Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697440 | Control of particulate flowback in subterranean wells | Jimmie D. Weaver, Philip D. Nguyen | 1997-12-16 |
| 5680900 | Method for enhancing fluid loss control in subterranean formation | Philip D. Nguyen, David L. Brown, Jimmie D. Weaver, Wes C. Lavin | 1997-10-28 |