底水稠油油藏水措施效果分析.docx

（北京）CHINAUNIVERSITY OF PETROLEUM毕 业 论 文底水稠油油藏避水措施效果分析院系名称： 专业名称： 学生姓名： 学 号： 指导教师： 完成日期 年 月 日底水稠油油藏避水措施效果分析摘要随着常规油藏的开采殆尽，以稠油、低渗油等为代表的非常规油藏也渐渐受到人们的重视。底水稠油油藏作为稠油油藏中非常重要的一种类型，也必将成为人们研究开发的重点。底水稠油油藏的突出特点就是底水厚度大，水体体积大。由于强大的底水能量，底水锥进无疑成为这类油藏开采过程中的最大问题。由于底水锥进，又造成油井见水快、生产周期缩短、含水率上升、采收率降低以及采出程度减小等问题。因此，对于底水稠油油藏来说，如何有效地避水、堵水是亟待解决的问题。笔者从油田实例出发，查阅相关文献资料，结合理论研究与实践分析，总结出了现今稠油开采技术下国内外底水稠油油藏避水的一系列方法措施，并对各项措施的适用性、实施方法、实施效果等进行了分析研究，以期形成一个比较系统完整的结果。关键词：稠油；底水；底水锥进；避水Avoid Water Effect Analysis of Heavy Oil Reservoir with BottomWaterAbstactWith the conventional reservoirs depleted,people gradually pay attention to the unconventional reservoirs which are representative of heavy oil,low permeability and so on.As heavy oil reservoir with bottom water is a very important type in heavy oil reservoirs,it will become the focus of research and development.The outstanding features of heavy oil reservoir with bottom water are big thickness of bottom water and large water volume.Because of the strong water energy,bottom water coning undoubtedly become the biggest problem in the exploitation process of this kind of reservoirs.Then the bottom water coning causes early water breakthough,short production cycle,high water cut,low recovery factor and low degree of reserve recovery.Therefore,for the heavy oil reservoirs with bottom water,how to avoid water effectively is the problem that needs to be solved urgently.The author set out from an example of the oil field,looked up the relevant literatures,combined the theoretical research and practical analysis,summarized a series of measures to aovid water in the heavy oil reservoir with bottom in the technology of heavy oil recovery nowdays and analyzed the applicability, implementation method, implementation effect of this mesasures,in order to form a complete and systematic results.Key words: heavy oil ; bottom water ; bottom water coning ; avoid water目 录第1章 前言11.1 研究目的11.2 研究意义21.3本文框架2第2章 底水稠油油藏概述42.1稠油定义42.2 稠油的分类标准52.3稠油的基本特征62.4稠油开采技术72.4