E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
349/5
E21B 47/12 (2006.01) E21B 47/16 (2006.01) G08C 19/00 (2006.01)
Patent
CA 1236206
BOREHOLE MONITORING DEVICE AND METHOD ABSTRACT A method and device for sensing hole parameters while drilling a borehole, and transmitting the sensed data to a remote receiver. Data are transmitted in digital format as a series of audible binary pulses generated by a solenoid acoustically coupled to the drill- pipe. In a preferred embodiment, data transmission occurs automatically during periods of drilling inactivity.
476397
Bockhorst Rhea W.
Christopher David A.
Lauer Stephen D.
Conoco Inc.
Ridout & Maybee Llp
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