Wellbore tool with hall effect coupling

Details Wellbore tool with hall effect coupling Wellbore tool with hall effect coupling

E - Fixed Constructions

21

B

255/1

E21B 17/16 (2006.01) E21B 12/02 (2006.01) E21B 17/02 (2006.01) E21B 47/01 (2006.01) E21B 47/12 (2006.01)

Patent

CA 2002484

ABSTRACT The present invention is an improved wellbore tool for coupling to a drill string at a threaded junction and adapted for use in a wellbore during drilling. A sensor is disposed in the wellbore tool for sensing a condition and producing a data signal corresponding to the condition. A self-contained power supply is disposed in the wellbore tool and coupled to the sensor for providing power to the sensor as required. The Hall Effect coupling transmitter means is carried by the sensor and for transmitting data from the Hall Effect coupling transmitter means to a Hall Effect coupling receiver carried by the drill string and disposed across the threaded junction from the wellbore tool, wherein data is transmitted across the threaded junction without requiring an electrical connection at the threaded junction.

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