Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 16, 2018
Patent Application Number
14709421
Date Filed
May 11, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A technique facilitates directional drilling of boreholes. A steerable system has a plurality of actuator pistons slidably mounted in a mechanical structure. The mechanical structure comprises a radially inward portion containing ports to deliver a portion of drilling mud to the plurality of actuator pistons. The mechanical structure also has a radially outward portion positioned to define a main flow passage extending longitudinally through the steerable system between the radially inward portion and the radially outward portion of the mechanical structure.
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