低渗透油藏的数值模拟——以大芦湖油田樊124区块为例  

Numerical simulation of low permeability oil reservoir

作　　者：潘举玲[1] 黄尚军[1] 盖英杰 杨帆[1] 

机构地区：[1]胜利油田有限公司物探研究院

出　　处：《油气地球物理》2004年第3期38-40,共3页Petroleum Geophysics

摘　　要：低渗透油藏的数值模拟比常规油藏更具复杂性:一是储层非均质现象严重,难以建立可靠真实的地质模型;二是大部分油井的自然产能较低,一般经压裂改造才能投产,压裂后的油藏参数尤其是渗透率会有很大的改变;三是由于泥浆漏失或水基泥浆的滤液侵入地层,导致地层污染严重,由此会引起表皮效应。低渗透油藏的这些特征对成功的油藏数模是个挑战。本文以樊124区块为例,阐述了如何利用地震、地质、测井解释成果,结合油藏的开发动态,建立低渗透油藏的油藏模型。Reservoir numerical simulation of low permeability oil reservoir is more complex than that of normal reservoir. The main reasons as follows: first of all, it is difficult to build true and reliable geological model because of it's strong heterogeneity. Secondly most of oil wells in low permeability oil reservoir have low natural productivity, they must be fractured before production, the physical characters especially permeability have been changed after fractured. Thirdly, mud losing or fluid of water base mud invading layer results in serious pollution, which causes skin effect. The above physical properties are a challenge for successful reservoir simulation. Take Fan 124 block for example, the paper demonstrates how to establish reservoir model of low permeability oil reservoir by using the result of seismic , geology, log interpretation results and dynamic production history.

关 键 词：低渗透油藏 数值模拟技术 非均质性 储层 地质模型 滤液 地层 剩余油 孔隙度 

分 类 号：TE348[石油与天然气工程—油气田开发工程] TE319