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Production of a blending agent using an in situ thermal process in a relatively permeable formation

  • US 6,948,562 B2
  • Filed: 04/24/2002
  • Issued: 09/27/2005
  • Est. Priority Date: 04/24/2001
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • providing heat from one or more heaters to at least a portion of a first relatively permeable formation;

    allowing heat to transfer from one or more of the heaters to a part of the first relatively permeable formation such that the heat reduces the viscosity of at least some hydrocarbons in the part of the first relatively permeable formation;

    producing a first mixture from the part of the first relatively permeable formation;

    allowing heat to transfer from one or more of the heaters to a part of a second relatively permeable formation such that the heat pyrolyzes at least some hydrocarbons in the part of the second relatively permeable formation;

    producing a second mixture from the part of the second relatively permeable formation; and

    blending at least a portion of the first mixture with at least a portion of the second mixture to produce a third mixture comprising a selected property.

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