Measurement tool for obtaining tool face on a rotating drill...

Details Measurement tool for obtaining tool face on a rotating drill... Measurement tool for obtaining tool face on a rotating drill...

E - Fixed Constructions

21

B

E21B 47/02 (2006.01)

Patent

CA 2554937

An apparatus for obtaining tool face angles on a rotating drill collar in substantially real time is disclosed. In one exemplary embodiment the apparatus includes a magnetoresistive magnetic field sensor deployed in a tool body. The apparatus further includes a programmed processor configured to calculate tool face angles in substantially real time from the magnetic field measurements. The programmed processor may optionally further be configured to correlate the calculated tool face angles with logging while drilling measurements for use in borehole imaging applications.

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