Reamer having toroidal crusher body and method of use
作者： Allen Kent Rives
DOI:
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摘要: The present invention provides a reamer ( 100 ) having at least one journal body 110 and toroidal cutter 116 ). has maximum diameter (MD), an outer perimeter (OP) plurality of cutting elements 112, 145, 149 on the surface 118 is rotatably attached to When in installed position, axis rotation (RA) intersects longitudinal drill string acute angle.
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