دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: See polycrystalline diamond compact.

n: The granule of diamond emerges continuously with wornout of matrix in the using of impregnated bit and polycrystalline diamond compact bit.

n: The layer of polycrystalline diamond connected with the top of PDC in polycrystalline diamond compact bit.

n: diamond cutting blade on polycrystalline diamond compact are all outcrop in the outside of matrix.

n: a research project made by Amoco ,including diamond compact bit,the rotate speed upto more than 1000r/m and surface drill stem feeding equipment which is controlled by computer

n: a kind of core bit mounted with polycrystalline diamond compact and natural diamond , or other cutting components.

n: a kind of bit that mounted with polycrystalline diamond compact or natural diamond , also with cones.

n: a kind of bit which mounted with polycratalline diamond compact and rollers,or othercutting components.

n: according to the regulation of IADC, large cutter size refers to less than three every carat of nautral diamond or the tooth height above 15.875mm of polycrystalline diamond compact (PDC).

n: the cutting components of martix polycrystalline diamond compact bit that uses special technique to weld the compact and cylinder hard metal as a whole under the strict
temperature.