This document, one of the Well Engineering and Production Operations (WEPO) technical control documents, contains the BG Group policies and standards to be adopted for well casing design. The objective is to ensure that there is a consistent approach to the safety critical aspects of casing design methodology throughout the BG Group.
Casing design is a stress analysis procedure to produce a pressure vessel, which can withstand a variety of external, internal, thermal and self weight loading. It is an integral and key part of the total well design process. The ideal casing design for any particular well, is one that is the most economic over the entire life of the well without compromising safety and the environment.
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