| 姬塬油田堡子湾区特低渗油藏油水分布相控因素分析 |
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| 引用本文： | 冯松,欧成华,蒋书虹. 姬塬油田堡子湾区特低渗油藏油水分布相控因素分析[J]. 重庆科技学院学报(自然科学版), 2009, 11(1) |
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| 作者姓名： | 冯松 欧成华 蒋书虹 |
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| 作者单位： | 西南石油大学油气藏地质及开发工程国家重点实验室,成都,610500;西南石油大学油气藏地质及开发工程国家重点实验室,成都,610500;西南石油大学油气藏地质及开发工程国家重点实验室,成都,610500 |
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| 摘 要： | 延长组长4+5油层组是堡子湾区的主要产层,为典型的特低渗透岩性油藏.通过深入研究该区长4+5油层的油水分布特征及主要控制因素,找出了此类型油藏剩余油分布规律.该区呈现主力层油水同层较厚,非主力层油层或油水层分散,以及纵向分带性较强等典型的特低渗透岩性油水分布特征.沉积微相控制油气的聚集规模和范围,成岩相制约了油藏油水分布规律,物性非均质性是油水微观分布的决定因素.
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| 关 键 词： | 长4+5油层组 特低渗透储层 沉积微相 成岩相 物性非均质性 |
The Study of Facies Control Factors of the Distribution of Oil and Water in Ultra-low Permeability Reservoir in Baoziwan Area of Jiyuan Oilfield |
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| FENG Song,OU Cheng-hua,JIANG Shu-hong. The Study of Facies Control Factors of the Distribution of Oil and Water in Ultra-low Permeability Reservoir in Baoziwan Area of Jiyuan Oilfield[J]. Journal of Chongqing University of Science and Technology:Natural Science Edition, 2009, 11(1) |
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| Authors: | FENG Song OU Cheng-hua JIANG Shu-hong |
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| Affiliation: | State key Lab of Oil and Gas Reservoir Geology and Exploitation;South west Petroleum University;Chengdu 610500 |
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| Abstract: | Chang4+5 oil-bearing strata group of the Yanchang Formation is main productive layers of Baoziwan area,and it is a typical ultra-low permeable lithologic reservoir.This paper gives a deep research on the pattern and the major controlling factors of oil and water.Results show that in main productive layers,oil-water layers are thick,in non-active layers,oil layers and oil-water layers are discrete,and the vertical zonation is strong.The major controlling factors of the reservoir are that the sedimentary micr... |
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| Keywords: | Chang4+5 oil-bearing strata group ultra-low permeability reservoir sedimentary microfacies diagenetic facies physical property heterogeneity |
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