Systems and methods for using Stoneley waves for bottom-hole proximity detection
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United States of America Patent
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Dec 8, 2020
Grant Date -
May 16, 2019
app pub date -
Nov 16, 2017
filing date -
Nov 16, 2017
priority date (Note) -
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Abstract
A downhole tool system may include a Stoneley wave emitter, located in a downhole tool, designed to emit Stoneley waves into a borehole. The downhole tool system may include one or more Stoneley wave sensors, located in the downhole tool, and a processor. The processor may be designed to receive signals from the one or more Stoneley wave sensors based on the detection of the Stoneley waves. The processor may use the signals to obtain a temporal measurement of the Stoneley waves. Based at least in part on the temporal measurement, the processor may calculate a distance from the downhole tool or a bottom-hole assembly to the bottom of the borehole.
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