Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181780 | Controlling and assessing pressure conditions during treatment of tar sands formations | Etuan Zhang | 2015-11-10 |
| 9033042 | Forming bitumen barriers in subsurface hydrocarbon formations | John Michael Karanikas, Marian Marino, Robert Irving McNeil, III, Augustinus Wilhelmus Maria Roes, Robert Charles Ryan +1 more | 2015-05-19 |
| 8701768 | Methods for treating hydrocarbon formations | Marian Marino, Richard Pollard, Augustinus Wilhelmus Maria Roes | 2014-04-22 |
| 8701769 | Methods for treating hydrocarbon formations based on geology | — | 2014-04-22 |
| 8191630 | Creating fluid injectivity in tar sands formations | George Leo Stegemeier, Etuan Zhang | 2012-06-05 |
| 7866386 | In situ oxidation of subsurface formations | Weijian Mo, Busheng Li, Chonghui Shen | 2011-01-11 |
| 7730947 | Creating fluid injectivity in tar sands formations | George Leo Stegemeier, Etuan Zhang | 2010-06-08 |
| 7644765 | Heating tar sands formations while controlling pressure | George Leo Stegemeier, Etuan Zhang | 2010-01-12 |
| 7635024 | Heating tar sands formations to visbreaking temperatures | John Michael Karanikas, Tulio Rafael Colmenares, Etuan Zhang, Marian Marino, Augustinus Wilhelmus Maria Roes +3 more | 2009-12-22 |
| 7360588 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2008-04-22 |
| 7121342 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2006-10-17 |
| 6344491 | Method for operating a fischer-tropsch process using a high pressure autothermal reactor as the pressure source for the process | Michael D. Briscoe | 2002-02-05 |
| 6239184 | Extended catalyst life Fischer-Tropsch process | James Leahy, Greg A. Lisewsky, Kernan J. McHugh, Michael D. Briscoe | 2001-05-29 |
| 6201030 | Process and apparatus for regenerating a particulate catalyst | — | 2001-03-13 |
| 6172124 | Process for converting gas to liquids | John R. Wolflick, Richard L. Payne | 2001-01-09 |
| 6169120 | Extended catalyst life two stage hydrocarbon synthesis process | — | 2001-01-02 |
| 6054496 | Method for transporting a heavy crude oil produced via a wellbore from a subterranean formation to a market location and converting it into a distillate product stream using a solvent deasphalting process | Steven Dexter Crane, Harrison F. Blacker | 2000-04-25 |
| 5935423 | Method for producing from a subterranean formation via a wellbore, transporting and converting a heavy crude oil into a distillate product stream | Steven Dexter Crane, Harrison F. Blacker | 1999-08-10 |
| 5929125 | Method for producing heavy crude oil via a wellbore from a subterranean formation and converting the heavy crude oil into a distillate product stream | Steven Dexter Crane | 1999-07-27 |
| 5755840 | Method for providing oxygen in gas process | — | 1998-05-26 |
| 5663491 | Method for steam quality measurement | — | 1997-09-02 |
| 5084074 | Method and apparatus for separating and recovering water and light aromatic hydrocarbons from a gaseous stream | James L. Skinner | 1992-01-28 |
| 4957048 | Apparatus for treating crude oil sludges and the like | Ying LI | 1990-09-18 |
| 4787323 | Treating sludges and soil materials contaminated with hydrocarbons | Ying LI | 1988-11-29 |
| 4775457 | Method for treating crude oil sludges and the like | Ying LI | 1988-10-04 |