Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066068 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Anatoly Vladimirovich Medvedev | 2011-11-29 |
| 8061424 | Method for hydraulic fracturing of subterranean formation | Dean M. Willberg, Matthew J. Miller, Marc Thiercelin | 2011-11-22 |