Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335725 | Wellbore cementing method | — | 1994-08-09 |
| 5333690 | Cementing with blast furnace slag using spacer | James J. W. Nahm | 1994-08-02 |
| 5330006 | Oil mud displacement with blast furnace slag/surfactant | James J. W. Nahm, Kenneth M. Cowan | 1994-07-19 |
| 5316083 | Blast furnace slag spacer | James J. W. Nahm | 1994-05-31 |
| 5309997 | Well fluid for in-situ borehole repair | James J. W. Nahm | 1994-05-10 |