鄂尔多斯白豹油田非均质储层流体驱替特征  

The heterogeneous reservoir of displacement typicality of fluid in Baibao oil field in Ordos basin

作　　者：赵景辉[1] 

机构地区：[1]西北大学地质学系,陕西西安710069

出　　处：《内蒙古石油化工》2009年第3期97-99,共3页Inner Mongolia Petrochemical Industry

摘　　要：目的:分析在不同井区、不同井段的条件下,总结油水运动的方式、油水运动的通道以及非均质性对渗透率和驱油效率的影响。方法:采用真实砂岩微观模型水驱油实验对研究区的水驱油机理及影响水驱油效率的因素等进行了较为系统的分析研究,逼真、直观地模拟了水驱油过程中流体的渗流特征及残余油分布规律。结果:注入水在一定的注入压力下首先进入连通较好的大孔隙并逐步形成渗流通道,随着注入压力的不断升高,注入水由大孔隙逐渐进入连通较好的大孔隙周围的小孔隙。结论:白豹油田储集层属低渗透储集层,驱替效率主要受到储层的非均质性、物性、裂缝、躯体压力和注入水的倍数的影响。Aim to conclude the mode of the movement of oil under the condition of different log field and different log segment. Methods on the basis of experiment of fluid replacement , we do a careful research on the principle and the effect on efficiency of fluid replacement. We simulate realistically and directly the character and the principle of residue oil. Result the water firstly enters he big holes f good connected and form the channel gently. Along the increase of the press, the water enter the small holes around big holes and the area of reaching is enlarged. Conclusion the reservoir bed of Baibao oil field belongs to style of low penetration rate. The efficiency of replacement is affected by inhomogeneity,physical property,split, pressure and the volume of instilled water.

关 键 词：流体驱替 低渗透 裂缝 驱油效率 剩余油 注入水 

分 类 号：TE345[石油与天然气工程—油气田开发工程] P618.130.2[天文地球—矿床学]