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特高含水期马20断块剩余油分布的数值模拟
断块油气田
2007年 14卷 第04期
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Title
Numer ical simulat ion study on remaining oil
distr ibution of BlockM a 20 in the extremely high water
cut per iod
单位
辽河油田公司勘探开发研究院, 辽宁盘锦124010
Organization
( Research Institute of Explorat ion
and D evelopment, Liaohe O ilfield Company, CNPC,
Panjin 124010, China ).
摘要
兴隆台油田马20断块兴隆台层组构造复杂, 开发历史长, 作业措施频繁, 已进入特高含水开发阶段, 剩余油分布状况异常复杂。为解决此难点, 采取了优选主力目标层, 精细储量复算, 优化网格, 建立精细地质模型, 岩石流体物性控制, 精细动态数据控制, 精细历史拟合等数值模拟研究技术措施, 建立了各小层砂体剩余油饱和度等值图, 定量分析了平面、纵向的水淹状况和剩余油分布规律, 探索出针对特高含水期老油田不同剩余油潜力区分布特点进
行可行性挖潜对策调整模式。
Abstract
In v iew of the com plicated struc ture cond itions o f B lock
M a 20 in X ing longtai Fo rma tion w ith long deve lopm ent
h istory, frequentw orkoverm easures and the rem a ining o il are
sparse ly d istr ibu ted and ex trem ely comp licated in ex trem e ly
h igh w ate r cut period, a lot o f num er ica l s imu la tion m easu res
are taken such as the m ain target form ation optim ization, the
reserve re - estim ation, the optimum gr idd ing and the
geo log ical m ode l build up, rock flu id property contro ,l
accura te h istor ica l m atching. From this, the subunit sand
res idua l o il sa turation isopach are mapped, quantitativ e
analysis arem ade on the area l and verticalw ater break through
and residual o il regu lation. Fina lly, the feas ible ad justing
pattern strateg ies fo r produc tion potentia l enhancem ent are
found out fo r the d ifferent rem aining o il po ten tia l a rea.
关键词：
特高含水期 油藏数值模拟 剩余油分布规律 挖潜对策 马20断块;
Keywords:
ex trem ely high w ater cut per iod, reservo ir
num erical sim ulation, rema in ing o il distr ibution law, o il
potentia l tapp ing stra tegy, B lockM a 20.;
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