油水界面测量与计算

Measurement and calculation on oil-water interface

精确测量原油储罐油水界面是石油开采加工工艺过程的基本要求,油水界面测量技术在石油化工过程系统工程研究中占有十分重要的位置。首先介绍了油水界面测量技术的研究现状,分析了每一种测量技术的测量原理和技术应用,并从技术原理、测量方式和计算方法3个方面对15种油水界面测量技术进行了对比总结;其次重点探讨了油水界面计算方法,提出按照直接读数、关键参数、矩阵数据和图像分析4个方面总结油水界面计算方法,并对其所用算法研究进展进行分析和对比;最后对油水界面测量技术下一步发展做了展望,预测了油水界面测量技术在混合模式技术原理、非接触式测量方式、高精度测量过程、多维数据计算方法和智能化信息系统建设平台等5个方面的发展方向和技术难点。

Accurate measurement of oil-water interface in the crude oil tank is a basic requirement of petroleum exploitation process.The development of this technology is very important in the research of petrochemical process system engineering.Firstly,15 kinds of oilwater interface measurement technologies are analyzed.The measurement principle and application of each measurement technology are introduced.These oil-water interface measurement technologies are compared in three terms,including technical mode,measurement mode and calculation mode.Then,this paper focuses on the oil-water interface calculation mode and compares the research progress of algorithms adopted in this direction.The calculation methods are summarized in four aspects,including direct reading method,keyparameter based method,matrix-data based method and image-analysis based method.Finally,this paper prospects the future development of oil-water interface measurement technology.The future development and the related difficulties are analyzed in five aspects,including hybrid-mode technology,high precision measurement processing,non-contact measurement,multi-dimensional data calculation method and intelligent information system construction platform.