Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372641 | Cement slurries for wells | — | 1994-12-13 |
| 5368103 | Method of setting a balanced cement plug in a borehole | James F. Heathman, Anthony M. Badalamenti, Kenneth P. Marcel, Robert R. Siffert, Charles J. Rimer | 1994-11-29 |
| 5339902 | Well cementing using permeable cement | Kirk L. Harris, Ronald E. Himes, E. Dwyann Dalrymple, Jeffrey A. Dahl, Bruce D. Thomas | 1994-08-23 |
| 5292367 | Dispersant compositions for subterranean well drilling and completion | James B. Bloys, William N. Wilson, Edward Malachosky, Roger D. Bradshaw | 1994-03-08 |