Method and system of data transmission for a borehole...

Details Method and system of data transmission for a borehole... Method and system of data transmission for a borehole...

G - Physics

01

V

349/6

G01V 1/40 (2006.01) G08C 19/28 (2006.01) E21B 47/12 (2006.01)

Patent

CA 1217850

A METHOD AND SYSTEM OF DATA TRANSMISSION FOR A BOREHOLE LOGGING TOOL Abstract A borehole logging system employs a transmitter of acoustic energy pulses and at least one receiver for producing an analog sig- nal representative of the acoustic pulses traveling from the trans- mitter to the receiver through the formation adjacent the borehole as the logging system is moved through the borehole. A sample-and-hold unit samples the analog signal and an analog-to-digital converter produces a digital data word representative of the sampled analog signal. A plurality of digital data words are stacked and converted to a digital serial word for transmission to the surface of the earth over the logging cable.

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