Issued Patents All Time
Showing 76–100 of 307 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527094 | Double barrier system for an in situ conversion process | Billy John McKinzie, II, Kenneth M. Cowan, Wolfgang Friedrich Johann Deeg, Sau-Wai Wong | 2009-05-05 |
| 7510000 | Reducing viscosity of oil for production from a hydrocarbon containing formation | Guillermo Pastor-Sanz | 2009-03-31 |
| 7490665 | Variable frequency temperature limited heaters | Chester Ledlie Sandberg, Christopher Harris | 2009-02-17 |
| 7481274 | Temperature limited heaters with relatively constant current | Chester Ledlie Sandberg, Christopher Harris | 2009-01-27 |
| 7461691 | In situ recovery from a hydrocarbon containing formation | Ronald Marshall Bass | 2008-12-09 |
| 7431076 | Temperature limited heaters using modulated DC power | Chester Ledlie Sandberg | 2008-10-07 |
| 7424915 | Vacuum pumping of conductor-in-conduit heaters | — | 2008-09-16 |
| 7383877 | Temperature limited heaters with thermally conductive fluid used to heat subsurface formations | Christopher Harris | 2008-06-10 |
| 7360588 | Thermal processes for subsurface formations | Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow, Christopher Harris +9 more | 2008-04-22 |
| 7357180 | Inhibiting effects of sloughing in wellbores | Taixu Bai, Frederick Henry Kreisler Rambow, Dong Sub Kim | 2008-04-15 |
| 7322410 | Controllable production well packer | Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl, Jr., John Michele Hirsch, George Leo Stegemeier +1 more | 2008-01-29 |
| 7259688 | Wireless reservoir production control | John Michele Hirsch, George Leo Stegemeier, Robert Rex Burnett, Frederick Gordon Carl, Jr., William Mountjoy Savage +1 more | 2007-08-21 |
| 7225866 | In situ thermal processing of an oil shale formation using a pattern of heat sources | Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, John Michael Karanikas, Robert Charles Ryan +4 more | 2007-06-05 |
| 7219734 | Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation | Taixu Bai, Kirk Hansen | 2007-05-22 |
| 7170424 | Oil well casting electrical power pick-off points | Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl, Jr., John Michele Hirsch | 2007-01-30 |
| 7165615 | In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden | Ronald Marshall Bass | 2007-01-23 |
| 7156176 | Installation and use of removable heaters in a hydrocarbon containing formation | John Matthew Coles, Eric Pierre de Rouffignac, Bruce Gerard Hunsucker, James Louis Menotti, Christopher A. Pratt +1 more | 2007-01-02 |
| 7147059 | Use of downhole high pressure gas in a gas-lift well and associated methods | John Michele Hirsch, George Leo Stegemeier, James W. Hall, Robert Rex Burnett, William Mountjoy Savage +1 more | 2006-12-12 |
| 7128153 | Treatment of a hydrocarbon containing formation after heating | Eric Pierre de Rouffignac, Ajay Madhav Madgavkar, Kevin Albert Maher, Billy John McKinzie, II, Bruce Donald Palfreyman +4 more | 2006-10-31 |
| 7121342 | Thermal processes for subsurface formations | Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow, Christopher Harris +9 more | 2006-10-17 |
| 7121341 | Conductor-in-conduit temperature limited heaters | Chester Ledlie Sandberg, Christopher Harris, Jaime Santos Son, Fredrick Gordon Carl, Jr. | 2006-10-17 |
| 7114566 | In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor | Eric Pierre de Rouffignac, Scott Lee Wellington, Robert Martijn Van Hardeveld | 2006-10-03 |
| 7114561 | Wireless communication using well casing | Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl, Jr., Ilya Emil Berchenko | 2006-10-03 |
| 7104319 | In situ thermal processing of a heavy oil diatomite formation | Ilya Emil Berchenko, Eric Pierre de Rouffignac, John Michael Karanikas, Kevin Albert Maher, George Leo Stegemeier +2 more | 2006-09-12 |
| 7100994 | Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation | Eric Pierre de Rouffignac, Kevin Albert Maher, Lanny Gene Schoeling, Scott Lee Wellington | 2006-09-05 |