Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682951 | Foamed gel completion, workover, and kill fluid | — | 1997-11-04 |
| 5650379 | Process for reducing permeability in a subterranean hydrocarbon-bearing formation utilizing a gelation solution having a controlled gelation rate | — | 1997-07-22 |
| 5609208 | pH dependent process for retarding the gelation rate of a polymer gel utilized to reduce permeability in or near a subterranean hydrocarbon-bearing formation | — | 1997-03-11 |