双河油田核三段Ⅲ油组储层非均质性研究
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摘要
本文综合运用现代沉积学理论,在对双河油田扇三角洲前缘沉积微相特征研究的基础上,利用测井以及岩心分析等资料,对双河油田核三段Ⅲ油组储层微观非均质性、层内非均质性、层间非均质性以及平面非均质性特征进行研究。
储层微观非均质性研究,通过镜下观察分析碎屑颗粒成分、确定了孔隙、喉道的大小、分布、配置及连通性,以及岩石的组分、颗粒排列方式、基质含量及胶结物的类型等来说明储集层微相的非均质性。
层内非均质性研究,根据储层岩性及电性特征,将层内夹层划分为三类,统计单砂层内夹层的个数、累积夹层厚度、夹层频率及夹层密度,根据夹层在不同沉积微相砂体内的频率及密度,总结夹层分布特征。并通过不同沉积韵律类型分级及计算砂层内渗透率的变异系数、突进系数以及级差来说明储层的非均质特征。
层间非均质性研究,通过分层系数、砂岩密度及重叠系数来描述砂层的发育与分布;采用典型曲线对比法来确定隔层岩性及其厚度并总结隔层的分布特征。
砂体的平面非均质性,根据不同沉积微相砂体统计其几何形态参数;根据每口井的测井解释资料得到了一组反映储层特征在平面上变化的参数,其中包括储层厚度分布、孔隙度以及渗透率,并且成图。根据不同沉积微相砂体内单砂体的发育情况及发育特征总结单砂体在沉积微相控制下在平面上的分布规律。选取具有典型特征的联井剖面,进行剖面相分析,恢复古沉积环境,确定了沉积环境在时间、空间的演化规律,指导了物源的分析。并根据每口井的测井资料,对储层进行了各参数的处理,而后,根据克里金插值法对井间进行插值,得到了一组反映储层特征在平面上变化的参数图,包括储层厚度分布、孔隙度以及渗透率的平面展布,总结单砂体平面分布及连通规律。
基于以上研究,评价储层的非均质性,对油田开发调整具有较高的参考价值。
This article synthesis using modern sedimentology theory,based on the research in deposits in the micro characteristic of the double river oil field fan delta front,using the material about oil well logging and core analysis,to do the research about reservoir microscopic heterogeneity,the level heterogeneity,the level heterogeneity as well as the plane anisotropic characteristic of double river oil field nucleus three sectionsⅢin oil line。
The reservoir microscopic heterogeneity research,observed the analysis detritus pellet ingredient through the mirror,to determine the hole,throat's size,the distribution,the disposition and the connectivity and the rock component,the pellet arrangement way,the matrix content and agglutinated the type and so on , to show the reservoir micro heterogeneity。
In the level the anisotropic research,according to the reservoir lithological character and the electrical characteristic,to divide the level in the band three kinds,to count in the single sand body the band integer,to accumulate band thickness,the band frequency and the band density,according to the band the micro granulated substance in vivo frequency and the density,to summarize the band distributed characteristic。Then explain the reservoir the non-isotropic characteristic through in the different rhythm of sedimentation type graduation and the computation sand body the penetration coefficient coefficient of variation,the advance coefficient as well as the grading。
The level the anisotropic research,basing on the lamination factor,the sandstone density and the overlap coefficient describes the sand body growth and the distribution;using the master curve correlation method to determine that the insulation lithological character and thickness and summarize the insulation distributed characteristic。
Granulated substance body's plane heterogeneity,according to deposits the micro granulated substance body to count its geometry shape parameter differently;according to each well's well logging interpretation material to obtain a group to reflection that the reservoir characteristic the parameter which changed in the plane,including the reservoir thickness distribution,the porosity as well as the penetration coefficient,and became the chart。According to deposits differently the micro granulated substance in vivo Shan Shati growth situation and the growth characteristic total invoice granulated substance body to summary the deposits micro controls in the plane distributed rule。Selecting the typical characteristic joint well section plane,analyzing the section plane,restoring the old extensively the environment of deposition,to determine the environment of deposition in the time,the spatial evolved rule and instruct the source analysis。And according to each well the log information,to process various parameters of the reservoir。Then,carries on the interpolation according to the gram Riggin interpolation to the well,to obtain a group to reflect that the reservoir characteristic the parameter chart which changed in the plane,including reservoir thickness distribution,porosity as well as penetration coefficient plane mop,total invoice granulated substance body plane distribution and link rule。
Based on the above research,appraisal reservoir's heterogeneity has the high reference value to the oil-field development adjustment。
储层微观非均质性研究,通过镜下观察分析碎屑颗粒成分、确定了孔隙、喉道的大小、分布、配置及连通性,以及岩石的组分、颗粒排列方式、基质含量及胶结物的类型等来说明储集层微相的非均质性。
层内非均质性研究,根据储层岩性及电性特征,将层内夹层划分为三类,统计单砂层内夹层的个数、累积夹层厚度、夹层频率及夹层密度,根据夹层在不同沉积微相砂体内的频率及密度,总结夹层分布特征。并通过不同沉积韵律类型分级及计算砂层内渗透率的变异系数、突进系数以及级差来说明储层的非均质特征。
层间非均质性研究,通过分层系数、砂岩密度及重叠系数来描述砂层的发育与分布;采用典型曲线对比法来确定隔层岩性及其厚度并总结隔层的分布特征。
砂体的平面非均质性,根据不同沉积微相砂体统计其几何形态参数;根据每口井的测井解释资料得到了一组反映储层特征在平面上变化的参数,其中包括储层厚度分布、孔隙度以及渗透率,并且成图。根据不同沉积微相砂体内单砂体的发育情况及发育特征总结单砂体在沉积微相控制下在平面上的分布规律。选取具有典型特征的联井剖面,进行剖面相分析,恢复古沉积环境,确定了沉积环境在时间、空间的演化规律,指导了物源的分析。并根据每口井的测井资料,对储层进行了各参数的处理,而后,根据克里金插值法对井间进行插值,得到了一组反映储层特征在平面上变化的参数图,包括储层厚度分布、孔隙度以及渗透率的平面展布,总结单砂体平面分布及连通规律。
基于以上研究,评价储层的非均质性,对油田开发调整具有较高的参考价值。
This article synthesis using modern sedimentology theory,based on the research in deposits in the micro characteristic of the double river oil field fan delta front,using the material about oil well logging and core analysis,to do the research about reservoir microscopic heterogeneity,the level heterogeneity,the level heterogeneity as well as the plane anisotropic characteristic of double river oil field nucleus three sectionsⅢin oil line。
The reservoir microscopic heterogeneity research,observed the analysis detritus pellet ingredient through the mirror,to determine the hole,throat's size,the distribution,the disposition and the connectivity and the rock component,the pellet arrangement way,the matrix content and agglutinated the type and so on , to show the reservoir micro heterogeneity。
In the level the anisotropic research,according to the reservoir lithological character and the electrical characteristic,to divide the level in the band three kinds,to count in the single sand body the band integer,to accumulate band thickness,the band frequency and the band density,according to the band the micro granulated substance in vivo frequency and the density,to summarize the band distributed characteristic。Then explain the reservoir the non-isotropic characteristic through in the different rhythm of sedimentation type graduation and the computation sand body the penetration coefficient coefficient of variation,the advance coefficient as well as the grading。
The level the anisotropic research,basing on the lamination factor,the sandstone density and the overlap coefficient describes the sand body growth and the distribution;using the master curve correlation method to determine that the insulation lithological character and thickness and summarize the insulation distributed characteristic。
Granulated substance body's plane heterogeneity,according to deposits the micro granulated substance body to count its geometry shape parameter differently;according to each well's well logging interpretation material to obtain a group to reflection that the reservoir characteristic the parameter which changed in the plane,including the reservoir thickness distribution,the porosity as well as the penetration coefficient,and became the chart。According to deposits differently the micro granulated substance in vivo Shan Shati growth situation and the growth characteristic total invoice granulated substance body to summary the deposits micro controls in the plane distributed rule。Selecting the typical characteristic joint well section plane,analyzing the section plane,restoring the old extensively the environment of deposition,to determine the environment of deposition in the time,the spatial evolved rule and instruct the source analysis。And according to each well the log information,to process various parameters of the reservoir。Then,carries on the interpolation according to the gram Riggin interpolation to the well,to obtain a group to reflect that the reservoir characteristic the parameter chart which changed in the plane,including reservoir thickness distribution,porosity as well as penetration coefficient plane mop,total invoice granulated substance body plane distribution and link rule。
Based on the above research,appraisal reservoir's heterogeneity has the high reference value to the oil-field development adjustment。
引文
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[17]陈春强、樊太亮、吴丽艳.扇三角洲沉积微相特征与储集层“四性”的关系[J].石油天然气学报,2005,27(4):545-549.
[18]张尚锋、张昌民等.双河油田核三段油层组内夹层分布规律[J].沉积与特提斯地质,2000,22(4):71-74.
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[21]郭平,冉新权.剩余油分布研究方法[M].北京:石油工业出版社,2004.
[22]王洪辉.河南双河油123层系剩余油分布规律研究[J].矿物岩石,2000,20(2):74-781.
[23]陈程,王秀兰.双河油田储层渗流单元分析及应用[J].河南石油,2001,15(1):15-181.
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[25]邸世详,吴频,李建武.双河油田核桃园组三段储层孔隙结构特征[J].石油与天然气地质,1984,5(3):58-59.
[26]姜乃煌,贾风英.泌阳凹陷三种原油的油源及其运移特征[J].石油与天然气地质,1986,7(1):34-35.
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[28]贺承祖,华明琪.储层孔隙结构的分形几何描述[J].石油与天然气地质,1998,19(1):15-23.
[29]纪法华,张一伟.分形几何学在储层非均质性描述中的应用[J].石油大学学报,1994,18(5):161-168.
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[2]陈程、孙义梅.油田开发后期扇三角洲前缘微相分析与应用[J].现代地质,2000,15(1):88-93.
[3]陈程,敬国超.沉积能量单元分析法及应用[J].河南石油,1997,15(1):1-4.
[4]朱水安,陈子琪,王寿庆等.泌阳凹陷双河水下冲积扇的沉积特征[J].石油学报,183,4(1):25-33.
[5]胡受权,郭文平,邵荣松.南襄盆地泌阳断陷第三纪湖泊演化探讨[J].石油学报,2001,22(5):23-28.
[6]吴胜和,熊琦华等.油气储层地质学[M].北京:石油工业出版社,1998.155-172.
[7]邱荣华,李纯菊,郭双亭.泌阳凹陷三类三角洲沉积特征及储集性能[J].石油勘探与开发,1994,21(1):99-105.
[8]陈春强,张亚中,吴丽艳等.安棚油田扇三角洲沉积微相特征与油气分布[J].新疆石油地质, 2005, 26(5): 529-532.
[9]李斌,孟自芳,李相博等.泌阳凹陷下第三系构造特征与沉积体系[J].吉林大学学报(地球科学版),2005,35(3):332-339.
[10]敬国超,陈程.高含水后期双河油田开发地质工作方向[J].河南石油,2005,19(3):20-23.
[11]刘泽容等.油藏描述原理与方法技术[M] .北京:石油工业出版社,1993.56-63.
[12]裘怿楠、薛叔浩、应凤祥.中国陆相油气储集层[M].北京:石油工业出版社,1997,309-329.
[13]赵翰卿.高分辨率层序地层对比与我国的小层对比[J].大庆石油地质与开发,2005,2:5-124.
[14]裘亦楠.开发地质方法论[J].石油勘探与开发,1996,23(2):43-47.
[15]陈春强,张亚中,吴丽艳等.安棚油田扇三角洲沉积微相特征与油气分布[J].新疆石油地质,2005,26(5): 529-532.
[16]赵澄林.沉积学原理[M].北京:石油工业出版社,2001:56-72.
[17]陈春强、樊太亮、吴丽艳.扇三角洲沉积微相特征与储集层“四性”的关系[J].石油天然气学报,2005,27(4):545-549.
[18]张尚锋、张昌民等.双河油田核三段油层组内夹层分布规律[J].沉积与特提斯地质,2000,22(4):71-74.
[19]赵霞飞.河流相模式与储层非均质性[J].成都理工学院学报,1999.
[20]赵春森等.油藏非均质性的定量描述方法[J].石油学报,1999.
[21]郭平,冉新权.剩余油分布研究方法[M].北京:石油工业出版社,2004.
[22]王洪辉.河南双河油123层系剩余油分布规律研究[J].矿物岩石,2000,20(2):74-781.
[23]陈程,王秀兰.双河油田储层渗流单元分析及应用[J].河南石油,2001,15(1):15-181.
[24]邸世祥等著.中国碎屑岩储集层的孔隙结构[M].西北大学出版社,1991.
[25]邸世详,吴频,李建武.双河油田核桃园组三段储层孔隙结构特征[J].石油与天然气地质,1984,5(3):58-59.
[26]姜乃煌,贾风英.泌阳凹陷三种原油的油源及其运移特征[J].石油与天然气地质,1986,7(1):34-35.
[27]杨少春.北堡油田中区东营组储层非均质性研究[J].南京大学高效地质学报,1998,4(3):331-337.
[28]贺承祖,华明琪.储层孔隙结构的分形几何描述[J].石油与天然气地质,1998,19(1):15-23.
[29]纪法华,张一伟.分形几何学在储层非均质性描述中的应用[J].石油大学学报,1994,18(5):161-168.
[30]李纯菊.泌阳断陷湖盆中的洪水浊流沉积[A].碎屑岩沉积相研究[C].北京:石油工业出版社,1988,125-135.
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