陆相水驱油藏剩余油富集区研究
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摘要
陆相复杂非均质油藏高含水期剩余油分布特征是总体分散、局部集中,主要受油藏分割性控制,仍存在较多的剩余油富集区。揭示了剩余油富集区形成机理,建立了断层分割控油、夹层分割控油和优势渗流通道控油等3种主要控油模式,阐明了其对剩余油富集区形成和分布的控制作用,并形成了低级序断层预测、夹层定量预测、优势渗流通道预测等油藏分割性预测技术,在胜利油区应用取得良好效果。图11表2参20
The remaining oil in heterogeneous continental reservoirs at high water-cut stage is generally dispersed with accumulation in certain areas, controlled by reservoir compartmentation. Reservoir compartmentation models caused by fault, interbed and preferential flowing path are put forward, their control on remaining oil accumulation and distribution is expounded and the mechanism of remaining oil accumulation is revealed. Technologies for prediction of low-grade fault, interbed and preferential flowing path are developed, whose application in Shengli Oilfield is effective.
The remaining oil in heterogeneous continental reservoirs at high water-cut stage is generally dispersed with accumulation in certain areas, controlled by reservoir compartmentation. Reservoir compartmentation models caused by fault, interbed and preferential flowing path are put forward, their control on remaining oil accumulation and distribution is expounded and the mechanism of remaining oil accumulation is revealed. Technologies for prediction of low-grade fault, interbed and preferential flowing path are developed, whose application in Shengli Oilfield is effective.
引文
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[6]LiYang,ZhangZonglin.Explorationtechnologyforcomplex sandstonereservoirsinthedevelopedareaofShenglioilfield[J].EngineeringSciences,2003,1(2):6774.
[7]史文东,彭尚谦,姜凤玖.东辛油田断层转换带与油气富集[J].石油勘探与开发,2003,30(5):1417.
[8]焦养泉,李祯.河道储层砂体中隔挡层的成因与分布规律[J].石油勘探与开发,1995,22(4):7881,91.
[9]王振彪,李伟.块状气顶底水油气藏低渗透夹层研究[J].石油勘探与开发,1996,23(6):4246.
[10]窦之林,曾流芳,张志海,等.大孔道诊断和描述技术研究[J].石油勘探与开发,2001,28(1):7577.
[11]王光付,王端平,单家增.东营凹陷辛镇构造复杂低级序断裂体系形成的构造物理模拟实验[J].石油勘探与开发,2004,31(2):1820.
[12]王西文,苏明军,王大兴,等.相控等时小层对比方法及应用[J].石油勘探与开发,2003,30(6):7880.
[13]王光付,战春光,刘显太,等.精细地层对比技术在油藏挖潜中的应用[J].石油勘探与开发,2000,27(6):5657,62.
[14]王西文.精细地震解释技术在油田开发中后期的应用[J].石油勘探与开发,2004,31(6):5861.
[15]孙雪花,刘占军.相干数据分析技术在埕岛油田的应用[J].石油勘探与开发,2003,30(4):6971.
[16]廖红伟,王琛,左代荣.应用不稳定试井判断井间连通性[J].石油勘探与开发,2002,29(4):8789.
[17]梁开芳,解通成,安炳生,等.示踪剂在胜坨油田封堵大孔道中的应用[J].石油勘探与开发,1993,20(1):100104.
[18]李淑霞,陈月明,冯其红,等.利用井间示踪剂确定剩余油饱和度的方法[J].石油勘探与开发,2001,28(2):7375.
[19]李建芳,韩大匡,邓宝荣,等.窗口技术在油藏数值模拟中的应用[J].石油勘探与开发,2003,30(6):8688.
[20]俞启泰,谢绪权,罗洪,等.侧钻水平井开采正韵律油层顶部剩余油可行性评价公式[J].石油勘探与开发,2001,28(3):6062.
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