Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706667 | Shale-stabilizing additives | Carl Keith Smith | 2004-03-16 |
| 6544933 | Drilling fluid | Paul Reid, Bernadette Craster, John Peter Crawshaw | 2003-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706667 | Shale-stabilizing additives | Carl Keith Smith | 2004-03-16 |
| 6544933 | Drilling fluid | Paul Reid, Bernadette Craster, John Peter Crawshaw | 2003-04-08 |