川中油田侏罗系大安寨段致密油储层测井综合评价

发布时间：2018-07-07 10:35

本文选题：川中地区 + 大安寨段　；参考：《西南石油大学》2016年硕士论文

【摘要】：根据前期研究结果表明,川中地区有非常丰富的油气资源,其中大安寨段和凉高山段油气资源量就达到10亿吨之上,由此充分反映了川中地区侏罗系致密油目前仍然存在较大的勘探开发潜力。目前川中油田面临原油开发和稳产难度大的严峻形势,为了确保产量稳产增产,急需探寻新的有利区块。这就要求通过深入的地质认识,为川中油田下一步致密油勘探和开发井位部署提供可靠的地质依据。本论文以沉积岩石学、储层地质学、地球物理测井以及国内外最新研究进展为理论指导,以岩心、地质薄片和测井资料为主要研究对象,采用宏观分析与微观分析相结合、测井技术手段和地质学相结合的研究方法,结合前人的研究结果,对川中油田大安寨段致密油储层的岩性、物性、电性、含油气性、裂缝、有机碳含量(TOC)等进入了深入研究。论文利用川中地区大安寨段井的钻井、测井、录井、试油、试采、生产动态等基础资料,在区域已有研究成果的基础上,开展了大安寨段地层及储层四性关系分析,裂缝分析、烃源条件分析。研究认为大安寨段为源储一体的原生油藏,大安寨段内大面积发育的介壳灰岩是较好的储层岩性、储层非均质性强、物性差、致密,具有大面积含油的宏观特征,裂缝的发育为储层产能提供了贡献。川中油田烃源岩在1%～2%之间,具有较高的成熟度,未来油气勘探潜力巨大。
[Abstract]:According to the previous research results, there are abundant oil and gas resources in the central Sichuan area, in which the oil and gas resources of the Da'anzhai section and the Liangshan section amount to more than 1 billion tons. This fully reflects that there is still great potential for exploration and development of Jurassic dense oil in central Sichuan. At present, the central Sichuan oil field is faced with the severe situation that crude oil development and stable production are very difficult. In order to ensure stable production and increase production, it is urgent to explore new favorable blocks. Therefore, it is necessary to provide reliable geological basis for the next tight oil exploration and development well location deployment in Chuanzhong Oilfield through in-depth geological understanding. This paper takes sedimentary petrology, reservoir geology, geophysical logging and the latest research progress at home and abroad as the theoretical guidance, taking core, geological sheet and logging data as the main research object, combining macro analysis with micro analysis. Combined with the research methods of logging technique and geology, combined with the results of previous studies, the lithology, physical properties, electrical properties, oil and gas properties, fractures and organic carbon content (TOC) of tight oil reservoirs in Da'anzhai formation of Central Sichuan Oilfield have been deeply studied. On the basis of the basic data of drilling, logging, oil testing, production test and production performance in Da-anzhai section in central Sichuan, and based on the existing research results in the region, the paper has carried out the analysis of the four properties of formation and reservoir and fracture analysis in Da-anzhai section. Analysis of hydrocarbon source conditions. It is considered that the large area developed in the Daanzhai formation is a good reservoir lithology, the reservoir heterogeneity is strong, the physical property is poor, and the reservoir is dense and has the macroscopic characteristics of large area oil content. The development of fractures contributes to reservoir productivity. The source rocks in the central Sichuan oilfield range from 1% to 2%, with high maturity and great potential for oil and gas exploration in the future.
【学位授予单位】：西南石油大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：P618.13;P631.81

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