stub drilling

stub drilling
сверление свёрлами особо короткой серии

Англо-русский словарь по машиностроению. 2014.

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  • Drill floor — The Drill Floor is the heart of any drilling rig and is also known as the pad. This is the area where the drill string begins its trip into the earth. It is traditionally where joints of pipe are assembled, as well as the BHA (bottom hole… …   Wikipedia

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