Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476145 | Selective placement of a permeability-reducing material in a subterranean interval to inhibit vertical flow through the interval | Robert D. Sydansk | 1995-12-19 |
| 4694904 | Cyclic flooding of a naturally-fractured formation | Steven B. Hinchman | 1987-09-22 |