Slip having passageway for lines therethrough

Details Slip having passageway for lines therethrough Slip having passageway for lines therethrough

1997-08-20

1999-05-25

Suchfield, George

Wells

Expansible anchor or casing

Expansible means translated by wedge or cam

166206, E21B 2301

Patent

active

059062401

ABSTRACT:
A slip having a passageway for installation of lines therethrough and associated anchoring device provides uniform gripping engagement with a wellbore without unduly stressing the slip or casing, and without requiring complex manufacturing and assembly. In a described embodiment, a slip has slip segment, transitional and C-ring axial portions. The slip segment portion includes multiple axially elongated and circumferentially spaced apart slip segments. Each slip segment is attached to an axial end of the C-ring portion by a transitional element. When the slip is extended into engagement with a wellbore, the transitional portion permits the slip segments to flex and uniformly apply a gripping force to the wellbore.

REFERENCES:
patent: 1745572 (1930-02-01), Gray et al.
patent: 1907825 (1933-05-01), Johnson
patent: 3419079 (1968-12-01), Current
patent: 3530934 (1970-09-01), Kisling, III
patent: 4441553 (1984-04-01), Setterberg, Jr. et al.
patent: 4582134 (1986-04-01), Gano et al.
patent: 5086845 (1992-02-01), Baugh
patent: 5701954 (1997-12-01), Kilgore et al.
Otis Catalog AppeNdix entitleD "Type Go Otis Slim-Hole Packers", p. 67 (undated).
Otis Production Packers and Accessories Technical Brochure entitled "Otis Utility Production Packers", p. 32 (undated).
Otis Production Packers and Accessories Technical Brochure entitled "Otis Hanger Systems", p. 54 (undated).
Otis Production Packers and Accessories Technical Brochure entitled "Otis Liner Hangers", p. 64 (undated).

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