埕北30太古宇裂缝性潜山油藏孔渗参数模型
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摘要
为了建立裂缝性潜山油藏的孔渗参数模型,选取核磁共振测井、密度测井和声波测井资料约束Elanplus软件解释井剖面各点的总孔隙度和裂缝系统渗透率,利用井点孔渗物性与声波测井速度资料回归了声波测井速度、声波时差与孔隙度、渗透率的关系式。利用三维地震反演和相干分析得到的三维速度数据体,求取了埕北30太古宇潜山油藏孔渗物性的三维分布。在建立裂缝系统径向、主裂缝方向、次裂缝方向和垂向渗透率之间相关关系模型的基础上,结合应力场数值模拟求得的裂缝走向,预测了裂缝系统渗透率的三维空间各向异性分布,建立了裂缝性潜山油藏的孔渗参数模型。
For establishing a model of porosity and permeability of fractured and buried hill reservoir,gross porosity and permeability in fracture system of each point on the software Elanplus interpretation well profile are restrained by the data of nuclear magnetic resonance log, density logging and acoustic logging. Relational expression of velocity of acoustic log and interval transit time with porosity and permeability is regressed using the data of porosity and permeability of well point and the velocity of acoustic log. 3D distribution of porosity and permeability of Archaeozoic buried hill reservoirs in Chengbei30 is predicted by 3D velocity data volume gained from 3D seismic inversion and coherent analysis. Furthermore, based on establishing the model among vertical permeability and radial and main fractures and sub - fracture directions of the fracture system,3D anisotropic permeability distribution of the fracture system is predicted combined with the fracture trend calculated by stress field numerical simulation. By doing these mentioned above, the author established a 3D distribution model of porosity and permeability of the fractured buried hill reservoir.
For establishing a model of porosity and permeability of fractured and buried hill reservoir,gross porosity and permeability in fracture system of each point on the software Elanplus interpretation well profile are restrained by the data of nuclear magnetic resonance log, density logging and acoustic logging. Relational expression of velocity of acoustic log and interval transit time with porosity and permeability is regressed using the data of porosity and permeability of well point and the velocity of acoustic log. 3D distribution of porosity and permeability of Archaeozoic buried hill reservoirs in Chengbei30 is predicted by 3D velocity data volume gained from 3D seismic inversion and coherent analysis. Furthermore, based on establishing the model among vertical permeability and radial and main fractures and sub - fracture directions of the fracture system,3D anisotropic permeability distribution of the fracture system is predicted combined with the fracture trend calculated by stress field numerical simulation. By doing these mentioned above, the author established a 3D distribution model of porosity and permeability of the fractured buried hill reservoir.
引文
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[2]柏松章,唐飞.裂缝性潜山基岩油藏开发模式[M].北京:石油工业出版社,1997.
[3]揭克常.东胜堡变质岩油藏[M].北京:石油工业出版社,1997.
[4]王华芬,屈中英.王庄变质岩油藏[M].北京:石油工业出版社,1997.
[5]Saidi A M.Reservoir engineering of fractured reservoirs[M].Par-is:Total Edition,Prerre,1987.
[6]王允诚.油气储层评价[M].北京:石油工业出版社,1999.
[7]孔凡仙,林会喜.埕岛地区潜山油气藏特征[J].成都理工学院学报,2000,27(2):116-122.
[8]段勇,编译.特殊岩心分析技术[M].北京:石油工业出版社,1993.
[9]Van Golf-Racht T D.Fundamentals of fractured reservoir engi-neering[M].New York:Elsevier Scientific Publishing Company,1982.
[10]纳尔逊R A.天然裂缝性储集层地质分析[M].柳广第,朱筱敏,译.北京:石油工业出版社,1991.
[11]周英杰,张敬轩,杜玉山,等.埕北30潜山岩心裂缝的分维数及与裂缝密度的关系[J].油气地质与采收率,2004,11(3):19-21.
[12]王端平,张敬轩.胜利油区埕北30潜山储集性裂缝预测方法[J].石油实验地质,2000,22(3):250-255.
[13]史建忠,张玲.埕岛油田埕北30潜山复杂岩性储层测井定量评价[J].测井技术,2000,24(5):328-332.
[14]谭廷栋.裂缝性油气藏测井解释模型与评价方法[M].北京:石油工业出版社,1987.
[15]欧阳健.测井技术在裂缝性碳酸盐岩油气勘探中的应用[M].北京:石油工业出版社,1991.
[16]陈钢花,毛克宇.利用地层微电阻率成像测井识别裂缝[J].测井技术,1999,23(4):279-281,298.
[17]李友全.试井技术在潜山油藏评价中的应用[J].油气地质与采收率,2004,11(4):75-77.
[18]王军,张强.埕北30潜山太古宇储集体预测[J].石油勘探与开发,2003,30(1):57-59.
[19]周英杰,武强,张敬轩,等.胜利油田埕北30潜山裂缝性油藏裂缝发育分布预测研究[J].中国矿业大学学报,2004,33(4):433-437.
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