Casing design factors

Casing design factors

This article describes the uniaxial collapse, burst, axial and compression design factors, and the triaxial design factor, recommended for use, together with a brief overview of the considerations which led to the choice of the generally accepted values.

 

Each uniaxial design factor is defined as the minimum ratio required between the corresponding casing strength tabulated in API 5C2, on the basis of the formulae of API 5C3 (corrected to take into account the effects of corrosion, wear and fatigue) and the estimated design load. The triaxial design factor is defined as . . .

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