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circumferential acoustic logging沿井周声波测井——在井下仪器的极板上装有若干超声波发射器和接收器,它们沿着井壁的圆周排列。可测横波和流体导波,供评价定向垂直裂缝之用。
circumferential acoustic logging Along the wellbore sonic logging - There are several ultrasonic transmitters and receivers on the downhole instrument plate that line up along the circumference of the wellbore. Measurable shear waves and fluid guided waves for the purpose of evaluating vertical fractures.