Issued Patents All Time
Showing 25 most recent of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9016370 | Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment | Gerald Jacob Daub, Charles Robert Keedy, Mariela Gertrudis Araujo Fresky, Matthew Lee Holman | 2015-04-28 |
| 8875788 | Low temperature inductive heating of subsurface formations | Scott Vinh Nguyen | 2014-11-04 |
| 8789586 | In situ recovery from a hydrocarbon containing formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Robert Charles Ryan, Gordon Thomas Shahin, Jr., George Leo Stegemeier +3 more | 2014-07-29 |
| 8485252 | In situ recovery from a hydrocarbon containing formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Robert Charles Ryan, Gordon Thomas Shahin, Jr., George Leo Stegemeier +3 more | 2013-07-16 |
| 8267170 | Offset barrier wells in subsurface formations | Billy John McKinzie, II | 2012-09-18 |
| 8225866 | In situ recovery from a hydrocarbon containing formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Robert Charles Ryan, Gordon Thomas Shahin, Jr., George Leo Stegemeier +3 more | 2012-07-24 |
| 7798221 | In situ recovery from a hydrocarbon containing formation | Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +12 more | 2010-09-21 |
| 7635025 | Cogeneration systems and processes for treating hydrocarbon containing formations | Harold J. Vinegar, John Michael Karanikas | 2009-12-22 |
| 7610962 | Sour gas injection for use with in situ heat treatment | — | 2009-11-03 |
| 7575052 | In situ conversion process utilizing a closed loop heating system | Chester Ledlie Sandberg, Harold J. Vinegar, Willen Jan Antoon Henri Schoeber | 2009-08-18 |
| 7225866 | In situ thermal processing of an oil shale formation using a pattern of heat sources | Ilya Emil Berchenko, Eric Pierre de Rouffignac, John Michael Karanikas, Robert Charles Ryan, Gordon Thomas Shahin, Jr. +4 more | 2007-06-05 |
| 7096953 | In situ thermal processing of a coal formation using a movable heating element | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, John Michael Karanikas, Ilya Emil Berchenko +3 more | 2006-08-29 |
| 7096941 | In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer | Eric Pierre de Rouffignac, Harold J. Vinegar, John Michael Karanikas, Ilya Emil Berchenko, George Leo Stegemeier +4 more | 2006-08-29 |
| 7096942 | In situ thermal processing of a relatively permeable formation while controlling pressure | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Robert Charles Ryan, Gordon Thomas Shahin, Jr., George Leo Stegemeier +3 more | 2006-08-29 |
| 7086468 | In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, John Michael Karanikas, Ilya Emil Berchenko +4 more | 2006-08-08 |
| 7077199 | In situ thermal processing of an oil reservoir formation | Harold J. Vinegar, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Robert Charles Ryan, Scott Lee Wellington +1 more | 2006-07-18 |
| 7051811 | In situ thermal processing through an open wellbore in an oil shale formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Bruce Gerard Hunsucker, John Michael Karanikas, Charles Robert Keedy +4 more | 2006-05-30 |
| 7040400 | In situ thermal processing of a relatively impermeable formation using an open wellbore | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Bruce Gerard Hunsucker, John Michael Karanikas, Charles Robert Keedy +4 more | 2006-05-09 |
| 7040399 | In situ thermal processing of an oil shale formation using a controlled heating rate | Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Robert Charles Ryan, Gordon Thomas Shahin, Jr. +3 more | 2006-05-09 |
| 7040398 | In situ thermal processing of a relatively permeable formation in a reducing environment | Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Robert Charles Ryan, Gordon Thomas Shahin, Jr. +3 more | 2006-05-09 |
| 7040397 | Thermal processing of an oil shale formation to increase permeability of the formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Robert Charles Ryan, Gordon Thomas Shahin, Jr., George Leo Stegemeier +3 more | 2006-05-09 |
| 7036583 | In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation | Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, Ilya Emil Berchenko, George Leo Stegemeier +3 more | 2006-05-02 |
| 7017661 | Production of synthesis gas from a coal formation | Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +5 more | 2006-03-28 |
| 6997255 | In situ thermal processing of a hydrocarbon containing formation in a reducing environment | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, IIya Emil Berchenko, George Leo Stegemeier +3 more | 2006-02-14 |
| 6994160 | In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range | Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, George Leo Stegemeier +3 more | 2006-02-07 |