|
| US4018279 | 12. Nov. 1975 | 19. Apr. 1977 | | In situ coal combustion heat recovery method |
| US4086960 | 25. Febr. 1976 | 2. Mai 1978 | | Apparatus for hydrocarbon recovery from earth strata |
| US4148359 | 30. Jan. 1978 | 10. Apr. 1979 | Shell Oil Company | Pressure-balanced oil recovery process for water productive oil shale |
| US4149597 | 27. Dez. 1977 | 17. Apr. 1979 | Texaco Exploration Canada Ltd. | Method for generating steam |
| US4265310 | 3. Okt. 1978 | 5. Mai 1981 | Continental Oil Company | Fracture preheat oil recovery process |
| US4310049 | 17. Apr. 1979 | 12. Jan. 1982 | California Institute of Technology | Crude oil desulfurization |
| US4319635 | 29. Febr. 1980 | 16. März 1982 | P. H. Jones Hydrogeology, Inc. | Method for enhanced oil recovery by geopressured waterflood |
| US4362213 | 19. Nov. 1980 | 7. Dez. 1982 | Hydrocarbon Research, Inc. | Method of in situ oil extraction using hot solvent vapor injection |
| US4398602 | 11. Aug. 1981 | 16. Aug. 1983 | Mobil Oil Corporation | Gravity assisted solvent flooding process |
| US4417620 | 12. Nov. 1981 | 29. Nov. 1983 | Mobil Oil Corporation | Method of recovering oil using steam |
| US4458758 | 8. März 1982 | 10. Juli 1984 | Mobil Oil Corporation | Selected well completion for improving vertical conformance of steam drive process |
| US4546829 | 11. Febr. 1985 | 15. Okt. 1985 | Mason & Hanger-Silas Mason Co., Inc. | Enhanced oil recovery process |
| US4614234 | 14. März 1985 | 30. Sept. 1986 | Standard Oil Company | Method of recovering coal values by combining underground coal gasification with surface coal liquefaction |
| US4687058 | 22. Mai 1986 | 18. Aug. 1987 | Conoco Inc. | Solvent enhanced fracture-assisted steamflood process |
| US5221159 | 7. Juni 1991 | 22. Juni 1993 | Environmental Improvement Technologies, Inc. | Subsurface contaminant remediation, biodegradation and extraction methods and apparatuses |
| US5277518 | 27. Nov. 1991 | 11. Jan. 1994 | Environmental Improvement Technologies, Inc. | Contaminant remediation, biodegradation and removel methods and apparatus |
| US5472294 | 10. Jan. 1994 | 5. Dez. 1995 | Environmental Improvement Technologies, Inc. | Contaminant remediation, biodegradation and volatilization methods and apparatuses |
| US5554290 | 11. Apr. 1995 | 10. Sept. 1996 | Geraghty & Miller, Inc. | Insitu anaerobic reactive zone for insitu metals precipitation and to achieve microbial de-nitrification |
| US5575589 | 11. Apr. 1995 | 19. Nov. 1996 | Geraghty & Miller, Inc. | Apparatus and method for removing volatile contaminants from phreatic water |
| US5588490 | 31. Mai 1995 | 31. Dez. 1996 | Geraghty & Miller, Inc. | Method and system to achieve two dimensional air sparging |
| US5653288 | 5. Dez. 1995 | 5. Aug. 1997 | | Contaminant remediation, biodegradation and volatilization methods and apparatuses |
| US6007274 | 19. Mai 1997 | 28. Dez. 1999 | ARCADIS Geraghty & Miller | In-well air stripping, oxidation, and adsorption |
| US6102623 | 18. Mai 1999 | 15. Aug. 2000 | ARCADIS Geraghty & Miller, Inc. | In-well air stripping, oxidation, and adsorption |
| US6116816 | 26. Aug. 1998 | 12. Sept. 2000 | ARCADIS Geraghty & Miller, Inc. | In situ reactive gate for groundwater remediation |
| US6143177 | 21. Sept. 1998 | 7. Nov. 2000 | Arcadis Geraghty & Miller, Inc. | Engineered in situ anaerobic reactive zones |
| US6254310 | 8. Mai 2000 | 3. Juli 2001 | ARCADIS Geraghty & Miller, Inc. | In-well air stripping and adsorption |
| US6280118 | 9. Juni 2000 | 28. Aug. 2001 | Arcadis Geraghty & Miller, Inc. | In situ reactive gate |
| US6283674 | 8. Mai 2000 | 4. Sept. 2001 | Arcadis Geraghty & Miller | In-well air stripping, oxidation, and adsorption |
| US6322700 | 2. Aug. 2000 | 27. Nov. 2001 | Arcadis Geraghty & Miller | Engineered in situ anaerobic reactive zones |
| US6540023 | 27. März 2001 | 1. Apr. 2003 | ExxonMobil Research and Engineering Company | Process for producing a diesel fuel stock from bitumen and synthesis gas |
| US6632364 | 8. Juni 2001 | 14. Okt. 2003 | Arcadis G & M | Engineered in situ anaerobic reactive zones |
| US6871707 | 24. Apr. 2001 | 29. März 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration |
| US6877554 | 24. Apr. 2001 | 12. Apr. 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control |
| US6877555 | 24. Apr. 2002 | 12. Apr. 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation while inhibiting coking |
| US6880633 | 24. Apr. 2002 | 19. Apr. 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation to produce a desired product |
| US6880635 | 24. Apr. 2001 | 19. Apr. 2005 | Shell Oil Company | In situ production of synthesis gas from a coal formation, the synthesis gas having a selected H2 to CO ratio |
| US6889769 | 24. Apr. 2001 | 10. Mai 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with a selected moisture content |
| US6896053 | 24. Apr. 2001 | 24. Mai 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources |
| US6902003 | 24. Apr. 2001 | 7. Juni 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content |
| US6913078 | 24. Apr. 2001 | 5. Juli 2005 | Shell Oil Company | In Situ thermal processing of hydrocarbons within a relatively impermeable formation |
| US6915850 | 24. Apr. 2002 | 12. Juli 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation having permeable and impermeable sections |
| US6918442 | 24. Apr. 2002 | 19. Juli 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation in a reducing environment |
| US6918443 | 24. Apr. 2002 | 19. Juli 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range |
| US6923257 | 24. Apr. 2002 | 2. Aug. 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation to produce a condensate |
| US6923258 | 12. Juni 2003 | 2. Aug. 2005 | Shell Oil Company | In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| US6929067 | 24. Apr. 2002 | 16. Aug. 2005 | Shell Oil Company | Heat sources with conductive material for in situ thermal processing of an oil shale formation |
| US6932155 | 24. Okt. 2002 | 23. Aug. 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| US6948562 | 24. Apr. 2002 | 27. Sept. 2005 | Shell Oil Company | Production of a blending agent using an in situ thermal process in a relatively permeable formation |
| US6948563 | 24. Apr. 2001 | 27. Sept. 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content |
| US6951247 | 24. Apr. 2002 | 4. Okt. 2005 | Shell Oil Company | In situ thermal processing of an oil shale formation using horizontal heat sources |
| US6953087 | 24. Apr. 2001 | 11. Okt. 2005 | Shell Oil Company | Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation |
| US6959761 | 24. Apr. 2001 | 1. Nov. 2005 | Shell Oil Company | In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells |
| US6964300 | 24. Apr. 2002 | 15. Nov. 2005 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore |
| US6966372 | 24. Apr. 2001 | 22. Nov. 2005 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids |
| US6966374 | 24. Apr. 2002 | 22. Nov. 2005 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation using gas to increase mobility |
| US6969123 | 24. Okt. 2002 | 29. Nov. 2005 | Shell Oil Company | Upgrading and mining of coal |
| US6973967 | 24. Apr. 2001 | 13. Dez. 2005 | Shell Oil Company | Situ thermal processing of a coal formation using pressure and/or temperature control |
| US6981548 | 24. Apr. 2002 | 3. Jan. 2006 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation |
| US6991032 | 24. Apr. 2002 | 31. Jan. 2006 | Shell Oil Company | In situ thermal processing of an oil shale formation using a pattern of heat sources |
| US6991033 | 24. Apr. 2002 | 31. Jan. 2006 | Shell Oil Company | In situ thermal processing while controlling pressure in an oil shale formation |
| US6991036 | 24. Apr. 2002 | 31. Jan. 2006 | Shell Oil Company | Thermal processing of a relatively permeable formation |
| US6991045 | 24. Okt. 2002 | 31. Jan. 2006 | Shell Oil Company | Forming openings in a hydrocarbon containing formation using magnetic tracking |
| US6994160 | 24. Apr. 2001 | 7. Febr. 2006 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range |
| US6994161 | 24. Apr. 2001 | 7. Febr. 2006 | | In situ thermal processing of a coal formation with a selected moisture content |
| US6994168 | 24. Apr. 2001 | 7. Febr. 2006 | | In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio |
| US6994169 | 24. Apr. 2002 | 7. Febr. 2006 | Shell Oil Company | In situ thermal processing of an oil shale formation with a selected property |
| US6997255 | 24. Apr. 2001 | 14. Febr. 2006 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
| US6997518 | 24. Apr. 2002 | 14. Febr. 2006 | Shell Oil Company | In situ thermal processing and solution mining of an oil shale formation |
| US7004247 | 24. Apr. 2002 | 28. Febr. 2006 | Shell Oil Company | Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation |
| US7004251 | 24. Apr. 2002 | 28. Febr. 2006 | Shell Oil Company | In situ thermal processing and remediation of an oil shale formation |
| US7011154 | 24. Okt. 2002 | 14. März 2006 | Shell Oil Company | In situ recovery from a kerogen and liquid hydrocarbon containing formation |
| US7013972 | 24. Apr. 2002 | 21. März 2006 | Shell Oil Company | In situ thermal processing of an oil shale formation using a natural distributed combustor |
| US7017661 | 24. Apr. 2001 | 28. März 2006 | Shell Oil Company | Production of synthesis gas from a coal formation |
| US7032660 | 24. Apr. 2002 | 25. Apr. 2006 | Shell Oil Company | In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation |
| US7040397 | 24. Apr. 2002 | 9. Mai 2006 | Shell Oil Company | Thermal processing of an oil shale formation to increase permeability of the formation |
| US7040398 | 24. Apr. 2002 | 9. Mai 2006 | Shell Oil Company | In situ thermal processing of a relatively permeable formation in a reducing environment |
| US7040399 | 24. Apr. 2002 | 9. Mai 2006 | Shell Oil Company | In situ thermal processing of an oil shale formation using a controlled heating rate |
| US7040400 | 24. Apr. 2002 | 9. Mai 2006 | Shell Oil Company | In situ thermal processing of a relatively impermeable formation using an open wellbore |
| US7051807 | 24. Apr. 2002 | 30. Mai 2006 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation with quality control |
| US7051808 | 24. Okt. 2002 | 30. Mai 2006 | Shell Oil Company | Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| US7051811 | 24. Apr. 2002 | 30. Mai 2006 | Shell Oil Company | In situ thermal processing through an open wellbore in an oil shale formation |
| US7055600 | 24. Apr. 2002 | 6. Juni 2006 | Shell Oil Company | In situ thermal recovery from a relatively permeable formation with controlled production rate |
| US7063145 | 24. Okt. 2002 | 20. Juni 2006 | Shell Oil Company | Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations |
| US7066254 | 24. Okt. 2002 | 27. Juni 2006 | Shell Oil Company | In situ thermal processing of a tar sands formation |
| US7066257 | 24. Okt. 2002 | 27. Juni 2006 | Shell Oil Company | In situ recovery from lean and rich zones in a hydrocarbon containing formation |
| US7073578 | 24. Okt. 2003 | 11. Juli 2006 | Shell Oil Company | Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| US7077198 | 24. Okt. 2002 | 18. Juli 2006 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation using barriers |
| US7077199 | 24. Okt. 2002 | 18. Juli 2006 | Shell Oil Company | In situ thermal processing of an oil reservoir formation |
| US7086465 | 24. Okt. 2002 | 8. Aug. 2006 | Shell Oil Company | In situ production of a blending agent from a hydrocarbon containing formation |
| US7086468 | 24. Apr. 2001 | 8. Aug. 2006 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores |
| US7090013 | 24. Okt. 2002 | 15. Aug. 2006 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce heated fluids |
| US7096942 | 24. Apr. 2002 | 29. Aug. 2006 | Shell Oil Company | In situ thermal processing of a relatively permeable formation while controlling pressure |
| US7096953 | 24. Apr. 2001 | 29. Aug. 2006 | Shell Oil Company | In situ thermal processing of a coal formation using a movable heating element |
| US7100994 | 24. Okt. 2002 | 5. Sept. 2006 | Shell Oil Company | Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation |
| US7104319 | 24. Okt. 2002 | 12. Sept. 2006 | Shell Oil Company | In situ thermal processing of a heavy oil diatomite formation |
| US7114566 | 24. Okt. 2002 | 3. Okt. 2006 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| US7121341 | 24. Okt. 2003 | 17. Okt. 2006 | Shell Oil Company | Conductor-in-conduit temperature limited heaters |
| US7121342 | 23. Apr. 2004 | 17. Okt. 2006 | Shell Oil Company | Thermal processes for subsurface formations |
| US7128153 | 24. Okt. 2002 | 31. Okt. 2006 | Shell Oil Company | Treatment of a hydrocarbon containing formation after heating |
| US7156176 | 24. Okt. 2002 | 2. Jan. 2007 | Shell Oil Company | Installation and use of removable heaters in a hydrocarbon containing formation |
| US7165615 | 24. Okt. 2002 | 23. Jan. 2007 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden |
| US7219734 | 24. Okt. 2003 | 22. Mai 2007 | Shell Oil Company | Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation |
| US7225866 | 31. Jan. 2006 | 5. Juni 2007 | Shell Oil Company | In situ thermal processing of an oil shale formation using a pattern of heat sources |
| US7320364 | 22. Apr. 2005 | 22. Jan. 2008 | Shell Oil Company | Inhibiting reflux in a heated well of an in situ conversion system |
| US7353872 | 22. Apr. 2005 | 8. Apr. 2008 | Shell Oil Company | Start-up of temperature limited heaters using direct current (DC) |
| US7357180 | 22. Apr. 2005 | 15. Apr. 2008 | Shell Oil Company | Inhibiting effects of sloughing in wellbores |
| US7360588 | 17. Okt. 2006 | 22. Apr. 2008 | Shell Oil Company | Thermal processes for subsurface formations |
| US7370704 | 22. Apr. 2005 | 13. Mai 2008 | Shell Oil Company | Triaxial temperature limited heater |
| US7383877 | 22. Apr. 2005 | 10. Juni 2008 | Shell Oil Company | Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| US7424915 | 22. Apr. 2005 | 16. Sept. 2008 | Shell Oil Company | Vacuum pumping of conductor-in-conduit heaters |
| US7431076 | 22. Apr. 2005 | 7. Okt. 2008 | Shell Oil Company | Temperature limited heaters using modulated DC power |
| US7435037 | 21. Apr. 2006 | 14. Okt. 2008 | Shell Oil Company | Low temperature barriers with heat interceptor wells for in situ processes |
| US7461691 | 23. Jan. 2007 | 9. Dez. 2008 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation |
| US7481274 | 22. Apr. 2005 | 27. Jan. 2009 | Shell Oil Company | Temperature limited heaters with relatively constant current |
| US7490665 | 22. Apr. 2005 | 17. Febr. 2009 | Shell Oil Company | Variable frequency temperature limited heaters |
| US7500528 | 21. Apr. 2006 | 10. März 2009 | Shell Oil Company | Low temperature barrier wellbores formed using water flushing |
| US7510000 | 22. Apr. 2005 | 31. März 2009 | Shell Oil Company | Reducing viscosity of oil for production from a hydrocarbon containing formation |
| US7527094 | 21. Apr. 2006 | 5. Mai 2009 | Shell Oil Company | Double barrier system for an in situ conversion process |
| US7533719 | 20. Apr. 2007 | 19. Mai 2009 | Shell Oil Company | Wellhead with non-ferromagnetic materials |
| US7540324 | 19. Okt. 2007 | 2. Juni 2009 | Shell Oil Company | Heating hydrocarbon containing formations in a checkerboard pattern staged process |
| US7546873 | 21. Apr. 2006 | 16. Juni 2009 | Shell Oil Company | Low temperature barriers for use with in situ processes |
| US7549470 | 20. Okt. 2006 | 23. Juni 2009 | Shell Oil Company | Solution mining and heating by oxidation for treating hydrocarbon containing formations |
| US7556095 | 20. Okt. 2006 | 7. Juli 2009 | Shell Oil Company | Solution mining dawsonite from hydrocarbon containing formations with a chelating agent |
| US7556096 | 20. Okt. 2006 | 7. Juli 2009 | Shell Oil Company | Varying heating in dawsonite zones in hydrocarbon containing formations |
| US7559367 | 20. Okt. 2006 | 14. Juli 2009 | Shell Oil Company | Temperature limited heater with a conduit substantially electrically isolated from the formation |
| US7559368 | 20. Okt. 2006 | 14. Juli 2009 | Shell Oil Company | Solution mining systems and methods for treating hydrocarbon containing formations |
| US7562706 | 20. Okt. 2006 | 21. Juli 2009 | Shell Oil Company | Systems and methods for producing hydrocarbons from tar sands formations |
| US7562707 | 19. Okt. 2007 | 21. Juli 2009 | Shell Oil Company | Heating hydrocarbon containing formations in a line drive staged process |
| US7575052 | 21. Apr. 2006 | 18. Aug. 2009 | Shell Oil Company | In situ conversion process utilizing a closed loop heating system |
| US7575053 | 21. Apr. 2006 | 18. Aug. 2009 | Shell Oil Company | Low temperature monitoring system for subsurface barriers |
| US7581589 | 20. Okt. 2006 | 1. Sept. 2009 | Shell Oil Company | Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid |
| US7584789 | 20. Okt. 2006 | 8. Sept. 2009 | Shell Oil Company | Methods of cracking a crude product to produce additional crude products |
| US7591310 | 20. Okt. 2006 | 22. Sept. 2009 | Shell Oil Company | Methods of hydrotreating a liquid stream to remove clogging compounds |
| US7597147 | 20. Apr. 2007 | 6. Okt. 2009 | Shell Oil Company | Temperature limited heaters using phase transformation of ferromagnetic material |
| US7604052 | 20. Apr. 2007 | 20. Okt. 2009 | Shell Oil Company | Compositions produced using an in situ heat treatment process |
| US7610962 | 20. Apr. 2007 | 3. Nov. 2009 | Shell Oil Company | Sour gas injection for use with in situ heat treatment |
| US7631689 | 20. Apr. 2007 | 15. Dez. 2009 | Shell Oil Company | Sulfur barrier for use with in situ processes for treating formations |
| US7631690 | 19. Okt. 2007 | 15. Dez. 2009 | Shell Oil Company | Heating hydrocarbon containing formations in a spiral startup staged sequence |
| US7635023 | 20. Apr. 2007 | 22. Dez. 2009 | Shell Oil Company | Time sequenced heating of multiple layers in a hydrocarbon containing formation |
| US7635024 | 19. Okt. 2007 | 22. Dez. 2009 | Shell Oil Company | Heating tar sands formations to visbreaking temperatures |
| US7635025 | 20. Okt. 2006 | 22. Dez. 2009 | Shell Oil Company | Cogeneration systems and processes for treating hydrocarbon containing formations |
| US7640980 | 7. Apr. 2008 | 5. Jan. 2010 | Shell Oil Company | Thermal processes for subsurface formations |
| US7644765 | 19. Okt. 2007 | 12. Jan. 2010 | Shell Oil Company | Heating tar sands formations while controlling pressure |
| US7673681 | 19. Okt. 2007 | 9. März 2010 | Shell Oil Company | Treating tar sands formations with karsted zones |
| US7673786 | 20. Apr. 2007 | 9. März 2010 | Shell Oil Company | Welding shield for coupling heaters |
| US7677310 | 19. Okt. 2007 | 16. März 2010 | Shell Oil Company | Creating and maintaining a gas cap in tar sands formations |
| US7677314 | 19. Okt. 2007 | 16. März 2010 | Shell Oil Company | Method of condensing vaporized water in situ to treat tar sands formations |
| US7681647 | 19. Okt. 2007 | 23. März 2010 | Shell Oil Company | Method of producing drive fluid in situ in tar sands formations |
| US7683296 | 20. Apr. 2007 | 23. März 2010 | Shell Oil Company | Adjusting alloy compositions for selected properties in temperature limited heaters |
| US7703513 | 19. Okt. 2007 | 27. Apr. 2010 | Shell Oil Company | Wax barrier for use with in situ processes for treating formations |
| US7717171 | 19. Okt. 2007 | 18. Mai 2010 | Shell Oil Company | Moving hydrocarbons through portions of tar sands formations with a fluid |
| US7730945 | 19. Okt. 2007 | 8. Juni 2010 | Shell Oil Company | Using geothermal energy to heat a portion of a formation for an in situ heat treatment process |
| US7730946 | 19. Okt. 2007 | 8. Juni 2010 | Shell Oil Company | Treating tar sands formations with dolomite |
| US7730947 | 19. Okt. 2007 | 8. Juni 2010 | Shell Oil Company | Creating fluid injectivity in tar sands formations |
| US7735935 | 1. Juni 2007 | 15. Juni 2010 | Shell Oil Company | In situ thermal processing of an oil shale formation containing carbonate minerals |
| US7740062 | 30. Jan. 2008 | 22. Juni 2010 | Alberta Research Council Inc. | System and method for the recovery of hydrocarbons by in-situ combustion |
| US7785427 | 20. Apr. 2007 | 31. Aug. 2010 | Shell Oil Company | High strength alloys |
| US7793722 | 20. Apr. 2007 | 14. Sept. 2010 | Shell Oil Company | Non-ferromagnetic overburden casing |
| US7798220 | 18. Apr. 2008 | 21. Sept. 2010 | Shell Oil Company | In situ heat treatment of a tar sands formation after drive process treatment |
| US7798221 | 31. Mai 2007 | 21. Sept. 2010 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation |
| US7831134 | 21. Apr. 2006 | 9. Nov. 2010 | Shell Oil Company | Grouped exposed metal heaters |
| US7832484 | 18. Apr. 2008 | 16. Nov. 2010 | Shell Oil Company | Molten salt as a heat transfer fluid for heating a subsurface formation |
| US7841401 | 19. Okt. 2007 | 30. Nov. 2010 | Shell Oil Company | Gas injection to inhibit migration during an in situ heat treatment process |
| US7841408 | 18. Apr. 2008 | 30. Nov. 2010 | Shell Oil Company | In situ heat treatment from multiple layers of a tar sands formation |
| US7841425 | 18. Apr. 2008 | 30. Nov. 2010 | Shell Oil Company | Drilling subsurface wellbores with cutting structures |
| US7845411 | 19. Okt. 2007 | 7. Dez. 2010 | Shell Oil Company | In situ heat treatment process utilizing a closed loop heating system |
| US7849922 | 18. Apr. 2008 | 14. Dez. 2010 | Shell Oil Company | In situ recovery from residually heated sections in a hydrocarbon containing formation |
| US7860377 | 21. Apr. 2006 | 28. Dez. 2010 | Shell Oil Company | Subsurface connection methods for subsurface heaters |
| US7866385 | 20. Apr. 2007 | 11. Jan. 2011 | Shell Oil Company | Power systems utilizing the heat of produced formation fluid |
| US7866386 | 13. Okt. 2008 | 11. Jan. 2011 | Shell Oil Company | In situ oxidation of subsurface formations |
| US7866388 | 13. Okt. 2008 | 11. Jan. 2011 | Shell Oil Company | High temperature methods for forming oxidizer fuel |
| US7912358 | 20. Apr. 2007 | 22. März 2011 | Shell Oil Company | Alternate energy source usage for in situ heat treatment processes |
| US7931086 | 18. Apr. 2008 | 26. Apr. 2011 | Shell Oil Company | Heating systems for heating subsurface formations |
| US7942197 | 21. Apr. 2006 | 17. Mai 2011 | Shell Oil Company | Methods and systems for producing fluid from an in situ conversion process |
| US7942203 | 4. Jan. 2010 | 17. Mai 2011 | Shell Oil Company | Thermal processes for subsurface formations |
| US7950453 | 18. Apr. 2008 | 31. Mai 2011 | Shell Oil Company | Downhole burner systems and methods for heating subsurface formations |
| US7986869 | 21. Apr. 2006 | 26. Juli 2011 | Shell Oil Company | Varying properties along lengths of temperature limited heaters |
| US8011451 | 13. Okt. 2008 | 6. Sept. 2011 | Shell Oil Company | Ranging methods for developing wellbores in subsurface formations |
| US8027571 | 21. Apr. 2006 | 27. Sept. 2011 | Shell Oil Company | In situ conversion process systems utilizing wellbores in at least two regions of a formation |
| US8042610 | 18. Apr. 2008 | 25. Okt. 2011 | Shell Oil Company | Parallel heater system for subsurface formations |
| US8070840 | 21. Apr. 2006 | 6. Dez. 2011 | Shell Oil Company | Treatment of gas from an in situ conversion process |
| US8083813 | 20. Apr. 2007 | 27. Dez. 2011 | Shell Oil Company | Methods of producing transportation fuel |
| US8113272 | 13. Okt. 2008 | 14. Febr. 2012 | Shell Oil Company | Three-phase heaters with common overburden sections for heating subsurface formations |
| US8146661 | 13. Okt. 2008 | 3. Apr. 2012 | Shell Oil Company | Cryogenic treatment of gas |
| US8146669 | 13. Okt. 2008 | 3. Apr. 2012 | Shell Oil Company | Multi-step heater deployment in a subsurface formation |
| US8151880 | 9. Dez. 2010 | 10. Apr. 2012 | Shell Oil Company | Methods of making transportation fuel |
| US8151907 | 10. Apr. 2009 | 10. Apr. 2012 | Shell Oil Company | Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations |
| US8162059 | 13. Okt. 2008 | 24. Apr. 2012 | Shell Oil Company | Induction heaters used to heat subsurface formations |
| US8162405 | 10. Apr. 2009 | 24. Apr. 2012 | Shell Oil Company | Using tunnels for treating subsurface hydrocarbon containing formations |
| US8172335 | 10. Apr. 2009 | 8. Mai 2012 | Shell Oil Company | Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations |
| US8177305 | 10. Apr. 2009 | 15. Mai 2012 | Shell Oil Company | Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations |
| US8191630 | 28. Apr. 2010 | 5. Juni 2012 | Shell Oil Company | Creating fluid injectivity in tar sands formations |
| US8196658 | 13. Okt. 2008 | 12. Juni 2012 | Shell Oil Company | Irregular spacing of heat sources for treating hydrocarbon containing formations |
| US8220539 | 9. Okt. 2009 | 17. Juli 2012 | Shell Oil Company | Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation |
| US8224163 | 24. Okt. 2003 | 17. Juli 2012 | Shell Oil Company | Variable frequency temperature limited heaters |
| US8224164 | 24. Okt. 2003 | 17. Juli 2012 | Shell Oil Company | Insulated conductor temperature limited heaters |
| US8224165 | 21. Apr. 2006 | 17. Juli 2012 | Shell Oil Company | Temperature limited heater utilizing non-ferromagnetic conductor |
| US8225866 | 21. Juli 2010 | 24. Juli 2012 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation |
| US8230927 | 16. Mai 2011 | 31. Juli 2012 | Shell Oil Company | Methods and systems for producing fluid from an in situ conversion process |
| US8233782 | 29. Sept. 2010 | 31. Juli 2012 | Shell Oil Company | Grouped exposed metal heaters |
| US8238730 | 24. Okt. 2003 | 7. Aug. 2012 | Shell Oil Company | High voltage temperature limited heaters |
| US8240774 | 13. Okt. 2008 | 14. Aug. 2012 | Shell Oil Company | Solution mining and in situ treatment of nahcolite beds |
| USRE33102 | 12. Juli 1988 | 31. Okt. 1989 | The Upjohn Company | Removal of volatile contaminants from the vadose zone of contaminated ground |
