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Device and method to seal boreholes

  • US 20040194971A1
  • Filed: 05/21/2004
  • Published: 10/07/2004
  • Est. Priority Date: 01/26/2001
  • Status: Active Grant
First Claim
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1. A seal for use in a borehole, the seal comprising an elastomeric material that is capable of expanding or swelling upon contact with an actuating agent.

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