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Strength of casing and tubing: Difference between revisions
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*Saving money in burst design by taking advantage of the increased burst resistance in tension | *Saving money in burst design by taking advantage of the increased burst resistance in tension | ||
*Accounting for large temperature effects on the axial load profile in high-pressure, high-temperature wells (this is particularly important in combined burst and compression loading) | *Accounting for large temperature effects on the axial load profile in high-pressure, high-temperature wells (this is particularly important in combined burst and compression loading) | ||
*Accurately determining stresses when using thick-wall pipe (''D''/''t''<nowiki>< | *Accurately determining stresses when using thick-wall pipe (''D''/''t''<nowiki><12) (conventional uniaxial and biaxial methods have imbedded thin-wall assumptions)</nowiki> | ||
12) (conventional uniaxial and biaxial methods have imbedded thin-wall assumptions) | |||
*Evaluating buckling severity (permanent corkscrewing occurs when the triaxial stress exceeds the yield strength of the material) | *Evaluating buckling severity (permanent corkscrewing occurs when the triaxial stress exceeds the yield strength of the material) | ||