Connections Selection and ordering
When selecting a casing connection the actual load on the connection should be compared to the connection's capacity. This is applicable for all types of wells: exploration, appraisal and development wells.
·Design load: The load can be derived from the same design loads as laid down for the complete casing string.With respect to the strength of the connection two aspects should be considered:
- Structural load bearing capacity: With the manufacturer's information (see for example Figure L18) or the tables in API Bull. 5C2  the structural load . . .
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