摘要
结合油田井下流速测量的特点 ,论述了一种适用于井下测量的低流速、高粘度油井注入液体流速检测的新型传感器。该传感器采用PTCR自热耗散原理检测油井注入液体流速。解决了井下空间狭窄、流体粘度大、工作温度偏高、环境压力偏大等测量难题。设计并制造了井下PTCR热耗散式流速传感器。实验和试用结果表明 ,该传感器具有良好的重复性和可靠性 。
Taking into consideration the characteristics of the under-well measurement of flow velocity, this paper discusses a new sensor for measurement of flow velocity of the injected liquid into the oil well that is low in velocity and high in viscosity, suitable for the under-well measurement. This sensor is based the theory on self-heating dissipation of PTCR. It solved the measurement problem that is little under-well space, high liquid viscosity and high operation temperature. We designed and made the entire under-well PTCR heated dissipation velocity sensor. Experiment states this sensor is good in performance, and there are great useful value for oil produce.
出处
《仪表技术与传感器》
CSCD
北大核心
2000年第9期6-9,共4页
Instrument Technique and Sensor
基金
哈尔滨市科委重点攻关项目资助!(981 1 2 1 1 0 81 )
黑龙江省自然科学基金项目资助!(E982 9)
关键词
流速传感器
自热耗散
油井注入液体
PTCR
Flow Velocity Sensor, Self-heating Dissipation, Liquid Injected Into Oil Well, PTCR