Abstract: After long-term water-flooding development,the macro and micro parameters of reservoir in the fluvial reservoir of Guantao Formation in Gudao Oilfield changed regularly with gradual development of reservoir. Different parameters have variable characters and regularity. While the porosity change is small,the permeability of reservoir varies greatly with water-flooding development. After the reservoir development turns into high water-cut stage,the change of reservoir parameters is getting fast. The dynamic models of macro and micro parameters were built up by using a great deal of log and core data from Gudao Oilfield. The control factors for remaining oil in fluvial reservoir were investigated. The distribution modes of remaining oil in fluvial reservoir of Gudao Oilfield at different water-cut stage were built up. The models can offer geological foundation for developing remaining oil of Guantao Formation in Gudao Oilfield.

Key words: Gudao Oilfield, fluvial reservoir, remaining oil distribution, control factors, dynamic model of reservoir

摘要： 对孤岛油田馆陶组河道砂储集层的研究表明,经长期注水开发,储层宏观、微观参数一般都随着油藏开发程度的加深而发生有规律的变化,但不同类型的参数有各自的特征和变化规律。孔隙度变化幅度较小,渗透率变化较大。从总体上来看,注水开发进入高含水阶段后相对变化较快。利用孤岛油田大量的测井及岩心分析资料,建立了孤岛油田河道砂储集层宏观、微观参数动态模型,研究了孤岛油田河道砂储层剩余油控制因素,建立了孤岛油田河道砂储层油藏不同含水期剩余油分布模式,为孤岛油田馆陶组油藏挖潜提供了地质基础。

关键词: 孤岛油田, 河道砂储集层, 剩余油分布, 控制因素, 油藏动态模型