Wells – Processes – Assembling well part
Patent
1992-02-25
1993-06-15
Britts, Ramon S.
Wells
Processes
Assembling well part
166386, 166 73, 166115, 166236, 166242, E21B 1916
Patent
active
052190285
ABSTRACT:
The present invention provides a preperforated casing for a well bore and a method of installing a preperforated casing in a well bore. The inventive casing comprises (a) a conduit having a plurality of apertures extending through the wall thereof and (b) a liner fixed adjacent at least a portion of the interior surface of the conduit such that the liner is positioned adjacent the apertures and is operable for preventing fluid flow through the apertures. The liner is removable from the conduit by drilling. Additionally, the liner comprises a material which, upon drilling, will break up into pieces which can be readily circulated out of the well. The inventive method comprises the steps of running the inventive casing into a well bore and then drilling the liner such that the liner is broken up into pieces and the above-mentioned apertures are open for fluid flow.
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Dew Edward G.
Martin James W.
Britts Ramon S.
Conoco Inc.
Reinert A. Joe
Schoeppel Roger J.
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