intermediate casing | Energy Glossary

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intermediate casing

1. n. [Well Completions]

A casing string that is generally set in place after the surface casing and before the production casing. The intermediate casing string provides protection against caving of weak or abnormally pressured formations and enables the use of drilling fluids of different density necessary for the control of lower formations.

See: casing stringdrilling fluidintermediate casing stringsurface casing

Casing strings thumbnail
Casing strings.