07556095 is referenced by 183 patents and cites 930 patents.

A method for treating an oil shale formation comprising dawsonite includes providing heat from one or more heaters to the formation to heat the formation. Hydrocarbon fluids are produced from the formation. At least some dawsonite in the formation is decomposed with the provided heat. A chelating agent is provided to the formation to dissolve at least some dawsonite decomposition products. The dissolved dawsonite decomposition products are produced from the formation.

Title
Solution mining dawsonite from hydrocarbon containing formations with a chelating agent
Application Number
11/584804
Publication Number
7556095 (B2)
Application Date
October 20, 2006
Publication Date
July 7, 2009
Inventor
Harold J Vinegar
Bellaire
TX, US
Assignee
Shell Oil Company
TX, US
IPC
E21B 49/00
E21B 43/40
E21B 43/28
E21B 43/27
E21B 43/241
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