Invention Grant
- Patent Title: Adjustable bent housing for directional drill string
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Application No.: US13999591Application Date: 2014-03-11
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Publication No.: US09670731B2Publication Date: 2017-06-06
- Inventor: Paul Donald Roberts , Timothy Edward LaGrange
- Applicant: Paul Donald Roberts , Timothy Edward LaGrange
- Agent W. Allen Marcontell
- Main IPC: E21B7/06
- IPC: E21B7/06
Abstract:
An adjustable bent housing assembly for a deviated direction drill string having 1.5° adjustment increments between an index sub housing and mandrel has variances of less than 0.02° at 0.25 nominal degree increments between 0° and 3.00° of drill direction deviation.
Public/Granted literature
- US20150034390A1 Adjustable bent housing for directional drill string Public/Granted day:2015-02-05
Information query
