Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986355 | Process for the preparation of fluid loss additive and gel breaker | Charles R. Clark, Lisa A. Cantu, D. Philip Cords, Edward Francis McBride | 1991-01-22 |
| 4876449 | Reservoir evaluation using partitioning tracer | Preston L. Gant | 1989-10-24 |
| 4687058 | Solvent enhanced fracture-assisted steamflood process | Yogendra Soni, Jeff J. Jurinak | 1987-08-18 |
| 4251369 | Radial design submerged coalescer for separation of liquids | R. Leroy Grimsley | 1981-02-17 |
| 4212748 | Polymer flood filtration improvement | Howard H. Ferrell, Dell Conley, Olaf M. Stokke | 1980-07-15 |