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core barrel

noun
1.
(in a core drill) a length of pipe for holding rock cores while they are being extracted from the drill hole.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for core barrel
  • The vertical plates are bolted to the edges of horizontal former plates that are bolted to the inside surface of the core barrel.
  • If the bit becomes plugged or blocking off is suspected, the driller should stop drilling and pull the core barrel.
  • Closeup of the sample-freezing drive shoe and a core in a polycarbonate plastic liner removed from the core barrel.
  • With the core barrel extending beyond the bit, the system was designed to collect the core into the core barrel.
  • The geotechnical samples were to be collected in situ by using lexan liners within the core barrel.
  • The core barrel can generally advance from five to twenty feet at one time, depending on the length of the core barrel.
  • In fact, the core barrel was already in the bottom before the core was deployed.
  • Rock shall be cored using an outer and inner core barrel drilling system.
  • The sample-freezing drive shoe of the core barrel is in the foreground.
  • The device is then returned to the ship's deck, where the sediment core is removed from the core barrel.

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