Methods and systems for compressing sonic log data

Details Methods and systems for compressing sonic log data Methods and systems for compressing sonic log data

G - Physics

01

V

G01V 1/36 (2006.01) E21B 47/18 (2012.01) G01V 1/22 (2006.01)

Patent

CA 2612339

Methods for compression of sonic log data includes STC processing, sorting peak components in the sonic data; filtering the sorted peak components to remove high-frequency portions in the peak components; and decimating the filtered peak components according to a selected ratio to produce compressed data. One method for telemetry transmission of downhole sonic log data includes sorting peak components in the sonic log data; compressing the sorted peak components to produce compressed data; packing the compressed data to produce data packets for telemetry transmission; and sending the data packets using telemetry.

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