Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247543 | Shale hydration inhibition agent and method of use | Arvind D. Patel, Eric A. Davis | 2001-06-19 |
| 5908814 | Drilling fluid additive and method for inhibiting hydration | Arvind D. Patel, Carl Thaemlitz, Henry C. McLaurine | 1999-06-01 |
| 4615841 | Process for making alkaline-earth metal salts of alkaryl sulfonic acids | Thomas E. Sample, Jr., Paul H. Javora | 1986-10-07 |