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| US6581684 | 24 Abr 2001 | 24 Jun 2003 | Shell Oil Company | In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids |
| US6588503 | 24 Abr 2001 | 8 Jul 2003 | Shell Oil Company | In Situ thermal processing of a coal formation to control product composition |
| US6588504 | 24 Abr 2001 | 8 Jul 2003 | Shell Oil Company | In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids |
| US6591906 | 24 Abr 2001 | 15 Jul 2003 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content |
| US6591907 | 24 Abr 2001 | 15 Jul 2003 | Shell Oil Company | In situ thermal processing of a coal formation with a selected vitrinite reflectance |
| US6607033 | 24 Abr 2001 | 19 Ago 2003 | Shell Oil Company | In Situ thermal processing of a coal formation to produce a condensate |
| US6609570 | 24 Abr 2001 | 26 Ago 2003 | Shell Oil Company | In situ thermal processing of a coal formation and ammonia production |
| US6688387 | 24 Abr 2001 | 10 Feb 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate |
| US6698515 | 24 Abr 2001 | 2 Mar 2004 | Shell Oil Company | In situ thermal processing of a coal formation using a relatively slow heating rate |
| US6702016 | 24 Abr 2001 | 9 Mar 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer |
| US6708758 | 24 Abr 2001 | 23 Mar 2004 | Shell Oil Company | In situ thermal processing of a coal formation leaving one or more selected unprocessed areas |
| US6712135 | 24 Abr 2001 | 30 Mar 2004 | Shell Oil Company | In situ thermal processing of a coal formation in reducing environment |
| US6712136 | 24 Abr 2001 | 30 Mar 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing |
| US6712137 | 24 Abr 2001 | 30 Mar 2004 | Shell Oil Company | In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material |
| US6715546 | 24 Abr 2001 | 6 Abr 2004 | Shell Oil Company | In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore |
| US6715547 | 24 Abr 2001 | 6 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation |
| US6715548 | 24 Abr 2001 | 6 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids |
| US6715549 | 24 Abr 2001 | 6 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio |
| US6719047 | 24 Abr 2001 | 13 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment |
| US6722429 | 24 Abr 2001 | 20 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas |
| US6722430 | 24 Abr 2001 | 20 Abr 2004 | Shell Oil Company | In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio |
| US6722431 | 24 Abr 2001 | 20 Abr 2004 | Shell Oil Company | In situ thermal processing of hydrocarbons within a relatively permeable formation |
| US6725920 | 24 Abr 2001 | 27 Abr 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products |
| US6725921 | 24 Abr 2001 | 27 Abr 2004 | Shell Oil Company | In situ thermal processing of a coal formation by controlling a pressure of the formation |
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| US6732794 | 24 Abr 2001 | 11 May 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
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| US6732796 | 24 Abr 2001 | 11 May 2004 | Shell Oil Company | In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio |
| US6736215 | 24 Abr 2001 | 18 May 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| US6739393 | 24 Abr 2001 | 25 May 2004 | Shell Oil Company | In situ thermal processing of a coal formation and tuning production |
| US6739394 | 24 Abr 2001 | 25 May 2004 | Shell Oil Company | Production of synthesis gas from a hydrocarbon containing formation |
| US6742587 | 24 Abr 2001 | 1 Jun 2004 | Shell Oil Company | In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| US6742588 | 24 Abr 2001 | 1 Jun 2004 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| US6742589 | 24 Abr 2001 | 1 Jun 2004 | Shell Oil Company | In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
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