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Oilfield Glossary
Oilfield Glossary
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ultrasonic measurement

1. n. [Formation Evaluation]
In the context of borehole logging, measurements of acoustic signals that are in the hundreds of kilohertz to the low-megahertz range. Such ultrasonic instruments are mostly of the pulse-echo type, and are used in the borehole televiewer, and in various cased-hole devices to determine corrosion and cement-bond quality.