三套压力注水系统在低渗透油藏的开发实践
INNER MONGOLIA PETROCHEMICAL INDUSTRY(2004)
Abstract
目的:为提高文东油田低渗透油层水驱储量控制程度.方法:①按渗透率高、中、低三种类型油层选定注水井.②因含盐晶体被注入水溶解后渗透率由低变高的油层为对象的注水井,分别实行三套注水压力系统.结果:以渗透率高的油层为开采对象的井实行注入压力18MPa系统注水;经以中等渗透性油层为注水对象的井采用25MPa压力系统注水;特低渗透层采用35MPa压力系统注水.结论:提高了水驱储量动用程度,控制了油井含水上升速度.
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