METHOD OF ACOUSTIC WELL LOGGING
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United States of America Patent
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Issued Date -
Jun 2, 2016
app pub date -
Nov 27, 2015
filing date -
Nov 27, 2014
priority date (Note) -
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Abstract
A logging tool is disposed in a borehole; the logging tool is capable of being moved and has at least one section comprising at least one transmitter of directional acoustic signals and at least one section comprising at least one acoustic signal receiver comprising an array of sensors installed circumferentially in fixed positions relative to each other. A relative angle of rotation of the acoustic logging tool around its axis is determined at each step of acoustic logging. A correction angle is computed for the sections comprising at least one transmitter of the directional acoustic signals, and/or for the sections comprising at least one acoustic signal receiver. The correctional rotation of the sections for which the correction angle has been computed is carried out.
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