Degradable material assisted diversion or isolation

  • US 7,775,278 B2
  • Filed: 02/29/2008
  • Issued: 08/17/2010
  • Est. Priority Date: 09/01/2004
  • Status: Active Grant
First Claim
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1. A method of well treatment, comprising:

  • a) injecting a slurry comprising a degradable material, provided the degradable material is present in the slurry as a dispersed material;

    b) allowing the degradable material to form a plug in one or more than one of a perforation, a fracture, and a wellbore in a well penetrating a formation;

    c) performing a downhole operation; and

    d) allowing the degradable material to at least partially degrade after a selected duration such that the plug disappears.

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