Torque resistant retrievable whipstock

Details Torque resistant retrievable whipstock Torque resistant retrievable whipstock

1998-03-11

2000-06-13

Suchfield, George

Wells

Means for guiding insertable element laterally of well axis

Secured in operative position by movable means engaging well...

1661175, 166313, 175 81, E21B 4314

Patent

active

060736917

ABSTRACT:
A deflection apparatus is provided. In one described embodiment, the apparatus includes a torque resistant retrievable whipstock sealingly attached to a packer. The whipstock may be separated from the packer by applying an axial force to a first housing and thereby releasing a sleeve sealingly disposed between the first housing and a second housing for displacement relative to the second housing. The first housing and sleeve may then be removed from within the second housing, leaving a relatively large diameter seal bore attached above the packer.

REFERENCES:
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patent: 5113938 (1992-05-01), Clayton
patent: 5318121 (1994-06-01), Brockman et al.
patent: 5398754 (1995-03-01), Dinhoble
patent: 5467819 (1995-11-01), Braddick
patent: 5474126 (1995-12-01), Lynde et al.
patent: 5501281 (1996-03-01), White et al.
patent: 5806600 (1998-09-01), Halford, Sr.
patent: 5871046 (1999-02-01), Robison
patent: 5884698 (1999-03-01), Hughes et al.

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