Downhole anchoring tools conveyed by non-rigid carriers

Details Downhole anchoring tools conveyed by non-rigid carriers Downhole anchoring tools conveyed by non-rigid carriers

E - Fixed Constructions

21

B

E21B 23/01 (2006.01) E21B 43/116 (2006.01)

Patent

CA 2668535

An apparatus and method provides an anchoring apparatus for use in a wellbore that comprises a gripping assembly and an actuation assembly. In one arrangement, the actuation assembly includes a motor and a module having at least a compressible element (e.g., a hydraulic module) between the motor and the gripping assembly. Upon activation, the motor actuates the hydraulic module to cause activation of the gripping assembly. In one arrangement, the anchoring apparatus is designed to pass through a tubing or other restriction in the wellbore. When in the retracted state, the gripping assembly of the anchoring apparatus has an outer diameter that is smaller than an inner diameter of the tubing. When in the expanded state, the gripping assembly of the anchoring apparatus has an outer diameter than is substantially the same as the inner diameter of the liner to enable engagement of the gripping assembly against the liner.

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