Invention Grant
- Patent Title: Lead the bit rotary steerable tool
- Patent Title (中): 引导钻头旋转导向工具
-
Application No.: US12557679Application Date: 2009-09-11
-
Publication No.: US08522897B2Publication Date: 2013-09-03
- 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: E21B7/04
- IPC: E21B7/04
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
- US20100000794A1 Lead the Bit Rotary Steerable Tool Public/Granted day:2010-01-07
Information query
