← Back to search

Meaning of kelly drive | Babel Free

Noun CEFR B2

Definitions

A type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal or splined outer surface.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

kelly green Kelly pool Kelly Ridge Kelly's eye Kellyana Kellyanne