哈国NB油田水驱水平井低产见水影响因素研究  

Influencing Factors of Low Production and Water Breakthrough in Water Flooding Vertical Wells and Deployment Research in NB Oilfield in Kazakhstan

作　　者：王有慧[1] 

机构地区：[1]中油辽河油田公司勘探开发研究院,辽宁盘锦124010

出　　处：《重庆科技学院学报（自然科学版）》2014年第5期14-16,共3页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：中国石油天然气股份有限公司项目"海外五大油气合作区油气田开发方式优化及技术对策研究"(2011D-2001)

摘　　要：哈萨克斯坦NB油田为被断层复杂化的背斜构造,油气水分布十分复杂。近两年,在大力加强油藏地质精细研究的基础上,积极推广应用水平井开发新技术,使注采井网中加密水平井技术在油田开发中的应用规模迅速扩大,并取得较好的开发效果,但是水平井含水上升快、产量递减迅速的问题日益突出。通过对油田投产水平井见水特征的分析,结合油藏地质特征,明确水平井低产高含水的主要影响因素有地层压力、储层横向突变、储层非均质性、水驱波及和部署方式等,并针对影响因素提出水平井部署建议,以确保应用水平井高效合理开发油田。Oil field North Buzachi in KazakhStan is an anticline with faults, in which distribution of oil, gas and water is very complicated. In the recent two years, on the basis of accurate geological analysis, horizontal wells are widely used as infilling wells and obtained good effeeton development. However, at the same time, problems of fast increase of water cut and decline of production are raised. According to the characteristics of water breakthrough and geological features of reservoir, chief influential factors of low production and high water cut are analyzed, for example, formation pressure, horizontal abrupt change of reservoir, heterogeneity of reservoir, sweep efficiency of water flood, disposition pattern. Furthermore, recommendations about distribution of horizontal wells are presented for developing oil field reasonably and with high efficiency.

关 键 词：水驱 水平井 见水 部署对策 

分 类 号：TE347[石油与天然气工程—油气田开发工程]