Wells – Guide for device or conduit
Patent
1997-08-11
1999-02-16
Schoeppel, Roger J.
Wells
Guide for device or conduit
166380, 166382, 1661176, 175 61, E21B 708
Patent
active
058710469
ABSTRACT:
A whipstock and whipstock anchor that allows for select orientation of the whipstock, retrievability of the whipstock, and also resetting of the whipstock in select orientation. The whipstock is for use in drilling a cased subterranean well with a drill bit. The whipstock includes a first device that directs the drill bit. The first device is supported at a desired location along the well casing by a second device. The first device and second device incorporate mechanisms that allow selective orientation of the first device with respect to the second device. The orientation of the second device in its location along the well casing can be accurately detected, and the mechanisms that allow selective orientation of the first device with the second device can be adjusted to provide an accurate, desired orientation for diverting a drill bit or other tool as it contacts the first device. The first device of the whipstock is retrievable and may be run multiple times to the same wellbore location to provide multiple orientations for creating wellbore bends and branching.
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Halliburton Energy Service,s Inc.
Herman Paul I.
Imwalle William M.
Schoeppel Roger J.
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