A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis of the reamer body, each of the plurality of cutter blocks comprising at least one cutter blade thereon, wherein an angular spacing about the central axis of the reamer body between the at least one cutter blade on each of the plurality of cutter blocks is unequal.
申请公布号
WO2012050959(A3)
申请公布日期
2012.07.12
申请号
WO2011US53926
申请日期
2011.09.29
申请人
SMITH INTERNATIONAL, INC.;MAKKAR, NAVISH;RAY, TOMMY, G.;MAHAJAN, MANOJ;TERRACINA, DWAYNE, P.;BHOITE, SAMEER