鄯善油田三间房组沉积特征研究
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摘要
本文通过分析研究区鄯善油田三间房组岩心、测井、生产动态等多种资料,以高分辨率层序地层学、沉积岩石学、储层地质学和测井地质学等理论为指导,对研究区的地层划分、沉积特征和沉积体系、测井相模式、储层物性、非均质性以及剩余油的分布进行了研究。
在高分辨率层序地层学理论指导下,识别了本地区的标志层,并以此为基础,根据沉积旋回,逐级控制的原则,并结合电性响应特征对三间房组进行了地层划分与对比。将三间房组划分为2个油层组、5个砂层组、18个小层、38个单砂层。结合前人研究成果,研究了区域地质背景、沉积特征、测井相特征,并总结了本地区的沉积相有扇三角洲相和辫状河三角洲相,在此基础上,共划分为4种亚相、12种微相。鄯善油田三间房组上、下油组由于分属不同三角洲沉积体系,上油组主要为辫状河三角洲沉积,下油组主要为扇三角洲沉积。
依据三间房组沉积构造特征,对该区的沉积相平面展布特征和湖岸线的位置进行了研究,制作了沉积相平面展布图,分析了本区的物源方向,同时结合本区砂体的平面展布特征、物性特征以及非均质性等特征,分析出研究区主要有利于剩余油储集的砂体主要为水下分流河道、心滩和席状砂体。
Based on the theories of high-resolution sequence straitgraphy, sedimentary petrology, reservoir geology and logging geology, this article finishes the study of fine reservoir description of Sanjianfang formation of Shanshan oil field, sedimentary characteristics, log facies pattern, reservoir physical properties and anisotropy by the analysis of comprehensive core observation, well logging, and the field performance data.
Under the direction of high-resolution sequence straitgraphy, this thesis summarizes the important marker beds which are the basis of dividing and comparing strata in the study zone. According to the principles of sedimentary cycle and beds control,the reservoir sedimentary unit is divided into 2 oil reservoir groups(Long-term base-level cyclic sequences),5 sand groups(Metaphase base-level cyclic sequences),18 substratum(Short-term base-level cyclicsequences) and 38 single layers in the study zone. On the basis of the further study of regional geological setting, sedimentary characteristics, log facies analysis and the predecessors'research fruits, the article identifies the facies of Sanjianfang formation are fan-delta facies and braided river delta facies, which can be divided into 4 kinds of subfacies and 15 kinds of microfacies.
According to the research of sedimentary and structural features in Sanjianfang formation, the paper initially summarizes the sedimentary facies' distribution regularity, determines the position of lakeshoreline, ascertains source area and points out the main reservoirs favorable for remaining- oil are sand bodies of underwater distributary channel deposits, channel bar and sheet sand bodies by combining with areal distribution of sand bodies, physical characteristics, anisotropy, sedimentary micro facies characteristics and sedimentary microfacies' distribution regularity.
在高分辨率层序地层学理论指导下,识别了本地区的标志层,并以此为基础,根据沉积旋回,逐级控制的原则,并结合电性响应特征对三间房组进行了地层划分与对比。将三间房组划分为2个油层组、5个砂层组、18个小层、38个单砂层。结合前人研究成果,研究了区域地质背景、沉积特征、测井相特征,并总结了本地区的沉积相有扇三角洲相和辫状河三角洲相,在此基础上,共划分为4种亚相、12种微相。鄯善油田三间房组上、下油组由于分属不同三角洲沉积体系,上油组主要为辫状河三角洲沉积,下油组主要为扇三角洲沉积。
依据三间房组沉积构造特征,对该区的沉积相平面展布特征和湖岸线的位置进行了研究,制作了沉积相平面展布图,分析了本区的物源方向,同时结合本区砂体的平面展布特征、物性特征以及非均质性等特征,分析出研究区主要有利于剩余油储集的砂体主要为水下分流河道、心滩和席状砂体。
Based on the theories of high-resolution sequence straitgraphy, sedimentary petrology, reservoir geology and logging geology, this article finishes the study of fine reservoir description of Sanjianfang formation of Shanshan oil field, sedimentary characteristics, log facies pattern, reservoir physical properties and anisotropy by the analysis of comprehensive core observation, well logging, and the field performance data.
Under the direction of high-resolution sequence straitgraphy, this thesis summarizes the important marker beds which are the basis of dividing and comparing strata in the study zone. According to the principles of sedimentary cycle and beds control,the reservoir sedimentary unit is divided into 2 oil reservoir groups(Long-term base-level cyclic sequences),5 sand groups(Metaphase base-level cyclic sequences),18 substratum(Short-term base-level cyclicsequences) and 38 single layers in the study zone. On the basis of the further study of regional geological setting, sedimentary characteristics, log facies analysis and the predecessors'research fruits, the article identifies the facies of Sanjianfang formation are fan-delta facies and braided river delta facies, which can be divided into 4 kinds of subfacies and 15 kinds of microfacies.
According to the research of sedimentary and structural features in Sanjianfang formation, the paper initially summarizes the sedimentary facies' distribution regularity, determines the position of lakeshoreline, ascertains source area and points out the main reservoirs favorable for remaining- oil are sand bodies of underwater distributary channel deposits, channel bar and sheet sand bodies by combining with areal distribution of sand bodies, physical characteristics, anisotropy, sedimentary micro facies characteristics and sedimentary microfacies' distribution regularity.
引文
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石油大学学报(自然科学版),2007,31(5)：25-30.
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[2]赵澄林.储层沉积学[M].北京：石油工业出版社,2002,1-17.
[3]H.G.里丁,等.沉积环境和相[M].科学出版社,1985,10-12.
[4]裘亦楠.碎屑岩储层沉积基础.北京：石油工业出版社,1987,58-62.
[5]曾允孚,覃建雄.沉积学发展现状与前瞻[J].成都理工学院学报,1999,26(1)：1-7.
[6]徐强,刘宝君.中国沉积学研究的现状和发展方向[J].西南石油学院学报,2000,22(3)：1-4.
[7]王雄兆,高锦鳞.吐哈盆地台北凹陷区域构造格架特征[J].新疆石油地质,1994,15(3)：201-207.
[8]吕锡敏.吐哈盆地构造特征与油气赋存[J].江汉石油学院学报,2001,23(2)：75-79.
[9]赵文智,袁非,曾晓明.吐鲁番哈密盆地的构造特征[J].石油学报,1992,13(3)：9-17.
[10]汪新伟,汪新文,马永生.新疆博格达山的构造演化及其与油气的关系[J].现代地质,2007,21(1)：116-124.
[11]邓宏文,Timothy A C.高分辨率层序地层学[M].北京：地质出版社,2002,1-22.
[12]Cross T A,Lessenger M A. Sediment volume partitioning:rationale for stratigraphic model evaluation and high-resolution stratigraphic correlation[R]. Accepted for Publication in Norwegian Petroleums-Forening Conference Volume, July.1996,1-24.
[13]Van Wagoner, Mitchum J C,Campion R M,et al. Silicicl-astic sequence stratigraphy in well logs, cores and outcrops [J]. AAPG, Methods in Exploration,1990,7-55.
[14]Posamentier H W, Weimer P. Siliciclastic sequence stratig-raphy and petroleum geology-where to from here [J]. AAPGBulletin,1993,77(5):731-742.
[15]李森明.吐哈盆地丘东洼陷层序基准面旋回与储集性能关系[J]. 新疆石油地质,2006,27(06)：681-687.
[16]薛良清,W.E.Galloway.扇三角洲、辫状河三角洲和三角洲体系的分类[J].地质学报,1991,65(02)：141-153.
[17]代黎明,郭建华,刘辰生,等.孤岛油田西区北馆陶组上段3—6砂层组沉积微相分析[J].河南石油,2006,20(1)：14-16.
[18]林玉祥,唐洪三.垦东凸起石油地球化学特征与成藏系统划分[J].油气地质与采收率,2001,8(5)：27-31.
[19]冯建伟,戴俊生,冀国胜,等.测井资料定量识别河流储层建筑结构要素[J].中国
石油大学学报(自然科学版),2007,31(5)：25-30.
[20]刘林玉.新疆鄯善油田三间房组的小层对比[J].沉积与特提斯地质,2000,20(3)：25-321.
[21]李家华.丘陵—鄯善交界区域三问房组地层划分及砂体展布特征研究[J].石油天然 气学报,2010,32(02)：186-190.
[22]高敬文.从测压资料看都善油田侏罗系三间房组地层属性特征[J].石油天然气学报,2005,27(05)：770-772.
[23]刘林玉,邸世祥.吐鲁番坳陷中侏罗统沉积与储层孔隙发育特征[J].石油与天然气地质,1997,18(3)：247-2601.
[24]{美}A.I.莱复生.石油地质学[M].北京：地质出版社,1975,14-32.
[25]孙永传,李惠生.碎屑岩沉积相和沉积环境[M].北京：地质出版社,1985,5-94.
[26]冯增昭.沉积岩石学[M].第二版.北京：石油工业出版社,1993,69-95.
[27]李琦,田景春,何建军,等.河流相砂体的沉积微相特征—以济阳坳陷埕东北坡馆陶组砂体为例[J].岩相古地理,1999,19(1)：25-30.
[28]陈钢花,王中文,王湘文.河流相沉积微相与测井相研究[J].测井技术,1996,5(20)：335-340.
[29]王卫国,姜山.松辽盆地南部测井相的建立与测井相分析[J]. 铀矿地质,2006,6(22)： 356-360.
[30]师永民,霍进,张玉广.陆相油田开发中后期油藏精细描述[M].北京：石油工业出版社,2004,59-205.
[31]曹广华,胡亚华,张奇文,等.利用测井资料识别沉积微相方法研究[J].科学技术与工程,2007,15：214-215.
[32]孙永传,李惠生.碎屑岩沉积相和沉积环境[M].北京：地质出版社,1985,5-94.
[33]赵澄林,朱筱敏.沉积岩石学[M].北京：石油工业出版社,2001,57-71.
[34]王良忱,张金亮.沉积环境和沉积相[M].北京：石油工业出版社,1996,15-22,176-184.
[35]李思田,解习农,王华,等.沉积盆地分析基础与应用[M].北京：高等教育出版社,2004,1-182.
[36]冯增昭,王英华,刘焕杰,等.中国沉积学[M].北京：石油工业出版社,1994,468-481.
[37]穆龙新,贾爱林.扇三角洲沉积储层模式及预测方法研究[M].北京：石油工业出版社,2003,19-168.
[38]L.F.Brow, A.J.Scott, etal. Delta systems in the exploration for oil and gas.1969,78-100.
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