Lead the bit rotary steerable system
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United States of America Patent
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Jun 26, 2012
Grant Date -
Oct 15, 2009
app pub date -
Jun 24, 2009
filing date -
Nov 21, 2005
priority date (Note) -
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Abstract
In one aspect of the invention a tool string steerable system has a drill bit body with a working face. An indenter protrudes from the working face and the indenter is rotational fixed to a tool string component above the drill bit body. The indenter is rotationally isolated from the drill bit body.
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