边底水复合砂岩油藏见水规律及主控因素研究  

Study on water breakthrough rule and main controlling factors for composite sandstone reservoir with edge and bottom water

作　　者：陈民锋[1] 李晓风[2] 时建虎 盖建 王敏[1] 

机构地区：[1]中国石油大学(北京)石油工程学院,北京102249 [2]中国石油辽河油田分公司勘探开发研究院,辽宁盘锦124010

出　　处：《复杂油气藏》2014年第4期45-49,共5页Complex Hydrocarbon Reservoirs

基　　金：国家科技重大专项课题子课题<西非深水油田注采优化及高效开发模式研究>;课题编号2011ZX05030-005-05

摘　　要：由于油藏边水、底水的驱动作用机理不同,以及多种地质和开发因素的影响,导致边底水复合砂岩油藏不同位置的油井,在不同阶段的见水规律及生产动态存在较大的差异。基于对实际油田开发动态对比和油藏中油水运动规律的分析,建立以产水特征曲线形态来判别油井水淹模式、以窜流指数来评价油井水窜强度的方法;并利用灰色关联分析方法,定量确定了影响油井见水强度的主控因素。实例分析表明,应用建立的方法,可以准确分析和评价边底水复合砂岩油藏的水驱推进过程和油井见水规律,为油藏开发调整和油井措施的实施奠定基础。Due to the difference of edge and bottom water driving mechanisms,and the influence of various geological and development factors,it is different that water breakthrough rule and development performance at different stages for oil wells which are located in different positions of composite sandstone reservoir with edge and bottom water.Based on the comparison of actual oilfield development performance and the analysis of reservoir oil water movement rule,the method was built up,that characteristic curve pattern of water production for recognizing flooding mode and crossflow coefficient for evaluating water breakthrough degree.Meanwhile the grey correlation analysis method was used to determine the main con-trolling factors of water breakthrough quantitatively.The development practice indicated that the established method can analyze and evaluate water driving process and water breakthrough rule accurately for composite sandstone reservoir with edge and bottom water.It can lay the foundation for the oilfield development adjustment and the implementation of oil well measures.

关 键 词：砂岩油藏 边底水 见水规律 产水特征曲线 窜流指数 灰色关联法 

分 类 号：TE311[石油与天然气工程—油气田开发工程]