Invention Grant
- Patent Title: Drill stem connection and method
- Patent Title (中): 钻杆连接方法
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Application No.: US13012673Application Date: 2011-01-24
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Publication No.: US08191638B2Publication Date: 2012-06-05
- Inventor: Michael Tjader
- Applicant: Michael Tjader
- Applicant Address: US IL Aurora
- Assignee: TT Technologies, Inc.
- Current Assignee: TT Technologies, Inc.
- Current Assignee Address: US IL Aurora
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Main IPC: E21B19/16
- IPC: E21B19/16

Abstract:
A drill stem connection system and method is shown that provides a secure hold on drill stem surfaces while unscrewing a threaded connection. Two lever arm components are adjustable to a number of possible orientations to allow for fitting the drill stem wrench in tight spaces. Concentric rotation of lever arm components facilitates connection of the lever arm components together. Configurations and methods shown provide a stable and powerful tool to loosen threaded drill stem effectively.
Public/Granted literature
- US20110113934A1 DRILL STEM CONNECTION AND METHOD Public/Granted day:2011-05-19
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