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High expansion downhole packer

  • US 6,041,858 A
  • Filed: 09/27/1997
  • Issued: 03/28/2000
  • Est. Priority Date: 09/27/1997
  • Status: Expired due to Term
First Claim
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1. An expandable apparatus for filling a space downhole in a wellbore, comprising:

  • an expandable body having a hollow interior which defines an open flow path through said body;

    a deformable material within said hollow interior for at least partially obstructing said flow path when said body is moved into said wellbore, wherein said deformable material is displaceable to expand said body into the space and to open said flow path through said body.

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