发明名称 EARTH BORING TOOL WITH IMPROVED ARRANGMENT OF CUTTER SIDE RAKES
摘要 Earth boring tools with a plurality of fixed cutters have side rake or lateral rakes configured for improving chip removal and evacuation, drilling efficiency, and/or depth of cut management as compared with conventional arrangements
申请公布号 EP2925951(A1) 申请公布日期 2015.10.07
申请号 EP20130861194 申请日期 2013.12.02
申请人 ULTERRA DRILLING TECHNOLOGIES L.P. 发明人 SIMMONS, ROB, A.;DEEN, CARL, ARON;MURDOCK, ANDREW, DAVID
分类号 E21B10/43;E21B10/46 主分类号 E21B10/43
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