Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692566 | Formation treating method | — | 1997-12-02 |
| 5604184 | Chemically inert resin coated proppant system for control of proppant flowback in hydraulically fractured wells | Patrick D. Ellis | 1997-02-18 |