microlog
microlog The record produced by a small electrical sonde, 3–5 cm between the electrodes, that is usually combined with a caliper sonde (to measure borehole diameter), the caliper maintaining the microlog against the borehole wall. The microlog mainly records the resistivity and thickness of the mud cake, and the log is used to assist interpretation of laterologs. See also CALIPER LOG.
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The first practical device for recording and reproducing sound was developed by American inventor Thomas Alva Edison (1847–1931)… resistivity , re·sis·tiv·i·ty / riˌzisˈtivətē/ • n. Physics a measure of the resisting power of a specified material to the flow of an electric current.
resistivit…
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