Method and apparatus for anchoring downhole tools in a wellbore

Details Method and apparatus for anchoring downhole tools in a wellbore Method and apparatus for anchoring downhole tools in a wellbore

2005-07-26

2005-07-26

Tsay, Frank (Department: 3672)

Wells

Expansible anchor or casing

C166S208000, C166S215000

Reexamination Certificate

active

06920927

ABSTRACT:
A wellbore anchoring device for anchoring a down-hole tool within a string of casing is provided, comprising an expandable cone having at least one annular integral shoulder, defining the large end of at least one conical annular recess on an outer surface of the cone, and at least one resilient slip positioned within the at least one annular recess, wherein axial travel of the at least one slip relative to the cone is actively limited by engagement with at least one integral shoulder on the cone.

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U.K. Search Report, Application No. GB0409692.1, dated Aug. 13, 2004.

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