松辽盆地梨树断陷苏家屯地区火石岭组—营城组地震相与沉积相
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摘要
根据岩心观察、测井、录井、三维地震资料及地震沉积学分析,研究梨树断陷苏家屯地区火石岭组—营城组层序地层、地震相特征及其沉积解释。结果表明:研究区火石岭组—营城组可划分为SQ1—SQ5五个三级层序;沉积相类型主要有扇三角洲、正常三角洲、湖泊和火山岩沉积;火石岭组—营城组地震相外部可划分为前积地震相、杂乱地震相、席状平行—亚平行地震相、发散地震相及条带状地震相五大类,可细分为十一小类;根据剖面地震相—沉积相分析,并结合平面地震相、均方根振幅属性,研究区SQ1时期主要发育火山岩沉积,SQ2、SQ3时期扇三角洲广泛分布,主要发育在东部断阶带和西部断阶带的缓坡区,以及桑树台断裂和曲家断裂的陡坡区,湖泊相主要分布在中央深断带内。随着盆地扩张,SQ4、SQ5时期主要发育正常三角洲,湖泊相范围扩大。该结果可为研究区火石岭组—营城组油气勘探提供地质依据。
According to core observation,well logging,3 Dseismic data and seismic sedimentology analysis,the sequence stratigraphy,seismic facies and sedimentary interpretation of the Huoshiling Formation-Yingcheng Formation in Sujiatun Region,Lishu Fault Depression are studied.The results show that the Huoshiling Formation-Yingcheng Formation can be divided into 5 third-order sequences,SQ1-SQ5,and its sedimentary facies mainly include fan delta,normal fan delta,lacustrine deposits and volcanic deposits.Five types of seismic facies,including foreset pattern,chaotic pattern,sheet parallelsubparallel pattern,divergent pattern and banded reflection pattern,were recognized according to the external and internal reflection configurations.Some categories can be further divided into eleven subtypes by different parameters.Moreover,according to the sedimentary interpretation of seismic profilesand the comprehensive analysis of the horizontal distributions of seismic facies and RMS amplitude,it is believed that the study area mainly develops volcanic deposits in SQ1;fan delta is widely developed in gentle slope of the eastern and western step-fault zone and steep slope of Sangshutai Fault and Qujia Fault,lacustrine facies is locally distributed in the deep faulted belt in SQ2 and SQ3;with the expansion of the basin,the study area is gradually dominated by normal fan delta and lacustrine facies is further expanded in SQ4 and SQ5.These research results provide a geological basis for exploration of Huoshiling Formation-Yingcheng Formation in the study area.
According to core observation,well logging,3 Dseismic data and seismic sedimentology analysis,the sequence stratigraphy,seismic facies and sedimentary interpretation of the Huoshiling Formation-Yingcheng Formation in Sujiatun Region,Lishu Fault Depression are studied.The results show that the Huoshiling Formation-Yingcheng Formation can be divided into 5 third-order sequences,SQ1-SQ5,and its sedimentary facies mainly include fan delta,normal fan delta,lacustrine deposits and volcanic deposits.Five types of seismic facies,including foreset pattern,chaotic pattern,sheet parallelsubparallel pattern,divergent pattern and banded reflection pattern,were recognized according to the external and internal reflection configurations.Some categories can be further divided into eleven subtypes by different parameters.Moreover,according to the sedimentary interpretation of seismic profilesand the comprehensive analysis of the horizontal distributions of seismic facies and RMS amplitude,it is believed that the study area mainly develops volcanic deposits in SQ1;fan delta is widely developed in gentle slope of the eastern and western step-fault zone and steep slope of Sangshutai Fault and Qujia Fault,lacustrine facies is locally distributed in the deep faulted belt in SQ2 and SQ3;with the expansion of the basin,the study area is gradually dominated by normal fan delta and lacustrine facies is further expanded in SQ4 and SQ5.These research results provide a geological basis for exploration of Huoshiling Formation-Yingcheng Formation in the study area.
引文
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[17]VICTOR L,MARCELO S.Seismic Lacier analysis based on 3Dmultiattrihute volume classification,la Palma Field,maracaiho venezuela[J].The Leading Edge,2003,22(1):32-36.
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[20]王家豪,王华,肖敦清,等.陆相伸展性盆地二级层序的厘定[J].石油学报,2009,30(6):869-875.WANG Jiahao,WANG Hua,XIAO Dunqing,et al.Determination of second-order stratigraphic sequences in continental extensional basins[J].Acat Petrolei Sinica,2009,30(6):869-875.
[21]范兴燕,张研,唐衔,等.断陷湖盆地震相模式研究要点:以Capella油田为例[J].石油地球物理勘探,2015,50(6):1196-1206.FAN Xingyan,ZHANG Yan,TANG Xian,et al.Key research points on seismic facies models of faulted lake basin:a case study of Capella oilfield[J].Oil Geophysical Prospecting,2015,50(6):1196-1206.
[22]朱筱敏,信荃麟.利用地震反射前积结构确定古水流体系[J].石油大学学报(自然科学版),1989,13(1):9-13.ZHU Xiaomin,XIN Quanlin.Application of seismic clinoform reflection to the determination of ancient flow system[J].Journal of the University of Petroleum(Natural Science Edition),1989,13(1):9-13.
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[24]张强,刘丽芳,张晓庆,等.埕北凹陷古近系构造对沉积的控制作用[J].东北石油大学学报,2017,41(4):88-98.ZHANG Qiang,LIU Lifang,ZHANG Xiaoqing,et al.Development of structure and its control on sedimentary system of Paleogene in Chengbei Sag[J].Journal of Northeast Petroleum University,2017,41(4):88-98.
[2]葸克来,操应长,蔡来星,等.松辽盆地梨树断陷营城组低渗透储层成因机制[J].现代地质,2013,27(1):208-216.XI Kelai,CAO Yingchang,CAI Laixing,et al.Genetic mechanism of low-permeability reservoir of Yingcheng Formation in Lishu Fault Depression,Songliao Basin[J].Geoscience,2013,27(1):208-216.
[3]单敬福,葛黛薇,乐江华,等.松辽盆地东南缘层序地层与沉积体系配置及演化:以梨树断陷西北部营城组地层为例[J].沉积学报,2013,31(1):67-76.SHAN Jingfu,GE Daiwei,LE Jianghua,et al.Framework of sequence stratigraphy,sedimentary system and evolution of Southeastern Songliao Basin:an example from Yingcheng Formation in Lishu Fault Depression[J].Acta Sedimentologica Sinica,2013,31(1):67-76.
[4]杨特波,王宏语,樊太亮,等.梨树断陷苏家屯地区营城组沉积特征[J].石油与天然气地质,2013,34(3):349-356.YANG Tebo,WANG Hongyu,FAN Tailiang,et al.Sedimentary characteristics of Yingcheng Formation in Sujiatun Area,Lishu Rift in Songliao Basin[J].Oil&Gas Geology,2013,34(3):349-356.
[5]武继跃,卢海娇,李浮萍,等.松辽盆地东南缘层序地层与沉积充填响应:以梨树断陷西北部沙河子组地层为例[J].东北石油大学学报,2014,38(5):40-50.WU Jiyue,LU Haijiao,LI Fuping,et al.Sequence stratigraphy and depositional filling response in the Southeastern margin of Songliao Basin:taking the Lishu Fault Depression Shahezi stratum formation in the northwest as an example[J].Journal of Northeast Petroleum University,2014,38(5):40-50.
[6]肖冬生,乔东生,周俊杰.北大港北坡“三相”结合预测沙二段储层[J].特种油气藏,2009,16(5):14-16.XIAO Dongsheng,QIAO Dongsheng,ZHOU Junjie.Reservoir prediction by combining core-logging-seismic facies for the north slop of Beidagang[J].Special Oil&Gas Reservoirs,2009,16(5):14-16.
[7]张俊,张敏.松辽盆地梨树断陷原油成因类型与分布[J].天然气地球科学,2013,24(1):116-122.ZHANG Jun,ZHANG Min.Genetic type and distribution of the oils in Lishu Fault Depression,Songliao Basin[J].Natural Gas Geoscience,2013,24(1):116-122.
[8]王黎,王果寿,邱岐,等.松辽盆地梨树断陷深部层系沉积特征及演化分析[J].石油实验地质,2014,36(3):316-324.WANG Li,WANG Guoshou,QIU Qi,et al.Sedimentary features and evolution of deep series in Lishu Fault Depression,Songliao Basin[J].Petroleum Geology&Experiment,2014,36(3):316-324.
[9]蔡来星,操应长,卢双舫,等.梨树断陷营城组层序地层格架与沉积相特征[J].沉积学报,2014,32(3):576-585.CAI Laixing,CAO Yingchang,LU Shuangfang,et al.Framework of sequence stratigraphy and depositional characteristics of Yingcheng Formation in Lishu Fault Depression[J].Acta Sedimentologica Sinica,2014,32(3):576-585.
[10]杨帆,王宏语,聂文彬,等.松辽盆地南部梨树断陷下白垩统营城组物源分析[J].断块油气田,2012,19(6):701-705.YANG Fan,WANG Hongyu,NIE Wenbin,et al.Provenance analysis of lower Cretaceous Yingcheng Formation in Lishu Faulted Depression of Southern Songliao Basin[J].Fault-Block Oil&Gas Field,2012,19(6):701-705.
[11]顾忆,秦都,路清华,等.梨树断陷主力烃源岩与油源对比[J].石油实验地质,2013,35(6):662-667.GU Yi,QIN Du,LU Qinghua,et al.Correlation of major source rocks and oil sources in Lishu Fault Depression[J].Petroleum Geology&Experiment,2013,35(6):662-667.
[12]尹楠鑫,李存贵,贾云超,等.东淮凹陷马寨油田卫95块扇三角洲沉积特征及沉积模式[J].东北石油大学学报,2015,39(6):20-29.YIN Nanxin,LI Cungui,JIA Yunchao,et al.Sedimentary characteristics and sedimentary model of Wei95block in Mazhai Oillield Dongpu Depression[J].Journal of Northeast Petroleum University,2015,39(6):20-29.
[13]石好果,林会喜,陈林,等.车排子地区侏罗系沉积模式及有利区带分析[J].特种油气藏,2017,24(3):26-30.SHI Haoguo,LIN Huixi,CHEN Lin,et al.Analysis on sedimentation model and favorable belts of Jurassic in the area of Chepaizi[J].Special Oil&Gas Reservoirs,2017,24(3):26-30.
[14]宋志慧,王居峰,王红军,等.辽河海南洼陷沙一二段地震相精细研究[J].东北石油大学学报,2016,40(4):63-73.SONG Zhihui,WANG Jufeng,WANG Honggjun,et al.Fine study of seismic facies in the first and second members of Shahejie Formation in the Hainan Sag in Liaohe Basin[J].Journal of Northeast Petroleum University,2016,40(4):63-73.
[15]吴奎,吴俊刚,张中巧,等.辽中凹陷北部湖底扇沉积模式及地震响应特征[J].东北石油大学学报,2012,36(5):33-37.WU Kui,WU Jungang,ZHANG Zhongqiao,et al.Sedimentary model and seismic response characteristics of the sublacustrine fan in northern Liaozhong Depression[J].Journal of Northeast Petroleum University,2012,36(5):33-37.
[16]肖大坤,林承焰,张宪国.长岭断陷A地区登娄库组辫状河沉积的地震相精细识别与沉积微相[J].成都理工大学学报(自然科学版),2014,41(4):444-451.XIAO Dakun,LIN Chengyan,ZHANG Xianguo.Fine seismic;facies recognition and sedimentary microfacies in braided river of Denglouku Formation in area A,Changling Fault Depression,Songliao Basin,China[J].Journal of Chengdu University of Technology(Natural Science Edition),2014,41(4):444-451.
[17]VICTOR L,MARCELO S.Seismic Lacier analysis based on 3Dmultiattrihute volume classification,la Palma Field,maracaiho venezuela[J].The Leading Edge,2003,22(1):32-36.
[18]ANGELO S M,MATOS M,MARFURT K J.Integrated seismic texture segmentation and clustering analysis to improved delineation of reservoir geometry[J].SEG Technical Program Expanded Abstracts,2009,28(10):1107-1111.
[19]张艳,张春雷,高世臣.基于SOM和HSV染色技术的致密砂岩储层地震相分析[J].天然气地球科学,2018,29(2):259-267.ZHANG Yan,ZHANG Chunlei,GAO Shichen.Seismic facies analysis of tight sandstone reservoir based on SOM and HSV color technique[J].Natural Gas Geoscience,2018,29(2):259-267.
[20]王家豪,王华,肖敦清,等.陆相伸展性盆地二级层序的厘定[J].石油学报,2009,30(6):869-875.WANG Jiahao,WANG Hua,XIAO Dunqing,et al.Determination of second-order stratigraphic sequences in continental extensional basins[J].Acat Petrolei Sinica,2009,30(6):869-875.
[21]范兴燕,张研,唐衔,等.断陷湖盆地震相模式研究要点:以Capella油田为例[J].石油地球物理勘探,2015,50(6):1196-1206.FAN Xingyan,ZHANG Yan,TANG Xian,et al.Key research points on seismic facies models of faulted lake basin:a case study of Capella oilfield[J].Oil Geophysical Prospecting,2015,50(6):1196-1206.
[22]朱筱敏,信荃麟.利用地震反射前积结构确定古水流体系[J].石油大学学报(自然科学版),1989,13(1):9-13.ZHU Xiaomin,XIN Quanlin.Application of seismic clinoform reflection to the determination of ancient flow system[J].Journal of the University of Petroleum(Natural Science Edition),1989,13(1):9-13.
[23]杜民,王改云,刘金萍,等.北黄海盆地东部坳陷地层划分及沉积特征[J].特种油气藏,2014,21(2):51-56.DU Min,WANG Gaiyun,LIU Jinping,et al.Stratigraphic delineation and depositional characteristics in the eastern depression,North Yellow Sea Basin[J].Special Oil&Gas Reservoirs,2014,21(2):51-56.
[24]张强,刘丽芳,张晓庆,等.埕北凹陷古近系构造对沉积的控制作用[J].东北石油大学学报,2017,41(4):88-98.ZHANG Qiang,LIU Lifang,ZHANG Xiaoqing,et al.Development of structure and its control on sedimentary system of Paleogene in Chengbei Sag[J].Journal of Northeast Petroleum University,2017,41(4):88-98.