Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8991493 | Multi-stage enhanced oil recovery process | — | 2015-03-31 |
| 5285848 | Method for improving the recovery of oil from a subterranean formation by solvent concentration grading | — | 1994-02-15 |
| 4773484 | Enhanced oil recovery process with reduced gas drive mobility | James G. Kralik | 1988-09-27 |
| 4195689 | Chemical waterflood process development | — | 1980-04-01 |