Invention Grant
- Patent Title: Lead the bit rotary steerable tool
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Application No.: US12362661Application Date: 2009-01-30
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Publication No.: US08360174B2Publication Date: 2013-01-29
- Inventor: David R. Hall , Paula Turner , David Lundgreen , Scott Woolston
- Applicant: David R. Hall , Paula Turner , David Lundgreen , Scott Woolston
- Applicant Address: US TX Houston
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Houston
- Agency: Brinks Hofer Gilson & Lione
- Main IPC: E21B10/26
- IPC: E21B10/26 ; E21B10/40
Abstract:
A drilling assembly comprises a drill bit that includes a bit body intermediate a working face and a shank. An indenting member adapted to guide the drill bit protrudes from the working face. A flexible portion is disposed above the bit body.
Public/Granted literature
- US20090133936A1 Lead the Bit Rotary Steerable Tool Public/Granted day:2009-05-28
Information query
