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近年来,随着试井仪表的发展,在取得高质量的压力、温度数据基础上,已发展了一整套现代试井分析方法,使得试井工作成为钻井、试油和油气开采过程中不可缺少的组成部分。本文较全面地论述了国外试井仪表的技术发展状况,介绍了电子压力计的工作模式,信号频率与真实压力值之间的换算及其温度校正,常用的压力传感器的组成及传感元件,电子压力计的特性指标以及各种压力计的适用范围和效果评价。
In recent years, with the development of well testing instruments, a set of modern well testing analysis methods have been developed based on obtaining high-quality pressure and temperature data, making the well testing an indispensable part of drilling, oil testing and oil and gas exploration Part. In this paper, a more comprehensive discussion of the state of the art of measuring instruments abroad, introduced the working mode of the electronic pressure gauge, the conversion between the signal frequency and the true pressure value and temperature correction, the composition of common pressure sensors and sensor components, The characteristics of electronic pressure gauge as well as a variety of pressure gauge the scope and effectiveness evaluation.