Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Patent
1989-07-20
1990-05-22
Kisliuk, Bruce M.
Wells
Expansible anchor or casing
Expansible means translated by wedge or cam
166102, 166208, 166216, E21B 2300
Patent
active
049269364
ABSTRACT:
A mechanical or hydraulic actuated liner hanger for supporting on an operating string to be lowered to position a liner on a tubular member in a well bore includes an integral tubular body having upper and lower annular rings thereon. A surface is provided on each ring to enable upper and lower cone segments to be positioned on each upper and lower ring, respectively, and a surface is provided on each ring that cooperates with a surface on the cone segments interlocks and retains the cone segments removably on their respective ring. A securing device may removably secure the cone segments in position on each ring. A sleeve is slidably supported on the body by lugs on the body and a recess arrangement. The sleeve includes upper and lower slip arms secured at one end on the sleeve and extending therefrom with upper and lower slip segments secured on the end of each the upper and lower slip arms. When relative longitudinal movement between the sleeve and longitudinal body is effected, the slip segments engage with the cone segments on each the upper and lower rows for movement outwardly into engagement with the tubular member to position the liner in the well bore.
The same body may be employed with the hydraulic or mechanically actuated hanger. The same sleeve, lug and recess arrangement may be employed with either a mechanical left-hand set or right-hand set rotatable liner hanger.
REFERENCES:
patent: 3195646 (1965-07-01), Brown
patent: 3999605 (1976-12-01), Braddick
patent: 4440223 (1984-04-01), Akkerman
patent: 4497368 (1985-02-01), Baugh
patent: 4523641 (1985-06-01), Manderscheid
patent: 4580631 (1986-04-01), Baugh
patent: 4688642 (1987-08-01), Baker
patent: 4732212 (1988-03-01), Fraser, III
patent: 4762177 (1988-08-01), Smith, Jr.
patent: 4834185 (1989-05-01), Braddick
Texas Iron Works, Inc. Catalog, p. 7027.
Hayden Jack W.
Kisliuk Bruce M.
Texas Iron Works, Inc.
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