Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662448 | Well treatment method using sodium silicate to seal formation | James K. Eastlack, Gary D. Herring, William N. Wilson | 1987-05-05 |
| 4627496 | Squeeze cement method using coiled tubing | Terry Harrison, James K. Eastlack, Curtis G. Blount, Gary D. Herring, David R. Underdown | 1986-12-09 |