Drilling & WellsVerified

AR meaning in oil and gas

AR means AnderReamer. Andergauge under-reamer (hole opener to open a larger hole than that of casing above). Named after its designer, Aberdonian farmer Charlie Anderson.

Definition

AnderReamer

Andergauge under-reamer (hole opener to open a larger hole than that of casing above). Named after its designer, Aberdonian farmer Charlie Anderson.

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