- bottom of hole diameter
- конечный диаметр шпура или скважины
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
bottom of hole diameter
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Caliper log — A caliper log is a set of measurements of the size and shape of a bore hole commonly made when drilling oil and gas wells. This can be an important indicator of cave ins or shale swelling in the bore hole.The caliper tool measures the variation… … Wikipedia
