摘要
针对目前多层油藏注水开发指标预测方法建立在平面均质的基础上,忽略了油藏的平面非均质性和采用注采井组开发的特征,预测的生产指标与实际生产指标偏差较大,此外,劈分油井产状的方法主要为基于油藏工程原理的动态法,但受多种因素的影响,其应用效果都不理想。本文提出建立多层非均质油藏注水开发指标预测方法,预测油藏的含水率和采出程度等开发指标,在产液剖面测试有限的情况下,依据测试数据更多的水井注入剖面测试结论结合渗流阻力计算解决平面和剖面两方向上的注水量劈分,再以油井为中心叠合周围水井劈分过来的注水量最终得到油井各产层产液量劈分系数,最后确定出合理的劈分产液量,为分层注水的开发调整提供指导。
In multilayer reservoir waterflood development index prediction method based on plane homogeneous, ignoring the plane heterogeneity of reservoir and the injection-production well group development characteristics, prediction of production index and the actual production index.The deflection and split the attitude of the well the main methods for dynamic method based on reservoir engineering theory, but is influenced by many factors, its application effect is not ideal. This article proposed multilayer heterogeneity reservoir waterflood development index prediction methods, prediction of reservoir water cut and recovery degree development indexes.In fluid producing profile test under the condition of limited, on the basis of test data is more wells injection profile test conclusion combining seepage resistance calculation to solve the plane and profile the water injection split two direction, and well centered composite water injection wells split over around finally got the reservoir fluid volume split coefficient.Finally determined reasonable split liquid producing capacity, guide the layered water injection development adjustment.
作者
李鹏伟
LI Pengwei(Xi＇an Shiyou University, Xi＇an Shanxi 710065, China)
出处
《石油化工应用》
CAS
2018年第6期53-56,65,共5页
Petrochemical Industry Application
关键词
指标预测
油藏工程
劈分系数
含水率
index prediction
reservoir engineering
dividing coefficient
moisture content
