Figure F32. Summary of the logs recorded by the Formation MicroScanner (FMS)-sonic tool string, Hole U1339D. Hole size is calculated by the two calipers on the FMS. The gamma ray log recorded during the main pass of the triple combination (TC) tool string is shown for comparison and to confirm the good match between the two runs. High waveform coherence (red in the velocity track) is a measure of the reliability of the slowness/time coherence algorithm used to derive compressional velocity (VP) from the recorded waveforms. gAPI = American Petroleum Institute gamma ray units.
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