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 MX2015007020(A) 申请公布日期 2015.12.17
申请号 MX20150007020 申请日期 2013.12.02
申请人 ULTERRA DRILLING TECHNOLOGIES, L.P. 发明人 ROB A. SIMMONS;CARL ARON DEEN;ANDREW DAVID MURDOCK
分类号 E21B10/43 主分类号 E21B10/43
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