发明名称 |
DOWNHOLE REAMER ASYMMETRIC CUTTING STRUCTURES |
摘要 |
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 |
US2014034397(A1) |
申请公布日期 |
2014.02.06 |
申请号 |
US201314047656 |
申请日期 |
2013.10.07 |
申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
MAKKAR NAVISH;RAY TOMMY G.;MAHAJAN MANOJ;TERRACINA DWAYNE P.;BHOITE SAMEER |
分类号 |
E21B10/46;E21B10/32 |
主分类号 |
E21B10/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|