Invention Grant
- Patent Title: Adjustable drill bit
- Patent Title (中): 可调钻头
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Application No.: US12744332Application Date: 2008-11-20
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Publication No.: US08739903B2Publication Date: 2014-06-03
- Inventor: Henri Denoix , Pierre-Jèrõme Acquaviva , Eric Lavrut
- Applicant: Henri Denoix , Pierre-Jèrõme Acquaviva , Eric Lavrut
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Stephanie Chi; Jody DeStefanis
- Priority: GB0722997.4 20071123
- International Application: PCT/EP2008/009796 WO 20081120
- International Announcement: WO2009/065575 WO 20090528
- Main IPC: E21B10/62
- IPC: E21B10/62

Abstract:
A rotary drill bit is provided comprising a bit body, which includes a connecting portion for connection to a conveyance and a drilling portion. The drilling portion includes a plurality of cutting elements each having at least one cutting surface, the drilling portion being operable in at least two different drilling orientations, and the drilling surface being rotatable in one of two opposing directions, being a first direction and an opposing second direction.
Public/Granted literature
- US20100303570A1 ADJUSTABLE DRILL BIT Public/Granted day:2010-12-02
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