Invention Grant
- Patent Title: Directional drilling tool with eccentric coupling
- Patent Title (中): 带偏心联轴器的定向钻具
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Application No.: US14146735Application Date: 2014-01-03
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Publication No.: US09447640B2Publication Date: 2016-09-20
- Inventor: Tore Kvalvik
- Applicant: 2TD Drilling AS
- Applicant Address: LU Luxembourg
- Assignee: NABORS LUX FINANCE 2 SARL
- Current Assignee: NABORS LUX FINANCE 2 SARL
- Current Assignee Address: LU Luxembourg
- Agency: Adolph Locklar
- Main IPC: E21B17/046
- IPC: E21B17/046 ; E21B7/06
Abstract:
A directional drilling tool which comprises a pair of shafts with an eccentric bore to vary the radial position of a stabilizer, such tool including one or more eccentric couplings which are used to transmit torque between a pair of elements of the tool which are intended to be movable relative to each other in a direction transverse to their longitudinal axes.
Public/Granted literature
- US20150191978A1 Directional Drilling Tool with Eccentric Coupling Public/Granted day:2015-07-09
Information query
