METHOD OF ACOUSTIC WELL LOGGING
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United States of America Patent
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Jun 23, 2016
app pub date -
Dec 18, 2015
filing date -
Dec 19, 2014
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Abstract
Methods for acoustic logging are described herein. The method includes disposing an acoustic logging tool in a wellbore. The tool includes at least one directional acoustic signal source and at least one acoustic signal receiver. A position of the tool in the wellbore and/or a wellbore shape are determined at each step of acoustic logging before acoustic measurements are taken. A required direction of acoustic signal emission is determined, then an angle of rotation of the logging tool around its axis is computed to provide the determined direction. The acoustic signal source is rotated by the computed angle and acoustic measurements are taken.
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