Definition(s)


Intermediate liner

Liner hung below intermediate casing/liner. Normal clearance casing OD in.: N/A. Tight clearance casing OD in.: 13 5/8 or 11 7/8. NOTE These are examples only. Each well can have variations in number of casing strings and sizes. Naming conventions can vary. The heavy-wall surface casing designs may allow 13 5/8 in. to be run as a liner and not tied back.

Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards

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