Core
18 July 2017Core catcher
18 July 2017Core barrel
A tubular device, usually from 10 to 60 ft (3 to 18 m) long, run at the bottom of the drill pipe in place of a bit and used to cut a core sample.
A tubular device, usually from 10 to 60 ft (3 to 18 m) long, run at the bottom of the drill pipe in place of a bit and used to cut a core sample.
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