Sample sleeve with integral acoustic transducers
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United States of America Patent
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Jan 12, 1993
Grant Date -
N/A
app pub date -
Jul 2, 1990
filing date -
Jul 2, 1990
priority date (Note) -
Expired
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Abstract
An apparatus is provided for determining the acoustic anisotropy of a sample being subjected to simulated in-situ pressures and/or temperatures. A sample of the formation of interest is received by a compliant sleeve disposed in a pressure chamber. The compliant sleeve houses a plurality of transducers which are placed in intimate contact with the sample upon pressurization of the pressure chamber. When the pressure chamber reaches the desired pressure and/or temperature, the transducers are energized. The travel times of the generated acoustic signals through the sample are recorded to determine the anisotropic behavior of the sample. The velocity variations of the sample can indicate the historical principal stress axes of the formation at depth.
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