宝浪油田宝北区块储层裂缝单元表征及预测Characterization and Prediction of Fractured Reservoir Units,Baobei District,Baolang Oilfield
薛国勤;周锋德;姚光庆;曾佐勋;
摘要(Abstract):
宝浪油田宝北区块属高陡背斜构造发育区,区内发育多种裂缝类型,对裂缝单元的认识程度直接影响着油田的开发方案及效果。为了对该区块裂缝型储层单元进行表征和预测,综合利用了岩心观察、测井方法和曲率方法,对裂缝的类型、裂缝成因、裂缝预测方法和裂缝分布规律进行了研究。研究表明:①宝北区块储层裂缝主要分为高角度裂缝和低角度裂缝两种类型,它们分别属构造成因和沉积—构造复合成因;②低角度裂缝分布与沉积微相分布一致;③高角度裂缝在区块的南部和构造的轴部较发育,主要靠近断层附近分布。
关键词(KeyWords): 宝北区块;裂缝单元;表征及预测
基金项目(Foundation): 中国石油化工股份有限公司河南油田分公司重点项目“宝北区块流动单元划分及水淹规律研究”(2004026101)
作者(Author): 薛国勤;周锋德;姚光庆;曾佐勋;
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