Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604186 | Encapsulated enzyme breaker and method for use in treating subterranean formations | Charles V. Hunt, Ronald J. Powell, Michael L. Carter, Lewis R. Norman | 1997-02-18 |
| 5386874 | Perphosphate viscosity breakers in well fracture fluids | Steven B. Laramay, Ronald J. Powell | 1995-02-07 |