Casing types definitions

Casing types definitions

This article presents the definition of the various casing types: conductor, surface casing, intermediate casing, production casing and liner.

Marine Conductor (Offshore)

This is for offshore drilling operations from jack-up rigs. It consists of a pipe driven, jetted, or cemented in a pre-drilled hole to provide structural strength, to cover very soft formations below the seabed, to serve as a circulation system for the drilling fluids, and to guide the drilling and casing strings into the hole.

Conductor Casing String (Onshore)

The conductor casing string is used to cover unconsolidated . . .

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