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.
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.