Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923258 | In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content | Scott Lee Wellington, Harold J. Vinegar, Ilya Emil Berchenko, George Leo Stegemeier, Etuan Zhang +3 more | 2005-08-02 |
| 6715548 | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids | Scott Lee Wellington, Harold J. Vinegar, Ilya Emil Berchenko, George Leo Stegemeier, Etuan Zhang +3 more | 2004-04-06 |