| 东海盆地西湖凹陷深部储层“相-岩-温”三元分级评价原则与效果 |
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| 引用本文： | 杜学斌,陆永潮,曹强,叶加仁,贾冀新,赵珂,段丹.东海盆地西湖凹陷深部储层“相-岩-温”三元分级评价原则与效果[J].地质科技通报,2020,39(3):10-19. |
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| 作者姓名： | 杜学斌 陆永潮 曹强 叶加仁 贾冀新 赵珂 段丹 |
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| 作者单位： | 中国地质大学（武汉）海洋地质资源湖北省重点实验室;中国地质大学（武汉）构造与油气资源教育部重点实验室 |
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| 基金项目： | 国家科技重大专项2016ZX05027-001-005 |
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| 摘 要： | 西湖凹陷是东海盆地最有油气潜力、最有勘探难度的沉积盆地,储层类型多样且致密化严重是目前制约资源评价的重点难题之一。现有的储层评价标准并没有充分考虑到多样性储层并存的特征,对于储层的评价依然依托的是常规储层评价标准,并没有系统开展过多类型储层的分类、分级评价。在充分讨论西湖凹陷储层控制因素的基础上,遴选出储层发育的主要控制要素,建立了“微相-成岩-温度”三要素联控下的储层三元分级方案,并在此基础上,对主要目的段储层开展了分级评价,认为花港组储层以低渗特低渗储层为主,占总储层的35%以上,是未来主要的勘探类型。平湖组以常规和低渗储层为主。研究成果为后期资源量分级评价奠定了基础,也为国内外同类型盆地储层评价提供了借鉴。
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| 关 键 词： | 分级评价 原则 深部储层 西湖凹陷 东海盆地 |
| 收稿时间： | 2019-11-10 |
Grading evaluation of deep reservoir in Xihu Depression,East China Sea Basin |
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| Du Xuebin,Lu Yongchao,Cao Qiang,Ye Jiaren,Jia Jixin,Zhao Ke,Duan Dan.Grading evaluation of deep reservoir in Xihu Depression,East China Sea Basin[J].Bulletin of Geological Science and Technology,2020,39(3):10-19. |
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| Authors: | Du Xuebin Lu Yongchao Cao Qiang Ye Jiaren Jia Jixin Zhao Ke Duan Dan |
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| Affiliation: | (Hubei Key Laboratory of Marine Geological Resources,China University of Geosciences(Wuhan),Wuhan 430074,China;Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education,China University of Geosciences(Wuhan),Wuhan 430074,China) |
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| Abstract: | Xihu Depression is a sedimentary basin with the most oil and gas potential and exploration difficulty in the East China Sea Basin. The existing reservoir evaluation standard cannot fully take into account the characteristics of reservoir diversity, so the reservoir evaluation relies on the conventional standard, and the systematic reservoir classification and grading evaluation are constrained. This paper, on the basis of discussion reservoir control factors, takes the "Microfacies-Diagenesis-Temperature" as the main evaluation parameters of reservoir classification and evaluates the main reservoirs on this basis. The results show that the Huagang Formation is mainly composed of low-permeability and super-low permeability reservoirs, accounting for more than 35% of the total reservoir, and thus is the main exploration type in the future. The Pinghu Formation is mainly composed of conventional and low-permeability reservoirs. The research results establish a foundation for the later stage of resource quantity grading evaluation and, also to provide some help for same type reservoir in others basin. |
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| Keywords: | grading evaluation principle deep reservoir Xihu Depression East China Sea Basin |
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