数字化精细油藏描述程序方法
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摘要
针对油田开发中后期油藏描述实现精细化、数字化和一体化问题,在明确数字化精细油藏描述含义的基础上,建立一套数字化精细油藏描述程序方法,包括8个步骤:①沉积背景、沉积环境分析;②等时地层格架与精细构造研究;③细分沉积微相,识别成因单元砂体,确定砂体空间展布形态、叠置模式,建立储集层沉积模型;④确定成因单元砂体规模、发育频率等参数,建立原型模型地质知识库,为井间砂体预测提供定量参数;⑤沉积模式与砂体分布控制的高分辨率地震储集层预测;⑥综合建立砂体成因单元构型模型;⑦储集层物性参数与流体分布规律评价;⑧综合一体化、三维可视化建立储集层地质模型,预测剩余油分布。同时,规范了每一步骤的重点研究内容及关键技术,为数字化精细油藏描述的实现乃至数字油藏的建设提供参考。图4表1参19
To solve the problem of realizing detailed,digital and integrative reservoir characterization in the mid-late stage of oilfield development,a set of digital methods of detailed reservoir characterization is established on the basis of specifying the definition of digital detailed reservoir characterization.The methods contain eight steps:(1) the analysis of sedimentation background and environment,(2) the study of isochronous stratigraphic framework and detailed structure model,(3) the establishment of reservoir sedimentation model by identifying microfacies,genetic sand units,sand shape and superimposition pattern,(4) the establishment of prototype model geological database by determining such parameters as the size and development frequency of genetic sand units to provide quantitative parameters for sandbody prediction between wells,(5) high precision seismic reservoir prediction under the control of sand body sedimentary model,(6) the establishment of the architecture model of genetic sand unit,(7) the analysis of physical parameters of reservoir and the distribution of fluids in reservoir,(8) integrative and 3D-visualized reservoir modeling and remaining oil prediction.Meanwhile,the core problem and key technology in each step is specified.The methods can provide reference to realize the digital detailed reservoir characterization and even the construction of digital reservoir.
To solve the problem of realizing detailed,digital and integrative reservoir characterization in the mid-late stage of oilfield development,a set of digital methods of detailed reservoir characterization is established on the basis of specifying the definition of digital detailed reservoir characterization.The methods contain eight steps:(1) the analysis of sedimentation background and environment,(2) the study of isochronous stratigraphic framework and detailed structure model,(3) the establishment of reservoir sedimentation model by identifying microfacies,genetic sand units,sand shape and superimposition pattern,(4) the establishment of prototype model geological database by determining such parameters as the size and development frequency of genetic sand units to provide quantitative parameters for sandbody prediction between wells,(5) high precision seismic reservoir prediction under the control of sand body sedimentary model,(6) the establishment of the architecture model of genetic sand unit,(7) the analysis of physical parameters of reservoir and the distribution of fluids in reservoir,(8) integrative and 3D-visualized reservoir modeling and remaining oil prediction.Meanwhile,the core problem and key technology in each step is specified.The methods can provide reference to realize the digital detailed reservoir characterization and even the construction of digital reservoir.
引文
[1]黄昌武.数字油田成功的关键[J].石油勘探与开发,2008,35(4):436.Huang Changwu.Key factors to the success of digital oilfieldprogram[J].Petroleum Exploration and Development,2008,35(4):436.
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[11]张昌民.储层研究中的层次分析法[J].石油与天然气地质,1992,13(3):344-350.Zhang Changmin.Hierarchy analysis in reservoir researches[J].Oil&Gas Geology,1992,13(3):344-350.
[12]尹太举,张昌民,汤军,等.马厂油田储层层次结构分析[J].江汉石油学院学报,2001,23(4):19-21.Yin Taiju,Zhang Changmin,Tang Jun,et al.Analysis onreservoir hierarchical structure in Machang Oilfield[J].Journal ofJianghan Petroleum Institute,2001,23(4):19-21.
[13]尹太举,张昌民,樊中海,等.地下储层建筑结构预测模型的建立[J].西安石油学院学报(自然科学版),2002,17(3):7-10,14.Yin Taiju,Zhang Changmin,Fan Zhonghai,et al.Establishmentof the prediction models of reservoir architectural elements[J].Journal of Xi’an Petroleum Institute(Natural Science Edition),2002,17(3):7-10,14.
[14]何文祥,吴胜和,唐义疆,等.地下点坝砂体内部构型分析——以孤岛油田为例[J].矿物岩石,2005,25(2):81-86.He Wenxiang,Wu Shenghe,Tang Yijiang,et al.Thearchitecture analysis of the underground point bar—Taking GudaoOilfield as an example[J].Journal of Mineralogy and Petrology,2005,25(2):81-86.
[15]何文祥,吴胜和,唐义疆,等.河口坝砂体构型精细解剖[J].石油勘探与开发,2005,32(5):42-46.He Wenxiang,Wu Shenghe,Tang Yijiang,et al.Detailedarchitecture analysis of debouch bar in Shengtuo oilfield,JiyangDepression[J].Petroleum Exploration and Development,2005,32(5):42-46.
[16]廖光明.范庄油田阜宁组沉积体系及砂体建筑结构分析[J].西南石油学院学报,2006,28(2):4-7.Liao Guangming.Analysis on sedimentology system and reservoirarchitecture of delta-shallow lake facies of Fanzhuang in Jinhudepression[J].Journal of Southwest Petroleum Institute,2006,28(2):4-7.
[17]岳大力,吴胜和,谭河清,等.曲流河古河道储层构型精细解剖——以孤东油田七区西馆陶组为例[J].地学前缘,2008,15(1):101-109.Yue Dali,Wu Shenghe,Tan Heqing,et al.An anatomy ofpaleochannel reservoir architecture of meandering river reservoir—Acase study of Guantao formation,the west 7th block of Gudong oilfield[J].Earth Science Frontiers,2008,15(1):101-109.
[18]Jiang Xiangyun,Wu Shenghe,Yu Diyun,et al.Fluvial reservoirarchitecture modeling and remaining oil analysis[A].SPE109175,2007.
[19]冯其红,齐俊罗,尹晓梅,等.大孔道形成与演化过程流固耦合模拟[J].石油勘探与开发,2009,36(4):498-502,512.Feng Qihong,Qi Junluo,Yin Xiaomei,et al.Simulation of fluid-solid coupling during formation and evolution of high-permeabilitychannels[J].Petroleum Exploration and Development,2009,36(4):498-502,512.
[2]穆龙新,贾爱林,陈亮,等.储层精细研究方法——国内外露头储层和现代沉积及精细地质建模研究[M].北京:石油工业出版社,2000.Mu Longxin,Jia Ailin,Chen Liang,et al.Reservoir fine studymethod—study of outcrop reservoir,modern sedimentation and finegeological modeling[M].Beijing:Petroleum Industry Press,2000.
[3]贾爱林,何东博,何文祥,等.应用露头知识库进行油田井间储层预测[J].石油学报,2003,24(6):51-53,58.Jia Ailin,He Dongbo,He Wenxiang,et al.Application of outcropgeological knowledge database to prediction of inter-well reservoir inoilfield[J].Acta Petrolei Sinica,2003,24(6):51-53,58.
[4]郝建明,吴健,张宏伟.应用水平井资料开展精细油藏建模及剩余油分布研究[J].石油勘探与开发,2009,36(6):730-736.Hao Jianming,Wu Jian,Zhang Hongwei.Study on fine reservoirmodeling and distribution of remaining oil with data of horizontalwells[J].Petroleum Exploration and Development,2009,36(6):730-736.
[5]吴键,李凡华.三维地质建模与地震反演结合预测含油单砂体[J].石油勘探与开发,2009,36(5):623-627.Wu Jian,Li Fanhua.Prediction of oil-bearing single sandbody by3D geological modeling combined with seismic inversion[J].Petroleum Exploration and Development,2009,36(5):623-627.
[6]李建荣,王磊,王赘.开发地震的几个问题初探[J].石油物探,2003,42(2):279-284.Li Jianrong,Wang Lei,Wang Zhui.Some key problems inproduction seismology[J].Geophysical Prospecting forPetroleum,2003,42(2):279-284.
[7]Mezghani M,Fomel A,Langlais V,et al.History matching andquantitative use of 4D seismic data for an improved reservoircharacterization[A].SPE 90420,2004.
[8]Justice J H,Woerpel J C,Watts G P,et al.Interwell seismicdata for reservoir characterization[A].SPE 59695,2000.
[9]Miall A D.Architectural-element analysis:A new method offacies analysis applied to fluvial deposits[J].Earth ScienceReview,1985,22(2):261-308.
[10]贾振远,蔡忠贤.储层构型研究方法简介[J].地质科技情报,1992,11(4):63-68.Jia Zhenyuan,Cai Zhongxian.Research methods of architecture[J].Geological Science and Technology Information,1992,11(4):63-68.
[11]张昌民.储层研究中的层次分析法[J].石油与天然气地质,1992,13(3):344-350.Zhang Changmin.Hierarchy analysis in reservoir researches[J].Oil&Gas Geology,1992,13(3):344-350.
[12]尹太举,张昌民,汤军,等.马厂油田储层层次结构分析[J].江汉石油学院学报,2001,23(4):19-21.Yin Taiju,Zhang Changmin,Tang Jun,et al.Analysis onreservoir hierarchical structure in Machang Oilfield[J].Journal ofJianghan Petroleum Institute,2001,23(4):19-21.
[13]尹太举,张昌民,樊中海,等.地下储层建筑结构预测模型的建立[J].西安石油学院学报(自然科学版),2002,17(3):7-10,14.Yin Taiju,Zhang Changmin,Fan Zhonghai,et al.Establishmentof the prediction models of reservoir architectural elements[J].Journal of Xi’an Petroleum Institute(Natural Science Edition),2002,17(3):7-10,14.
[14]何文祥,吴胜和,唐义疆,等.地下点坝砂体内部构型分析——以孤岛油田为例[J].矿物岩石,2005,25(2):81-86.He Wenxiang,Wu Shenghe,Tang Yijiang,et al.Thearchitecture analysis of the underground point bar—Taking GudaoOilfield as an example[J].Journal of Mineralogy and Petrology,2005,25(2):81-86.
[15]何文祥,吴胜和,唐义疆,等.河口坝砂体构型精细解剖[J].石油勘探与开发,2005,32(5):42-46.He Wenxiang,Wu Shenghe,Tang Yijiang,et al.Detailedarchitecture analysis of debouch bar in Shengtuo oilfield,JiyangDepression[J].Petroleum Exploration and Development,2005,32(5):42-46.
[16]廖光明.范庄油田阜宁组沉积体系及砂体建筑结构分析[J].西南石油学院学报,2006,28(2):4-7.Liao Guangming.Analysis on sedimentology system and reservoirarchitecture of delta-shallow lake facies of Fanzhuang in Jinhudepression[J].Journal of Southwest Petroleum Institute,2006,28(2):4-7.
[17]岳大力,吴胜和,谭河清,等.曲流河古河道储层构型精细解剖——以孤东油田七区西馆陶组为例[J].地学前缘,2008,15(1):101-109.Yue Dali,Wu Shenghe,Tan Heqing,et al.An anatomy ofpaleochannel reservoir architecture of meandering river reservoir—Acase study of Guantao formation,the west 7th block of Gudong oilfield[J].Earth Science Frontiers,2008,15(1):101-109.
[18]Jiang Xiangyun,Wu Shenghe,Yu Diyun,et al.Fluvial reservoirarchitecture modeling and remaining oil analysis[A].SPE109175,2007.
[19]冯其红,齐俊罗,尹晓梅,等.大孔道形成与演化过程流固耦合模拟[J].石油勘探与开发,2009,36(4):498-502,512.Feng Qihong,Qi Junluo,Yin Xiaomei,et al.Simulation of fluid-solid coupling during formation and evolution of high-permeabilitychannels[J].Petroleum Exploration and Development,2009,36(4):498-502,512.
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