Invention Grant
- Patent Title: Downhole tool leg retention methods and apparatus
- Patent Title (中): 井下刀具保持方法和装置
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Application No.: US12489282Application Date: 2009-06-22
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Publication No.: US08302709B2Publication Date: 2012-11-06
- Inventor: Amol Bhome , Robert H. Slaughter, Jr.
- Applicant: Amol Bhome , Robert H. Slaughter, Jr.
- Applicant Address: SE Sandviken
- Assignee: Sandvik Intellectual Property AB
- Current Assignee: Sandvik Intellectual Property AB
- Current Assignee Address: SE Sandviken
- Agency: Osha Liang LLP
- Main IPC: E21B10/633
- IPC: E21B10/633
Abstract:
A back reamer includes a drive stem configured to support a main reamer body, the main reamer body including a plurality of receptacles, and a plurality of cutting leg assemblies in positive locking engagement with the plurality of receptacles to restrict radial movement of the cutting leg assemblies.
Public/Granted literature
- US20100319993A1 DOWNHOLE TOOL LEG RETENTION METHODS AND APPARATUS Public/Granted day:2010-12-23
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