Sliding sleeve casing tool

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Patent

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Details

166242, 166316, 166317, 251343, E21B 3406, E21B 3414

Patent

active

048800597

ABSTRACT:
A sliding sleeve casing tool installed in a casing string comprising a housing, sliding sleeve, seal members and releasable retaining means to retain the sliding sleeve within the desired locations with the housing.

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patent: 4520870 (1985-06-01), Pringle

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