Invention Grant
- Patent Title: Steering system
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Application No.: US14427205Application Date: 2013-09-11
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Publication No.: US10370901B2Publication Date: 2019-08-06
- Inventor: Marian Wiercigroch
- Applicant: ITI Scotland Limited
- Applicant Address: GB Glasgow
- Assignee: ITI Scotland Limited
- Current Assignee: ITI Scotland Limited
- Current Assignee Address: GB Glasgow
- Agency: Gavrilovich, Dodd & Lindsey LLP
- Priority: GB1216286.3 20120912
- International Application: PCT/EP2013/068846 WO 20130911
- International Announcement: WO2014/041036 WO 20140320
- Main IPC: E21B7/06
- IPC: E21B7/06 ; E21B7/04 ; E21B7/24 ; E21B3/00

Abstract:
Provided is an apparatus for use in directional drilling, which apparatus comprises: (a) a drill bit; (b) at least one steering actuator capable of exerting a longitudinal force on the drill bit, so as to change the direction of drilling; and/or (c) at least one drill bit steering insert, capable of extending and retracting so as to change the cutting characteristics of the drill bit and thereby change the direction of drilling. Further provided is a method of directional drilling, employing the apparatus of the invention.
Public/Granted literature
- US20150240563A1 STEERING SYSTEM Public/Granted day:2015-08-27
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