一种基于丙型水驱曲线含水率预测新方法  

A New Method for Predicting Water Cut Based on C-Type Waterflooding Curve

作　　者：官志锐[1] 

机构地区：[1]中石油辽河油田分公司勘探开发研究院,辽宁盘锦124010

出　　处：《江汉石油职工大学学报》2014年第6期11-13,共3页Journal of Jianghan Petroleum University of Staff and Workers

基　　金：中国石油天然气股份有限公司重大科技项目"辽河油田原油千万吨持续稳产关键技术研究"(2012E-3004)

摘　　要：针对水驱油田在进入特高含水期产液量上升快、常规含水率预测方法精度低的实际,从丙型水驱特征曲线基本原理出发,得出液油比与产液量的二项式关系,结合含水率与产液量之间的关系,推导出基于液油比的含水率预测模型。研究表明:随着累积产液量的增长,含水上升速度减缓;通过油田实际生产动态数据验证与对比,新建立的水驱油田含水率预测模型预测精度较高,有效拓展了丙型水驱曲线的应用范围,解决了特高含水期含水率预测精度低的问题,具有较强的推广应用价值。Binomial expression of hydraulic oil ratio and liquid production capacity comes out based on the basic princi- ple of C--type waterflooding curve and water cut prediction model is deduced combined with the relationship between water content and liquid production capacity. The research shows that water cut increasing rate slows down with an increase of accumulative liquid production. Newly established water cut prediction model in water controlled oilfield has higher prediction accuracy, which expands the application of C--type waterflooding curve, resolves the problem of low prediction accuracy of water cut in high water cut period and deserves popularization and application.

关 键 词：液油比 含水率 水驱曲线 特高含水期 

分 类 号：TE341[石油与天然气工程—油气田开发工程]