Invention Grant
- Patent Title: Downhole reamer asymmetric cutting structures
- Patent Title (中): 井下铰刀不对称切割结构
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Application No.: US12893652Application Date: 2010-09-29
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Publication No.: US08550188B2Publication Date: 2013-10-08
- Inventor: Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
- Applicant: Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agency: Osha Liang LLP
- Main IPC: E21B10/00
- IPC: E21B10/00
Abstract:
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.
Public/Granted literature
- US20120073879A1 DOWNHOLE REAMER ASYMMETRIC CUTTING STRUCTURES Public/Granted day:2012-03-29
Information query
