Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605879 | Olefin isomers as lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluids | William S. Halliday | 1997-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605879 | Olefin isomers as lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluids | William S. Halliday | 1997-02-25 |