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Method and apparatus of measuring ultrasonic time travel information obtained from logging operations in a well borehole
Method and apparatus of measuring ultrasonic time travel information obtained from logging operations in a well borehole
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机译:测量从井眼中的测井操作获得的超声时间旅行信息的方法和设备
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摘要
A method for measuring time of travel information of an acoustic return obtained from borehole logging operations avoids the phenomena of cycle skipping. The time of travel is determined from a threshold travel time and a digitization travel time. The threshold travel time is measured from the generated acoustic waveform to the detected threshold level of the acoustic return. The digitization travel time is measured from the threshold travel time to the time of the peak amplitude of the acoustic return.
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