Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11879090 | Method to enhance the self-sealing of well cement leakage pathways using a smart gel cement additive | Nathan James Welch, Hakim Boukhalfa, Robert David Gilbertson, Rajesh S. Nair, Deryck Edward Matthew Williams | 2024-01-23 |
| 7048054 | Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation | James F. Heathman | 2006-05-23 |
| 6892814 | Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation | James F. Heathman | 2005-05-17 |