松辽盆地南部乾安北地区扶余油层沉积微相分析
摘要
通过岩心观察和测井曲线分析确定岩石、岩相类型,结合测井相、骨架剖面微相及地震微相分析,对扶余油层4个砂层组的沉积微相展布及演化规律进行系统的研究。结果表明:扶余油层为曲流河、曲流河三角洲沉积体系,主要发育河床滞留沉积、点砂坝、河漫滩、水下分流河道与河口砂坝等沉积微相,其中曲流河道和水下分流河道砂体较发育,为物性较好的储集相带;伴随湖侵水体逐渐加深,河道逐渐由条带到开阔,砂体由零星到连片分布,河道弯曲逐渐萎缩,沉积相带由河流相过渡到河湖交互相。
Through core observation and well-logging curve analysis,the types of the rock and lithofacies were determined.And combined with logging facies,matrix section microfacies and seismic microfacies analysis,sedimentary microfacies through-going and evolution laws of four sand formations for Fuyu oil-bearing layer were systematically studied.The results show that the reservoirs belong to meandering river-delta facies deposit,and it is further divided into some microfacies including gravel lag-deposit of in-channel,bar point,fluviatile flood-plain,underwater distributary channel and river mouth bar.The meandering river and distributary channel sandbody have the best reservoir property.In addition,the sedimentary facies changes from fluvial facies to river-delta facies with the lake transgression,the meandering river channel becomes much more broad and straight,and the sandbody changes from scattered spread to regional distribution.
Through core observation and well-logging curve analysis,the types of the rock and lithofacies were determined.And combined with logging facies,matrix section microfacies and seismic microfacies analysis,sedimentary microfacies through-going and evolution laws of four sand formations for Fuyu oil-bearing layer were systematically studied.The results show that the reservoirs belong to meandering river-delta facies deposit,and it is further divided into some microfacies including gravel lag-deposit of in-channel,bar point,fluviatile flood-plain,underwater distributary channel and river mouth bar.The meandering river and distributary channel sandbody have the best reservoir property.In addition,the sedimentary facies changes from fluvial facies to river-delta facies with the lake transgression,the meandering river channel becomes much more broad and straight,and the sandbody changes from scattered spread to regional distribution.
引文
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[12]王世瑞,王树平,狄帮让,等.基于地震属性特征的河道砂体预测方法[J].石油地球物理勘探,2009,44(3):304-313.WANG Shi-rui,WANG Shu-ping,DI Bang-rang,et al.Prediction of channel sand body based on seismic attrib-utes[J].Oil Geophysical Prospecting,2009,44(3):304-313.
[13]李志安,张思富,施龙.松辽盆地北部头台油田沉积微相研究[J].大庆石油地质与开发,1998,17(1):14-16.LI Zhi-an,ZHANG Si-fu,SHI Long.Depositional mi-crofacies in toutai oilfield northern part of Songliao Basin[J].Petroleum Geology&Oilfield Development inDaqing,1998,17(1):14-16.
[2]王伟锋,金强,徐怀民,等.油藏描述中的沉积相研究[J].沉积学报,1995,13(1):94-101.WANG Wei-feng,JIN Qiang,XU Huai-min,et al.Studyof sedimentary facies in reservoir description[J].ActaSedimentologica Sinica,1995,13(1):94-101.
[3]凌云研究组.基本地震属性在沉积环境解释中的应用研究[J].石油地球物理勘探,2003,38(6):642-653.LING Yun.Study on application of basic seismic attribu-tions to interpretation of depositional environment[J].OilGeophysical Prospecting,2003,38(6):642-653.
[4]朱仕军,黄继祥.微地震相分析在沉积相研究中的应用[J].西南石油学院学报,1995,17(4):14-19.ZHU Shi-jun,HUANG Ji-xiang.Application of micro-seismic facies analysis in the study of sedimentary[J].Journal of Southwestern Petroleum Institute,1995,17(4):14-19.
[5]徐敬领,王贵文,刘洛夫.利用小波深分频方法研究沉积储层旋回[J].中国石油大学学报:自然科学版,2009,33(5):1-4.XU Jing-ling,WANG Gui-wen,LIU Luo-fu.Study ofsedimentary reservoir cycles using wavelet depth-frequen-cy analysis method[J].Journal of China University ofPetroleum(Edition of Natural Science),2009,33(5):1-4.
[6]罗水亮,林承焰,翟启世,等.滨南油田毕家地区沙三下亚段沉积特征及沉积模式[J].中国石油大学学报:自然科学版,2009,33(5):12-17.LUO Shui-liang,LIN Cheng-yan,ZHAI Qi-shi,et al.Reservoir sedimentation characteristics and sedimentationmodel of lower Es3 of Bijia block in Binnan Oilfield[J].Journal of China University of Petroleum(Edition of Natu-ral Science),2009,33(5):12-17.
[7]陈烨菲,彭仕宓,钟显彪,等.松辽盆地四五家子油田下白垩统泉头组沉积相[J].古地理学报,2003,5(3):316-327.CHEN Ye-fei,PENG Shi-mi,ZHONG Xian-biao,et al.Sedimentary facies of the Quantou formation of lover cre-taceous at Siwujiazi Oilfield of Songliao Basin[J].Jour-nal of Palaeogeography,2003,5(3):316-327.
[8]梁昌国,王志章,林承焰,等.松辽盆地扶余油田白垩系泉四段沉积微相研究[J].西南石油大学学报:自然科学版,2008,30(2):69-73.LIANG Chang-guo,WANG Zhi-zhang,LIN Cheng-yan,et al.Sedimentary microfacies of the Q4 member of creta-ceous in Fuyu Oilfield Songliao Basin[J].Journal ofSouthwest Petroleum Uinversity(Science&Technology E-dition),2008,30(2):69-73.
[9]刘明慧,邓宏文,吴海波,等.松辽盆地肇源南地区下白垩统扶Ⅰ油层沉积微相研究[J].石油天然气学报,2009,31(3):161-166.LIU Ming-hui,DENG Hong-wen,WU Hai-bo,et al.Study of sedimentary microfacies of the lower CretaceousFUyu oil-bearing layer in southern Zhaoyuan area of theSongliao Basin[J].Journal of Oil and Gas Technology,2009,31(3):161-166.
[10]杨婷,单玄龙,刘万洙,等.松辽盆地齐家北地区下白垩统泉头组泉四段沉积微相特诊[J].沉积与特提斯地质,2009,29(4):35-41.YANG Ting,SHAN Xuan-long,LIU Wan-zhu,et al.Sedimentary microfacies of the fourth member of the low-er Cretaceous Quantou formation in northern Qijia,Songliao Basin,Heilongjiang[J].Sedimentary Geologyand Tethyan Geology,2009,29(4):35-41.
[11]杨明达,杨明辉,刘鸿友,等.松辽盆地南部海坨子地区姚家组二、三段沉积微相研究[J].石油实验地质,2002,24(4):348-353.YANG Ming-da,YANG Ming-hui,LIU Hong-you,etal.Sedimentary microfacies study on the second andthird members of the Yaojia formation in Haituozi area,the south Songliao Basin[J].Petroleum Geology&Ex-periment,2002,24(4):348-353.
[12]王世瑞,王树平,狄帮让,等.基于地震属性特征的河道砂体预测方法[J].石油地球物理勘探,2009,44(3):304-313.WANG Shi-rui,WANG Shu-ping,DI Bang-rang,et al.Prediction of channel sand body based on seismic attrib-utes[J].Oil Geophysical Prospecting,2009,44(3):304-313.
[13]李志安,张思富,施龙.松辽盆地北部头台油田沉积微相研究[J].大庆石油地质与开发,1998,17(1):14-16.LI Zhi-an,ZHANG Si-fu,SHI Long.Depositional mi-crofacies in toutai oilfield northern part of Songliao Basin[J].Petroleum Geology&Oilfield Development inDaqing,1998,17(1):14-16.
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