دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The breaking edges of coring bit is manufactured by natural diamond or artificial diamond.

n: Coring by diamond core bit in core drilling.

n: The drilling that acquiring core by diamond core bit.

n: See diamond core bit.

n: See diamond core bit.

n: Drilling with diamond bit or diamond core bit.

n: See diamond core bit.

n: See diamond core bit.

n: a kind of cistern structure of diamond core bit made by Christensen in American

n: ,a kind of diamond core bit whose inner tube of barrel is pasted on the steps in the inner wall of the bit and on whose wall there are some small holes drilled vertically