Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560003 | Solvent stimulation in heavy oil wells producing a large fraction of water | James M. McMillen | 1985-12-24 |
| 4510997 | Solvent flooding to recover viscous oils | John L. Fitch | 1985-04-16 |
| 4385662 | Method of cyclic solvent flooding to recover viscous oils | John L. Fitch | 1983-05-31 |
| 4378845 | Sand control method employing special hydraulic fracturing technique | William L. Medlin, Gary L. Zumwalt | 1983-04-05 |
| 4373585 | Method of solvent flooding to recover viscous oils | John L. Fitch | 1983-02-15 |