应用水平井资料开展精细油藏建模及剩余油分布研究
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摘要
以高尚堡油田高104-5区块馆陶组8#小层水平井开发油藏为例,分析水平井钻井资料、地震资料等各种基础信息的地质意义并加以综合利用,在单砂体内部开展沉积旋回精细划分对比的基础上,采用目前流行的相控随机建模技术建立了水平井目的层单一目标砂体高精度地质模型。在此基础上,开展精细油藏数值模拟研究,建立油藏动态模型,进而通过历史拟合以及动态方法对静态模型进行验证,经验证,所建立的地质模型具有较高的精确度,能够满足进一步开展研究工作的需要,并以此为基础对水平井开发状况、含水特征、见水规律以及剩余油分布特征等问题进行研究和评价。图11参10
The horizontal well-produced oil reservoir was taken as an example in No.8 substratum of the Guantao Formation,block Gao 104-5,Gaoshangpu Oilfield.Horizontal well drilling data,seismic data and other fundamental information,combined with the fine internal division and correlation of sedimentary cycles in a single sandbody,were used to establish a single-sandbody high-precision geological model for the target zone of horizontal well,with the currently popular phased stochastic modeling technology.On this basis,we carried out detailed reservoir numerical simulation and established a dynamic reservoir model,then verified the static model with history matching and dynamic method.The geological model has high accuracy,and meets the demand of further research.With the modified model,we researched and evaluated the development status of the horizontal wells,the characteristics and trend of water cut and the distribution characteristics of remaining oil.
The horizontal well-produced oil reservoir was taken as an example in No.8 substratum of the Guantao Formation,block Gao 104-5,Gaoshangpu Oilfield.Horizontal well drilling data,seismic data and other fundamental information,combined with the fine internal division and correlation of sedimentary cycles in a single sandbody,were used to establish a single-sandbody high-precision geological model for the target zone of horizontal well,with the currently popular phased stochastic modeling technology.On this basis,we carried out detailed reservoir numerical simulation and established a dynamic reservoir model,then verified the static model with history matching and dynamic method.The geological model has high accuracy,and meets the demand of further research.With the modified model,we researched and evaluated the development status of the horizontal wells,the characteristics and trend of water cut and the distribution characteristics of remaining oil.
引文
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[2]常学军,郝建明,廖保方,等.冀东油田复杂断块油藏精细描述与水平井开发实践[R].唐山:中国石油冀东油田公司,2004.Chang Xuejun,Hao Jianming,Liao Baofang,et al.Finedescription and Horizontal well development technique and itspractice for complex fault-block reservoirs in Jidong Oilfield[R].Tangshan:Jidong Oilfield Company,2004.
[3]王学忠,曾流芳.孤东油田挖潜剩余油实用技术应用效果评价[J].石油勘探与开发,2008,35(4):467-475.Wang Xuezhong,Zeng Liufang.Effect of practical techniques inproducing remaining oil in Gudong Oilfield[J].PetroleumExploration and Development,2008,35(4):467-475.
[4]杨辉廷,颜其彬,李敏.油藏描述中的储层建模技术[J].天然气勘探与开发,2004,27(3):45-49.Yang Huiting,Yan Qibin,Li Min.Reservoir modeling techniquein pool description[J].Natural Gas Exploration&Development,2004,27(3):45-49.
[5]贾爱林,郭建林,何东博.精细油藏描述技术与发展方向[J].石油勘探与开发,2007,34(6):691-695.Jia Ailin,Guo Jianlin,He Dongbo.Perspective of development indetailed reservoir description[J].Petroleum Exploration andDevelopment,2007,34(6):691-695.
[6]张淑娟,邵龙义,宋杰,等.相控建模技术在阿南油田阿11断块中的应用[J].石油勘探与开发,2008,35(3):355-361.Zhang Shujuan,Shao Longyi,Song jie,et al.Application offacies-controlled modeling technology to the fault-block A11 inA’nan Oilfield[J].Petroleum Exploration and Development,2008,35(3):355-361.
[7]任殿星,李凡华,李保柱.多条件约束油藏地质建模技术[J].石油勘探与开发,2008,35(2):205-214.Ren Dianxing,Li Fanhua,Li Baozhu.Geomodeling technologyunder multifactor control[J].Petroleum Exploration andDevelopment,2008,35(2):205-214.
[8]尹艳树,吴胜和.储层随机建模研究进展[J].天然气地球科学,2006,17(2):210-216.Yin Yanshu,Wu Shenghe.The progress of reservoir stochasticmodeling[J].Natural Gas Geoscience,2006,17(2):210-216.
[9]彭仕宓,周恒涛,李海燕,等.分阶段流动单元模型的建立及剩余油预测——以别古庄油田京11断块为例[J].石油勘探与开发,2007,34(2):216-221,251.Peng Shi mi,Zhou Hengtao,Li Haiyan,et al.Phased flow unitmodel establishment and remaining oil prediction:An examplefrom Jing 11 block in Bieguzhuang Oilfield[J].PetroleumExploration and Development,2007,34(2):216-221,251.
[10]汪中浩,易觉非,赵乾富,等.水平井测井资料地质解释应用[J].江汉石油学院学报,2004,26(3):70-72.Wang Zhonghao,Yi Juefei,Zhao Qianfu,et al.Application ofgeologic interpretation of horizontal well logging data[J].Journalof Jianghan PetroleumInstitute,2004,26(3):70-72.
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