United States Patent Application: 20080128171
Serial No.: 571849
Series Code: 11
Applicant: Halliburton Energy Services, Inc.
Inventors: Weston; John Lionel; (Somerset, GB); McRobbie; David Philip; (Aberdeen, GB)
Title: Closed loop control bore hole drilling system
A steerable bore hole drilling tool and method of drilling bore holes. The steerable bore hole drilling tool comprises means for mechanically decoupling the sensor unit from the tool body. The method comprises a step of mechanically decoupling the sensor unit form the tool body.