Encyclopedia

catching sample

catching sample

[′kach·iŋ ‚sam·pəl]
(petroleum engineering)
During drilling operations, a sample of a cutting obtained from the drilling fluid as it emerges from the well bore or the bailer of a cable tool.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
As well as catching samples of comet dust, it took close-up pictures of the three-mile-wide lumpy ball of ice and rock.
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