【摘要】 用环形孔板节流模型对注汽井吸汽剖面的压力、流量、干度、温度进行了分析，以汽液两相流分相理论导出了仪器的测量原理公式．在此基础上，着重就与该仪器配套的压力、差压组合式传感器及系统的设计、研制进行了较详细描述，展示了该仪器现场测试的一些典型结果更多还原

【Abstract】 The pressure, temperature, discharge and quality of the vapor sucking section of vapor injection well are analyzed, and formulas of measurement principle are obtained from the split phase theory of two phase flow. On the basis, a detailed description is provided with major focus on pressure difference composed type transducer and the design and manufacture of the system. Some typical results of the on spot measurement by the instrument are presented.更多还原