Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196317 | Method and compositions for reducing the permeabilities of subterranean zones | — | 2001-03-06 |
| 5762140 | High viscosity low friction pressure loss well treating fluids and methods | Charles V. Hunt, Steve C. Harthun | 1998-06-09 |
| 5701956 | Methods and compositions for reducing water production from subterranean formations | O. Marlene Isenberg | 1997-12-30 |
| 5558161 | Method for controlling fluid-loss and fracturing high permeability subterranean formations | Sanjay Vitthal, David E. McMechan, William E. Martch, Ronald Glen Dusterhoft | 1996-09-24 |