Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360787 | Dispersant compositions comprising sulfonated isobutylene maleic anhydride copolymer for subterranean well drilling and completion | James B. Bloys, William N. Wilson, Edward Malachosky, Roger A. Grey | 1994-11-01 |
| 5292367 | Dispersant compositions for subterranean well drilling and completion | James B. Bloys, William N. Wilson, Edward Malachosky, Robert B. Carpenter | 1994-03-08 |
| 5117909 | Well conduit sealant and placement method | Bonsall S. Wilton, J. Benjamin Bloys, Kenneth R. Riggs | 1992-06-02 |
| 5113943 | Spacer fluids | William N. Wilson, Bonsall S. Wilton, Robert B. Carpenter | 1992-05-19 |
| 5076852 | Cementing oil and gas wells | James B. Bloys, William N. Wilson | 1991-12-31 |
| 5038863 | Cementing oil and gas wells | James B. Bloys, William N. Wilson | 1991-08-13 |
| 5030366 | Spacer fluids | William N. Wilson, Bonsall S. Wilton, Robert B. Carpenter | 1991-07-09 |