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ULTRASONIC PULSE-ECHO AND CALIPER FORMATION CHARACTERIZATION
ULTRASONIC PULSE-ECHO AND CALIPER FORMATION CHARACTERIZATION
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机译:超声波脉冲回波和卡钳形成表征
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摘要
A method can include, using a downhole tool, acquiring ultrasonic echo data of a borehole, where the ultrasonic echo data include echoes representative of material and borehole geometry responsive to reflection of ultrasonic energy that has a wide-band frequency range; filtering the ultrasonic echo data using at least one selected filter for multi-band frequency filtering corresponding to different frequency ranges of the wide-band frequency range to generate filtered data; and processing the filtered data to generate attribute values representative of physical characteristics the material, the borehole geometry, or the material and the borehole geometry.
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