002-08-20 |
| 6422314 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | Bradley L. Todd, B. Raghava Reddy, James V. Fisk, Jr. | 2002-07-23 |