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Vacuum pumping of conductor-in-conduit heaters
Filed: April 22nd, 2005 [Granted]
Assignee: Shell Oil Company
Patent Number: 7424915
7219734 B2 5/2007 Bai et al. 6725928 B2 4/2004 Vinegar et al. ... 2002/0004533 Al 1/2002 Wallace et al. 6729396 B2 5/2004 Vinegar et al.
In situ heat treatment of a tar sands formation after drive process treatment
Filed: April 18th, 2008 [Granted]
Assignee: Shell Oil Company
Patent Number: 7798220
6991032 B2 1/2006 Berchenko et al. 6725928 B2 4/2004 Vinegar et al. 6991045 B2 1 /2006 Vinegar et al. 6729395 B2 5/2004 Shahin, Jr. et al.
Reducing viscosity of oil for production from a hydrocarbon containing formation
Filed: April 22nd, 2005 [Granted]
Assignee: Shell Oil Company
Patent Number: 7510000
6722431 B2 4/2004 Karanikas et al. 6725920 B2 4/2004 Zhang et al. 6725921 B2 4/ 2004 de Rouffignac et al. 6725928 B2 4/2004 Vinegar et al. 6729395 B2 5/2004 ...
In situ heat treatment from multiple layers of a tar sands formation
Filed: April 18th, 2008 [Granted]
Assignee: Shell Oil Company
Patent Number: 7841408
6725921 4/2004 de Rouffignac et al. 6991032 1/2006 Berchenko et al. 6725928 4/ 2004 Vinegar et al. 6991045 1/2006 Vinegar et al. 6729395 5/2004 Shahin, ...
Moving hydrocarbons through portions of tar sands formations with a fluid
Filed: October 19th, 2007 [Granted]
Assignee: Shell Oil Company
Patent Number: 7717171
6725921 B2 4/2004 de Rouffignac et al. 6994168 B2 2/2006 Wellington et al. 6725928 B2 4/2004 Vinegar et al. 6994169 B2 2/2006 Zhang et al. 6729395 B2 5/ 2004 ...
Temperature limited heaters with thermally conductive fluid used to heat ...
Filed: April 22nd, 2005 [Granted]
Assignee: Shell Oil Company
Patent Number: 7383877
6269310 Bl 7/2001 Washbourne 6805195 B2 10/2004 Vinegar et al. ... 6896053 B2 5/ 2005 Berchenko et al. 6485232 Bl 11/2002 Vinegar et al.
Creating and maintaining a gas cap in tar sands formations
Filed: October 19th, 2007 [Granted]
Assignee: Shell Oil Company
Patent Number: 7677310
6994168 B2 2/2006 Wellington et al. 6725928 B2 4/2004 Vinegar et al. 6994169 B2 2/2006 Zhang et al. 6729395 B2 5/2004 Shahin, Jr. et al.
Wax barrier for use with in situ processes for treating formations
Filed: October 19th, 2007 [Granted]
Assignee: Shell Oil Company
Patent Number: 7703513
6991045 B2 1/2006 Vinegar et al. 6729395 B2 5/2004 Shahin, Jr. et al. ... 6729396 B2 5/2004 Vinegar et al. 6994168 B2 2/2006 Wellington et al.
