高含水油藏水驱开发效果评价方法研究  

Study on the Evaluation Method of Waterflooding Development Effect for High Water-cut Reservoirs

作　　者：李迎辉 孔新海[2] 刘道杰 王玉靖 袁学生 郑佳佳 

机构地区：[1]中石油冀东油田分公司陆上油田作业区,河北唐山063229 [2]广安职业技术学院石油工程系,四川广安638000

出　　处：《长江大学学报（自然科学版）》2018年第7期69-73,94,共6页Journal of Yangtze University(Natural Science Edition)

基　　金：国家自然科学基金项目(50874094);国家科技重大专项(2011ZX05050)

摘　　要：油藏进入高含水开发阶段后,油水渗流规律极其复杂,开发效果逐渐变差,如何合理而准确地对油藏水驱开发效果进行评价,关系到油藏下步挖潜方向及调整措施的有效性。首先筛选影响高含水油藏开发效果的24个关键开发指标,利用相关性分析方法,确定关联度较小的14个开发指标作为水驱开发效果评价体系,应用统计学方法确定了不同开发指标的评价标准;然后,利用主客观组合赋权法构建高含水油藏开发效果综合评价模型,计算不同开发指标权重,综合分类评价油藏开发效果。实例表明,应用评价分类结果,针对不同类油藏制定了针对性开发调整措施,均取得了较好开发效果。该水驱开发效果评价技术可为高含水油藏下步开发调整提供技术支持。When a reservoir entered into a high water-cut development stage,the oil-water transfusion law was extremely complex,and the development effect gradually became poor.How to reasonably and accurately evaluate the water-flooding development effect was related to the effectiveness of the next exploration direction and adjustment measures.First of all,24 key development indicators affecting the development effect of high water-cut reservoirs were screened,the method of correlation analysis was used to determine 14 development indexes with less correlation when the effect evaluation system for water-flooding development and statistical methods were used to determine the evaluation standards of different development indexes.Then,a comprehensive model for evaluating the development effect of high water-cut reservoirs was established by using the method of subjective and objective combination empowerment;different development index weights were calculated,by which the reservoir development effect was evaluated comprehensively and classifiably.Examples show that the targeted adjustment measures of different reservoirs are established for different reservoirs and good development effect is obtained by using the results of classification evaluation.The flooding development effect evaluation technology can provide technical support for the development and adjustment of the high water-cut reservoirs at next stage.

关 键 词：赋权模型 指标权重 相关性分析 开发效果评价 高含水油藏 

分 类 号：TE341[石油与天然气工程—油气田开发工程]