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