直井注水平井采低渗薄层调驱技术研究与应用  被引量:5

Research and application of profile control with vertical injector + horizontal producer in low permeability thin reservoir

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作  者:邱衍辉[1] 王桂杰[1] 刘涛[1] 边朝亮[1] 

机构地区:[1]中油辽河油田公司,辽宁辽中110206

出  处:《特种油气藏》2011年第3期123-125,142,共3页Special Oil & Gas Reservoirs

基  金:2008年辽河油田公司"提高水驱开发效果技术研究与应用"部分内容(ZD2008-6)

摘  要:茨631块为低渗薄层复杂小断块,天然能量低,直井转注水后,对应水平采油井含水迅速上升。针对直井注水-水平井采油注采模式下油井含水上升速度快的实际,利用数模技术研究茨631块剩余油分布规律和水驱规律,分析了示踪剂和微地震水驱前缘测试资料,采用延迟交联的弱凝胶对直井注水井进行小排量、大半径深部调驱,调驱后注水水驱方向发生了改变,油井取得了显著的增产效果。Block Ci631 is a complex small faulted block with low permeability,thin formations and low natural energy.The water cut in corresponding horizontal producer increases rapidly after water injection into vertical well.Numerical simulation was conducted to study residual oil distribution and water flooding behavior in Block Ci631.Tracer data and microseismic test data of waterflood front were analyzed.In-depth profile control was conducted in vertical injectors with delayed crosslinked weak gel injected at small displacement and large radius.After profile control treatment,the direction of water flooding has changed and production has increased remarkably.

关 键 词:薄油层注水 直井 水平井 低渗 数模 弱凝胶 注水优势通道 测试 茨631块 

分 类 号:TE341[石油与天然气工程—油气田开发工程]

 

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