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用气介声纳方法,把石油钻井泥浆液位的高度转变成0～5V的直流电压,为钻井台录井系统提供泥浆液位变化的信号,借此可预报井喷。本文论述了报警器的工作原理、误差修正及测试结果。
Using gas-mediated sonar method, the height of the oil drilling mud level is converted into a DC voltage of 0-5V, which provides a signal for the drilling mud logging system to change the mud level to predict well blowout. This article discusses the working principle of alarm, error correction and test results.