Method and apparatus for preventing casing damage due to formati

Details Method and apparatus for preventing casing damage due to formati Method and apparatus for preventing casing damage due to formati

1992-06-19

1994-01-04

Neuder, William P.

Wells

Conduit wall or specific conduit end structure

Downhole coupling or connector

138173, E21B 1700

Patent

active

052752402

ABSTRACT:
A method and apparatus for preventing casing damage due to high axial loading in a well as a result of compaction of the surrounding earth formations. The method consists of providing specially sized and located grooves on both the inside and outside diameters of a section of well casing. The grooves are designed and spacers may be used in some grooves to ensure symmetrical deformation of the casing when subjected to a compressive loading.

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