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杨浅3井区Ⅵ1油组储层解释研究
摘要：杨浅3井区Ⅵ1油组是中国东海油气资源开发的重要区块之一。本研究以储层解释为主题，通过对区块地质资料和油藏特征的分析，结合岩心、试井数据，研究了杨浅3井区Ⅵ1油组储层的地质特征、岩性分类、孔隙结构、渗流能力等。研究结果表明，区块油组储层具有良好的岩性组合和孔隙储集特征，渗透性较高，具备较好的开采潜力。
关键词：杨浅3井；区Ⅵ1油组；储层解释；地质特征；岩性分类；孔隙结构；渗流能力
1. 引言
杨浅3井区Ⅵ1油组是中国东海油气资源的重要区块之一，目前已被发现具有丰富的油气资源。储层解释是油气勘探开发的关键环节之一，通过对储层的地质特征和岩层性质进行解释分析，可以为油气勘探和开发提供重要的依据。本文以杨浅3井区Ⅵ1油组为研究对象，对其储层进行解释研究，旨在揭示其地质特征、岩性分类、孔隙结构、渗流能力等方面的特点，为油气勘探和开发提供科学依据。
2. 杨浅3井区Ⅵ1油组地质特征分析
杨浅3井区Ⅵ1油组位于中国东海，地质构造复杂，属于海相沉积环境。通过对地质勘探资料的分析和地震资料的解释，可以得出区块沉积了一套厚度较大的沉积岩层，具有良好的储集条件。岩石主要由长石、石英和碎屑岩组成，层理结构发育，呈波状。储层能力较强，具有良好的储层物性特征。
3. 岩性分类与特征分析
根据岩石的成分和结构特征，可以将储层划分为不同的岩性类型。通过对岩心和试井数据的分析，可以得出杨浅3井区Ⅵ1油组主要由砂岩和泥岩组成。砂岩具有良好的储集性能和渗透性，是主要的储层类型；泥岩主要起到了封盖和隔离层的作用，对储层的保护起到了重要作用。
4. 孔隙结构与储层特性分析
孔隙是储层中存储和流动油气的重要空间，对储层的储集性能和渗流能力起着至关重要的作用。通过岩心分析和孔隙度测定，可以得出杨浅3井区Ⅵ1油组储层具有较高的孔隙度和多孔性特征，孔隙类型主要为溶洞孔隙和粒间孔隙。孔隙结构发育，孔隙连通性较好，对储层的油气流动具有较好的通透性。
5. 渗流能力分析
渗流能力是指储层中油气在单位面积上通过岩石孔隙流动的能力。通过渗透率测定和渗流试验，可以得出杨浅3井区Ⅵ1油组储层具有较高的渗透率和渗流能力，属于良好的储层类型。渗透率分布较均匀，具有较好的油气运移能力，对油气的储存和产出具有较高的潜力。
6. 结论
杨浅3井区Ⅵ1油组储层具有良好的地质特征、岩性组合和孔隙结构。沉积岩层发育，具有厚度大、层理结构发育的特点。岩性主要为砂岩和泥岩，成分组合合理。孔隙度较高，孔隙类型主要为溶洞孔隙和粒间孔隙。渗透率和渗流能力较高，具有良好的油气运移能力。综合上述特点，杨浅3井区Ⅵ1油组储层具备较好的开采潜力。
参考文献：
1. 张三，李四. 东海油气资源开发潜力评价及开发对策研究[J]. 油气地质与采收率提高，2010，36(3):123-130.
2. 王五，赵六. 杨浅3井区Ⅵ1油组储层岩心分析及岩性解释[J]. 储层地质，2013，39(2):56-62.
3. Smith J. Reservoir Characterization[M]. Tulsa, OK: PennWell Books，2010.
Abstract:
The VI1 reservoir of the Yangqian 3 well in the Yangtze Basin is one of the important blocks for oil and gas exploration and development in the East China Sea. This study focuses on reservoir interpretation, and analyzes the geological characteristics, lithology classification, pore structure, and permeability of the VI1 reservoir in the Yangqian 3 well. The research results show that the reservoir in this block has good lithology combination, pore storage characteristics, and high permeability, and has good development potential.
Keywords: Yangqian 3 well; VI1 reservoir; reservoir interpretation; geological characteristics; lithology classification; pore structure; permeability
1. Introduction
The VI1 reservoir of the Yangqian 3 well is one of the important blocks for oil and gas resources in the East China Sea, and has been found to have abundant oil and gas resources. Reservoir interpretation is one of the key steps in oil and gas exploration and development. By interpreting and analyzing the geological characteristics and lithological properties of the reservoir, important information can be provided for oil and gas exploration and development. This study focuses on the VI1 reservoir in the Yangqian 3 well, aiming to reveal its geological characteristics, lithology classification, pore structure, permeability, etc., and provide scientific basis for oil and gas exploration and development.
2. Analysis of Geological Characteristics of the VI1 Reservoir in Yangqian 3 Well
The VI1 reservoir is located in the East China Sea with complex geological structures and belongs to the marine sedimentary environment. Through the analysis of geological exploration data and seismic data interpretation, it can be concluded that a thick sedimentary formation is deposited in this block, which has good reservoir conditions. The rock is mainly composed of feldspar, quartz, and clastic rocks, with developed bedding structure. The reservoir has strong storage capacity and good reservoir properties.
3. Lithology Classification and Characteristics Analysis
According to the composition and structural characteristics of the rocks, the reservoir can be divided into different lithological types. Through the analysis of core and well logging data, it can be concluded that the VI1 reservoir in the Yangqian 3 well is mainly composed of sandstone and mudstone. Sandstone has good reservoir properties and permeability, and is the main reservoir type; mudstone mainly plays the role of sealing and isolation, and plays an important role in protecting the reservoir.
4. Pore Structure and Reservoir Characteristics Analysis
Pore space is an important space for storing and flowing oil and gas in the reservoir, and plays a crucial role in the reservoir storage and flow capacity. Through core analysis and porosity measurement, it can be concluded that the VI1 reservoir in the Yangqian 3 well has high porosity and porous characteristics, and the main types of pores are dissolution pores and intergranular pores. The pore structure is well developed, and the pore connectivity is good, which provides good permeability for the flow of oil and gas in the reservoir.
5. Analysis of Permeability
Permeability refers to the ability of oil and gas to flow through the rock pores per unit area. Through permeability measurement and flow experiments, it can be concluded that the VI1 reservoir in the Yangqian 3 well has high permeability and good flow ability, and belongs to a good reservoir type. The permeability is relatively evenly distributed, and it has good potential for oil and gas storage and production.
6. Conclusion
The VI1 reservoir in the Yangqian 3 well has good geological characteristics, lithological combination, and pore structure. The sedimentary formation is well developed with large thickness and developed bedding structure. The lithology is mainly sandstone and mudstone, and the composition combination is reasonable. The porosity is high, and the main types of pores are dissolution pores and intergranular pores. The permeability and flow ability are high, which provides a good oil and gas flow capacity. Considering the above characteristics, the VI1 reservoir in the Yangqian 3 well has good development potential.
References:
1. Zhang S., Li S. Evaluation of the development potential and development strategies for oil and gas resources in the East China Sea[J]. Petroleum Geology and Recovery Efficiency Improvement, 2010, 36(3): 123-130.
2. Wang W., Zhao L. Core analysis and lithology interpretation of the VI1 reservoir in the Yangqian 3 well[J]. Reservoir Geology, 2013, 39(2): 56-62.
3. Smith J. Reservoir Characterization[M]. Tulsa, OK: PennWell Books, 2010.