caliper log


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caliper log

[′kal·ə·pər ‚läg]
(mining engineering)
A graphic record showing the diameter of a drilled hole at each depth; measurements are obtained by drawing a caliper upward through the hole and recording the diameter on quadrile paper.
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References in periodicals archive ?
To ensure the quality of the logs, we use caliper log (CAL) as the reference.
Acoustic Log Prediction on the Basis of Kernel Extreme Learning Machine for Wells in GJH Survey, Erdos Basin

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