摘要
由于低渗透油气田的开发过程中,存在着应力敏感问题,这严重影响了低渗透油气田的有效开发。本文通过对苏里格气田的12块岩心进行的室内实验研究,获得了多种应力敏感曲线,总结了低渗透储层应力敏感性变化规律,同时在此基础上,利用气藏工程的不稳定分析方法对该气田几口典型井的生产历史进行拟和后分析,进一步验证应力敏感随气田开发产生的变化规律,并结合实际情况对该区的生产开发提出一些合理的建议。
Stress sensitivity plays more and more important role in the development of the low-permeability gas reservoir. Through experiment of analyzing 12 cores from Sulige gas reservoir, we make some characteristic curves of stress sensitivity and discuss the relationship between permeability and pressure. On the other hand, using reservoir unbalance analyzing method, we match some wells＇ production history and then analysis the stress sensitivity characteristics of the reservoir. As a result, considering the circμmstance of Sulige tight-sand gas reservoir ,we give some reasonable suggestions about the daily production of this area.
出处
《内蒙古石油化工》
CAS
2009年第7期125-127,共3页
Inner Mongolia Petrochemical Industry
关键词
低渗透
应力敏感
产量不稳定分析法
Low-Permeability
Stress Sensitivity
Unbalance Analyzing Method
