Varying heating in dawsonite zones in hydrocarbon containing formations
First Claim
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1. A method for treating an oil shale formation comprising dawsonite, the method comprising:
- assessing a dawsonite composition of one or more zones in the formation;
providing heat from one or more heaters to the formation such that different amounts of heat are provided to zones with different dawsonite compositions;
allowing the provided heat to transfer from the heaters to the formation; and
producing fluids from the formation.
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Abstract
A method for treating an oil shale formation comprising dawsonite includes assessing a dawsonite composition of one or more zones in the formation. Heat from one or more heaters is provided to the formation such that different amounts of heat are provided to zones with different dawsonite compositions. The provided heat is allowed to transfer from the heaters to the formation. Fluids are produced from the formation.
1055 Citations
20 Claims
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1. A method for treating an oil shale formation comprising dawsonite, the method comprising:
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assessing a dawsonite composition of one or more zones in the formation; providing heat from one or more heaters to the formation such that different amounts of heat are provided to zones with different dawsonite compositions; allowing the provided heat to transfer from the heaters to the formation; and producing fluids from the formation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for producing aluminum, the method comprising:
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assessing a dawsonite composition of one or more zones in the formation; providing heat from one or more heaters to the formation such that different amounts of heat are provided to zones with different dawsonite compositions; allowing the provided heat to transfer from the heaters to the formation; producing hydrocarbons from the formation; decomposing at least some dawsonite in the formation with the provided heat; providing a chelating agent to the formation to dissolve at least some dawsonite decomposition products; producing the dissolved dawsonite decomposition products from the formation; separating alumina from the dissolved dawsonite decomposition products; using some of the produced hydrocarbon fluids to produce electricity; and producing aluminum metal from the alumina in an electrolytic recovery process using the produced electricity as power for the electrolytic recovery process. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification