Apparatus for preventing casing damage due to formation compacti

Details Apparatus for preventing casing damage due to formation compacti Apparatus for preventing casing damage due to formation compacti

1990-12-26

1992-12-29

Bryant, III, James E.

Pipes and tubular conduits

Combined

With hose protector

138121, 138122, 138173, 138119, 166242, F16L 902

Patent

active

051743400

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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