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SUBSURFACE FORMATION PLUGGING

  • US 3,814,187 A
  • Filed: 05/14/1973
  • Issued: 06/04/1974
  • Est. Priority Date: 05/14/1973
  • Status: Expired due to Term
First Claim
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2. A method as defined in claim 1 in which the slurry of limestone particles is injected at a pressure in the range of the fracture opening pressure to below the pressure required to create a fracture therein and in which the acid flush is applied at a pressure less than the fracture opening pressure.

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