Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165945 | Blends of glycol derivatives as gas hydrate inhibitors in water base drilling, drill-in, and completion fluids | William S. Halliday, Dennis K. Clapper, Ronald G. Bland | 2000-12-26 |
| 6080704 | Glycols as gas hydrate inhibitors in drilling, drill-in, and completion fluids | William S. Halliday, Dennis K. Clapper | 2000-06-27 |