Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674572 | Corrosion and erosion-resistant wellhousing | — | 1987-06-23 |
| 4452638 | Marker fluid composition for spotting cement in offshore wells | — | 1984-06-05 |
| 4391329 | Use of marker fluid in cementing offshore wells | — | 1983-07-05 |
| 4200153 | Method for cementing high temperature wells | — | 1980-04-29 |
| 4192753 | Well completion and workover fluid having low fluid loss | David Pye, Paul W. Fischer | 1980-03-11 |