一种井下油、水、气混相流量测量装置制造方法及图纸

本发明专利技术涉及一种井下油、水、气混相流量测量装置，属石油开发井下（工具）设备技术领域，其特征在于将文丘里管（３）和细长带锥的喷嘴（６）依次安装在套管（８）内；文丘里管（３）的上端与上端油管（１）相连接，下端与细长带锥的喷嘴（６）相连接；细长带锥的喷嘴（６）的下端与下端油管（１１）相连接；在文丘里管（３）上，相对于文丘里管（３）喉部的位置嵌入式安装有传感器组（４）；在相对于文丘里管（３）入口圆筒段的位置开有上游取压口（１０）、在相对于文丘里管（３）喉部的位置开有喉部负压取压口（９）。本发明专利技术利用合理的文丘里管结构设计，实现了对井下油、水、气三相的混合计量，实时采集，结构简单，安全可靠，测量精度高。

Downhole oil, water and gas mixed phase flow measuring device

The invention relates to a downhole oil water miscible gas flow measuring device, belonging to the petroleum downhole (tools) equipment technical field, which is characterized in that the Venturi tube (3) nozzle and slender cone (6) are arranged in the casing (8); Venturi (3) and the upper end of the upper end the tubing (1) is connected with the nozzle at the lower end of the slender cone (6) is connected with the nozzle; a slender cone (6) and the lower end of the lower end of the tubing (11) is connected in the pipe; Venturi (3), Venturi (3) relative to the position of the embedded throat provided with a sensor group (4 in relative to the Venturi tube); (3) the position of a cylinder entrance section of the upstream pressure taking port (10), Venturi (3) relative to the tube throat position with the throat negative pressure taps (9). The invention utilizes the reasonable design of the Venturi tube structure to realize the mixed metering of the oil, water and gas in the downhole, and the real-time acquisition is simple, safe and reliable, and the measuring accuracy is high.

【技术实现步骤摘要】

【技术保护点】
一种井下油、水、气混相流量测量装置，由上端油管（１）、接箍（２）、接箍（５）、接箍（７）、套管（８）、下端油管（１１）等组成，其特征在于将文丘里管（３）和细长带锥的喷嘴（６）依次安装在套管（８）内；文丘里管（３）的上端与上端油管（１）相连接，下端与细长带锥的喷嘴（６）相连接；细长带锥的喷嘴（６）的下端与下端油管（１１）相连接；在文丘里管（３）上，相对于文丘里管（３）喉部的位置嵌入式安装有传感器组（４）。

【技术特征摘要】

【专利技术属性】
技术研发人员：冯定，黄朝斌，尹松，
申请(专利权)人：长江大学，
类型：发明
国别省市：42[中国|湖北]