Drilling systems and fixed cutter bits with adjustable depth-of-cut to control torque-on-bit
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United States of America Patent
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Jul 4, 2017
Grant Date -
Jun 26, 2014
app pub date -
Oct 24, 2013
filing date -
Oct 25, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drill bit for drilling a borehole in an earthen formation includes a connection member having a pin end. In addition, the drill bit includes a bit body coupled to the connection member and configured to rotate relative to the connection member about a central axis of the bit. The bit body includes a bit face. Further, the drill bit includes a blade extending radially along the bit face. Still further, the drill bit includes a plurality of cutter elements mounted to a cutter-supporting surface of the blade. Moreover, the drill bit includes a depth-of-cut limiting structure slidably disposed in a bore extending axially from the cutter-supporting surface. The depth-of-cut limiting structure is configured to move axially relative to the bit body in response to rotation of the bit body relative to the connection member.
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