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In situ thermal processing of a tar sands formation

  • US 7,066,254 B2
  • Filed: 10/24/2002
  • Issued: 06/27/2006
  • Est. Priority Date: 04/24/2001
  • Status: Expired due to Fees
First Claim
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1. A method for treating a tar sands formation in situ, comprising:

  • providing heat from first heaters to a first section of the formation such that the heat provided to the first section pyrolyzes at least some hydrocarbons in the first section;

    providing heat from second heaters to a second section of the formation such that the heat provided to the second section pyrolyzes at least some hydrocarbons in the second section;

    inducing at least a portion of the hydrocarbons from the second section to flow into the first section; and

    producing a mixture from the first section, wherein the produced mixture comprises at least some pyrolyzed hydrocarbons from the second section.

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