Wells – Expansible anchor or casing – Spring set
Patent
1979-12-27
1983-01-25
Novosad, Stephen J.
Wells
Expansible anchor or casing
Spring set
166 51, 166216, 166240, 166381, 166386, E21B 2300
Patent
active
043698409
ABSTRACT:
An anchor tool and cooperating anchor positioner for use in a well bore are disclosed. The anchor tool may be employed as part of a well casing or liner, while the anchor positioner is part of a tool string run inside the casing or liner. The anchor positioner locates and anchors the tool string at a desired level in the well bore by engagement with the anchor tool placed at that location. Multiple anchor tools may be employed if it is desired to deploy the tool string at different levels. All operation of the anchor positioner is effected by mechanical force.
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Baker Eugene E.
Szarka David D.
Halliburton Company
Novosad Stephen J.
Walkowski Joseph A.
Weaver Thomas R.
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