Issued Patents All Time
Showing 76–100 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722430 | In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio | Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +4 more | 2004-04-20 |
| 6722431 | In situ thermal processing of hydrocarbons within a relatively permeable formation | John Michael Karanikas, Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, Kevin Albert Maher +3 more | 2004-04-20 |
| 6719047 | In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment | Thomas David Fowler, Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko +3 more | 2004-04-13 |
| 6715549 | In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, George Leo Stegemeier +4 more | 2004-04-06 |
| 6715548 | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, George Leo Stegemeier +3 more | 2004-04-06 |
| 6712137 | In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material | Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +3 more | 2004-03-30 |
| 6712136 | In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, Gordon Thomas Shahin, Jr., Ilya Emil Berchenko +4 more | 2004-03-30 |
| 6712135 | In situ thermal processing of a coal formation in reducing environment | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +3 more | 2004-03-30 |
| 6708758 | In situ thermal processing of a coal formation leaving one or more selected unprocessed areas | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, John Michael Karanikas, Ilya Emil Berchenko +4 more | 2004-03-23 |
| 6702016 | In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, Gordon Thomas Shahin, Jr., Ilya Emil Berchenko +4 more | 2004-03-09 |
| 6698515 | In situ thermal processing of a coal formation using a relatively slow heating rate | John Michael Karanikas, Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, Ilya Emil Berchenko +3 more | 2004-03-02 |
| 6688387 | In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Gordon Thomas Shahin, Jr., John Michael Karanikas +4 more | 2004-02-10 |
| 6607033 | In Situ thermal processing of a coal formation to produce a condensate | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +3 more | 2003-08-19 |
| 6591907 | In situ thermal processing of a coal formation with a selected vitrinite reflectance | Etuan Zhang, Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas +4 more | 2003-07-15 |
| 6591906 | In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, George Leo Stegemeier +4 more | 2003-07-15 |
| 6588504 | In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids | Scott Lee Wellington, Harold J. Vinegar, John Michael Karanikas, Ilya Emil Berchenko, George Leo Stegemeier +2 more | 2003-07-08 |
| 6588503 | In Situ thermal processing of a coal formation to control product composition | John Michael Karanikas, Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko +3 more | 2003-07-08 |
| 6585410 | Radiant temperature nulling radiometer | — | 2003-07-01 |
| 6581684 | In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, George Leo Stegemeier +3 more | 2003-06-24 |
| 5507940 | Hydrodenitrification catalyst and process | — | 1996-04-16 |
| 5391291 | Hydrogenation catalyst and process | Bruce H. C. Winquist, Brendan Dermot Murray, Stanley Nemec Milam, Thomas W. Hastings | 1995-02-21 |
| 5043524 | Selective double-bond isomerization process | — | 1991-08-27 |
| 5008003 | Start-up of a hydrorefining process | John Anthony Smegal, Richard M. Nash | 1991-04-16 |
| 5006224 | Start-up of a hydrorefining process | John Anthony Smegal, Haluk A. Bilgic, Vance Jordan Grieshop | 1991-04-09 |
| 4761448 | Stabilized crystalline polymers | Robert Q. Kluttz, Richard A. Kemp | 1988-08-02 |