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1. (WO2018013633) A ROTARY STEERABLE DRILLING ASSEMBLY WITH A ROTATING STEERING DEVICE FOR DRILLING DEVIATED WELLBORES

Pub. No.:    WO/2018/013633    International Application No.:    PCT/US2017/041634
Publication Date: Fri Jan 19 00:59:59 CET 2018 International Filing Date: Thu Jul 13 01:59:59 CEST 2017
IPC: E21B 7/06
E21B 23/12
Applicants: BAKER HUGHES, A GE COMPANY, LLC
Inventors: PETERS, Volker
Title: A ROTARY STEERABLE DRILLING ASSEMBLY WITH A ROTATING STEERING DEVICE FOR DRILLING DEVIATED WELLBORES
Abstract:
A drilling assembly for drilling deviated wellbores is disclosed that in one embodiment includes a steering unit having an upper section coupled to a lower section through a tilt device, wherein an electro-mechanical actuation device tilts the tilt device about a selected location in the drilling assembly to cause the lower section to tilt relative to the upper section along a selected direction while the drill string is rotating.