Inflatable anchor element and packer employing same
AssigneeHalliburton Company
InventorsErnest E. Carter, Jr., Eugene E. Baker
Life of this patent
Estimating the term…
Abstract
An inflatable packer element utilizing metal cable employed to reinforce the elastomeric packer bladder as an anchoring element. Steel cable is exposed along at least a portion of the packer element surface to engage a casing, liner or other conduit wall, or the wall of an open well bore. A seal may be effected at one or both ends of the packer element through use of a bonded elastomer cover which is pressed against the conduit wall by the expanded cable when the packer element is inflated.
Claims25
An inflatable anchor element, comprising:
- substantially tubular expandable and contractible bladder means;
- end shoe means at each end of said bladder means;
- and
- flexible expandable and contractible metallic anchor means on the exterior of said anchor element including a plurality of metal cables woven into a fabric secured to each of said end shoe means and surrounding said bladder means.
An inflatable anchor packer comprising:
- tubular mandrel means;
- end shoe means mounted at each end of said mandrel means;
- expandable and contractible bladder means extending between said end shoe means;
- valve means adapted to inflate said expandable bladder means;
- and
- flexible expandable and contractible metallic anchor means including a woven fabric of braided steel cable secured to each of said end shoe means and surrounding said bladder means.
The inflatable anchor packer of clain 14 further comprising expandable circumferential elastomeric seal means on at least one end of the exterior of said inflatable anchor packer.
An inflatable packer element comprising:
- substantially tubular expandable and contractible bladder means;
- and
- metal expandable and contractible anchor means surrounding said bladder means, said metal reinforcing means comprising a plurality of metal cables laid in an unwoven manner in a plurality of distinct layers.
Dependencies are inferred from the claim text.