基于古地貌和断裂控制的辽西低凸起锦州S油田沙河街组沉积体系
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摘要
为明确辽西低凸起锦州S油田沙河街组沉积相带展布及其控制因素,综合应用岩心、测井和地震等资料,分析古地貌特征、断裂系统展布及其对沉积体系演化的控制作用,确定沙河街组SQ1—SQ4层序沉积相类型,探讨沙河街组沉积体系的演化规律。结果表明:研究区沙河街组发育辫状河三角洲、扇三角洲、湖泊等沉积体系类型;古地貌整体控制沉积体系类型;构造转换带是锦州S油田沉积物的主要运移通道。古地貌较低的C区,以及受转换带二次运移沉积的F、G区发育辫状河三角洲前缘亚相,砂体厚度大,储层质量好,有利于油气富集。该结果为研究区有利相带及优质砂体预测提供参考。
In order to clarify the distribution of sedimentary facies and its controlling factors,based on core,well logging and seismic data,the palaeogeomorphological features,distribution of fault systems and their controlling effects on the evolution of sedimentary systems are systematically analyzed.The sedimentary facies types of the SQ1-SQ4 sequence of the Shahejie Formation were clarified,and the evolution of the sedimentary system was discussed.The results show that Shahejie Formation in the study area developed a variety of sedimentary system types,such as braided river delta,fan delta and lake deposit,and the paleogenomorphic features controlled the type of the sedimentary system as a whole,and the tectonic transfer zone is the main transport channel in Jinzhou S Oilfield.The C-zone with lower paleogeomorphology and the F,G region with secondary transport sedimentation have developed the braided river delta front subfacies,which is a favorable oil and gas enrichment zone.The research results provide reference for the prediction of favorable facies belts and high quality sand bodies in this area,and have important guiding significance for oilfield development.
In order to clarify the distribution of sedimentary facies and its controlling factors,based on core,well logging and seismic data,the palaeogeomorphological features,distribution of fault systems and their controlling effects on the evolution of sedimentary systems are systematically analyzed.The sedimentary facies types of the SQ1-SQ4 sequence of the Shahejie Formation were clarified,and the evolution of the sedimentary system was discussed.The results show that Shahejie Formation in the study area developed a variety of sedimentary system types,such as braided river delta,fan delta and lake deposit,and the paleogenomorphic features controlled the type of the sedimentary system as a whole,and the tectonic transfer zone is the main transport channel in Jinzhou S Oilfield.The C-zone with lower paleogeomorphology and the F,G region with secondary transport sedimentation have developed the braided river delta front subfacies,which is a favorable oil and gas enrichment zone.The research results provide reference for the prediction of favorable facies belts and high quality sand bodies in this area,and have important guiding significance for oilfield development.
引文
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[20]范璎宁,李胜利,梁星如,等.浅水湖泊河口坝型三角洲前缘沉积特征与模式:以文安斜坡西5井区沙河街组三段为例[J].东北石油大学学报,2017,41(4):43-51.FAN Yingning,LI Shengli,LIANG Xingru,et al.Sedimentary characteristic and pattern of mouth-bar delta front in the shallow lacustrine:a case of the 3rd member of Shahejie Formation in well X5area in Wen'an Slope of Baxian[J].Journal of Northeast Petroleum University,2017,41(4):43-51.
[21]柳永军,徐长贵,吴奎,等.辽东湾坳陷走滑断裂差异性与大中型油气藏的形成[J].石油实验地质,2015,37(5):555-559.LIU Yongjun,XU Changgui,WU Kui,et al.Different characteristics of strike-slip faults and the formation of large and mediumscaled oil and gas fields in the Liaodong Bay Depression[J].Petroleum Geology&Experiment,2015,37(5):555-559.
[22]余一欣,周心怀,汤良杰,等.渤海海域辽东湾坳陷正断层联接及其转换带特征[J].地质论评,2009,55(1):79-84.YU Yixin,ZHOU Xinhuai,TANG Liangjie,et al.Linkages of normal faults and transfer zones in the Liaodongwan Depression,offshore Bohai Bay Basin[J].Geological Review,2009,55(1):79-84.
[23]余一欣,周心怀,徐长贵,等.渤海辽东湾坳陷走滑断裂差异变形特征[J].石油与天然气地质,2014,35(5):632-638.YU Yixin,ZHOU Xinhuai,XU Changgui,et al.Differential deformation of strike slip faults in the Liaodongwan Depression,offshore Bohai Bay Basin[J].Oil&Gas Geology,2014,35(5):632-638.
[24]吕丁友,杨明慧,周心怀,等.辽东湾坳陷辽西低凸起潜山构造特征与油气聚集[J].石油与天然气地质,2009,30(4):490-495.LYU Dingyou,YANG Minghui,ZHOU Xinhuai,et al.Structral characteristics and hydrocarbon accumulation in the buried hills of the Liaoxi Low Salient,the Liaodong Bay Depression[J].Oil&Gas Geology,2009,30(4):490-495.
[2]漆家福,陈发景.辽东湾下辽河裂陷盆地的构造样式[J].石油与天然气地质,1992,13(3):272-283.QI Jiafu,CHEN Fajing.Structure styles in Liaodong Bay Xialiaohe Basin[J].Oil&Gas Geology,1992,13(3):272-283.
[3]冯有良,周海民,任建业,等.渤海湾盆地东部古近系层序地层及其对构造活动的响应[J].中国科学(D辑:地球科学),2010,40(10):1356-1376.FENG Youliang,ZHOU Haimin,REN Jianye,et al.Paleogene sequence stratigraphy in the east of the Bohai Bay Basin and its response to structural movement[J].Scientia in China(Series D:Earth Science),2010,40(10):1356-1376.
[4]芦刚,林畅松,刘景彦,等.辽西凹陷沙河街组低凸起带物源分析[J].成都理工大学学报(自然科学版),2014,41(2):171-175.LU Gang,LIN Changsong,LIU Jingyan,et al.Provenance analysis of low uplift of Shahejie Formation,Liaoxi Sag[J].Journal of Chengdu University of the Technology(Science&Technology Edition),2014,41(2):171-175.
[5]王孝辕,黄江波,杨海风,等.莱北低凸起构造成因演化及其对沉积体系的控制作用[J].东北石油大学学报,2018,42(2):1-8.WANG Xiaoyuan,HUANG Jiangbo,YANG Haifeng,et al.Tectonic origin and evolution of Laibei Low Uplift and its control over sedimentary system[J].Journal of Northeast Petroleum University,2018,42(2):1-8.
[6]周杰,杨希冰,甘军,等.琼东南盆地深水区断裂对沉积充填的控制作用[J].特种油气藏,2017,24(5):75-79.ZHOU Jie,YANG Xibing,GAN Jun,et al.Controlling effect of faulting on sedimentary fill in the deep water areas,the Qiongdongnan Basin[J].Special Oil&Gas Reservoirs,2017,24(5):75-79.
[7]王观宏,甘华军,赵忠新,等.南堡凹陷高柳断层活动特征及其对沉积的控制[J].东北石油大学学报,2018,42(2):51-59.WANG Guanhong,GAN Huajun,ZHAO Zhongxin,et al.Activity of Gaoliu Fault and its control over sedimentation in the Nanpu Sag[J].Journal of Northeast Petroleum University,2018,42(2):51-59.
[8]林畅松,夏庆龙,施和生,等.地貌演化、源—汇过程与盆地分析[J].地学前缘,2015,22(1):9-20.LIN Changsong,XIA Qinglong,SHI Hesheng,et al.Geomorphological evolution,source to sink system and basin analysis[J].Earth Science Frontiers,2015,22(1):9-20.
[9]王改卫,杜晓峰,黄晓波,等.渤中21构造区湖底扇成因模式及勘探意义[J].东北石油大学学报,2017,41(3):84-92.WANG Gaiwei,DU Xiaofeng,HUANG Xiaobo,et al.Sublacustrine fan genetic model and its exploration significance of BZ21Region[J].Journal of Northeast Petroleum University,2017,41(3):84-92.
[10]蔡佳.南阳凹陷南部断超带古近系古地貌恢复及演化[J].特种油气藏,2011,18(6):57-60.CAI Jia.Reconstruction and evolution of Paleogene geomorphology in the overlap fault belt in the south of Nanyang Sag[J].Special Oil&Gas Reservoirs,2011,18(6):57-60.
[11]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):88-96.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):88-96.
[12]朱筱敏,董艳蕾,杨俊生,等.辽东湾地区古近系层序地层格架与沉积体系分布[J].中国科学(D辑:地球科学),2008,38(增刊1):1-10.ZHU Xiaoming,DONG Yanlei,YANG Junsheng,et al.Stratigraphicframeworks and sedimentary systems of the Paleogene in Liaodongwan Bay Area[J].Science in China(Series D:Earth Sciences),2008,38(Supp.1):1-10.
[13]徐长贵,许效松,丘东洲,等.辽东湾地区辽西凹陷中南部古近系构造格架与层序地层格架及古地理分析[J].古地理学报,2005,7(4):449-459.XU Changgui,XU Xiaosong,QIU Dongzhou,et al.Structural and se-quence stratigraphic frameworks and palaeogeography of the Paleogene in central-southern Liaoxi Sag,Liaodongwan Bay Area[J].Journal of Palaeogeography,2005,7(4):449-459.
[14]李德江,朱筱敏,董艳蕾,等.辽东湾坳陷古近系沙河街组层序地层分析[J].石油勘探与开发,2007,34(6):669-676.LI Dejiang,ZHU Xiaomin,DONG Yanlei,et al.Sequence stratigraphy and depositional system of Paleogene Shahejie Formation in Liaodong Bay Depression[J].Petroleum Exploration and Development,2007,34(6):669-676.
[15]王永利,加东辉,李建平,等.辽西低凸起锦州地区古近系沙河街组三段砂体分布特征及物源分析[J].古地理学报,2011,13(2):186-192.WANG Yongli,JIA Donghui,LI Jianping,et al.Distribution characters of sand body of the member 3of Paleogene Shahejie Formation and provenance analysis of Jinzhou Area in Liaoxi Low Uplift[J].Journal of Palaeogeography,2011,13(2):186-192.
[16]宋章强,杜晓峰,王启明,等.辽西低凸起北段源—汇系统精细描述与油气勘探实践[J].地球科学,2017,42(11):2070-2079.SONG Zhangqiang,DU Xiaofeng,WANG Qiming,et al.Source-to-sink system fine descrition and petroleum exploration practice of the northern section of Liaoxi Low Uplift[J].Earth Science,2017,42(11):2070-2079.
[17]郭涛,王军,石文龙,等.辽西低凸起中南段古近系东营组层序地层及地层—岩性油气藏勘探意义[J].石油与天然气地质,2012,33(2):248-255.GUO Tao,WANG Jun,SHI Wenlong,et al.Sequence stratigraphy of the Paleogene Dongying Formation and its significance for stratigraphic-lithologic reservoirs exploration in the central-south Liaoxi Salient[J].Oil&Gas Geology,2012,33(2):248-255.
[18]赖维成,宋章强,周心怀,等.“动态物源”控砂模式[J].石油勘探与开发,2010,37(6):763-768.LAI Weicheng,SONG Zhangqiang,ZHOU Xinhuai,et al.Model of dynamic source controlling sand[J].Petroleum Exploration and Development,2010,37(6):763-768.
[19]王敏芳,焦养泉,任建业,等.沉积盆地中古地貌恢复的方法与思路:以准噶尔盆地西山窑组沉积期为例[J].新疆地质,2006,24(3):326-330.WANG Minfang,JIAO Yangquan,REN Jianye,et al.Method and thinking of palaeogeomorphologic reconstruction in sedimentary basin-example from depositional stage of Xishanyao Formation in Junggar Basin[J].Xinjiang Geology,2006,24(3):326-330.
[20]范璎宁,李胜利,梁星如,等.浅水湖泊河口坝型三角洲前缘沉积特征与模式:以文安斜坡西5井区沙河街组三段为例[J].东北石油大学学报,2017,41(4):43-51.FAN Yingning,LI Shengli,LIANG Xingru,et al.Sedimentary characteristic and pattern of mouth-bar delta front in the shallow lacustrine:a case of the 3rd member of Shahejie Formation in well X5area in Wen'an Slope of Baxian[J].Journal of Northeast Petroleum University,2017,41(4):43-51.
[21]柳永军,徐长贵,吴奎,等.辽东湾坳陷走滑断裂差异性与大中型油气藏的形成[J].石油实验地质,2015,37(5):555-559.LIU Yongjun,XU Changgui,WU Kui,et al.Different characteristics of strike-slip faults and the formation of large and mediumscaled oil and gas fields in the Liaodong Bay Depression[J].Petroleum Geology&Experiment,2015,37(5):555-559.
[22]余一欣,周心怀,汤良杰,等.渤海海域辽东湾坳陷正断层联接及其转换带特征[J].地质论评,2009,55(1):79-84.YU Yixin,ZHOU Xinhuai,TANG Liangjie,et al.Linkages of normal faults and transfer zones in the Liaodongwan Depression,offshore Bohai Bay Basin[J].Geological Review,2009,55(1):79-84.
[23]余一欣,周心怀,徐长贵,等.渤海辽东湾坳陷走滑断裂差异变形特征[J].石油与天然气地质,2014,35(5):632-638.YU Yixin,ZHOU Xinhuai,XU Changgui,et al.Differential deformation of strike slip faults in the Liaodongwan Depression,offshore Bohai Bay Basin[J].Oil&Gas Geology,2014,35(5):632-638.
[24]吕丁友,杨明慧,周心怀,等.辽东湾坳陷辽西低凸起潜山构造特征与油气聚集[J].石油与天然气地质,2009,30(4):490-495.LYU Dingyou,YANG Minghui,ZHOU Xinhuai,et al.Structral characteristics and hydrocarbon accumulation in the buried hills of the Liaoxi Low Salient,the Liaodong Bay Depression[J].Oil&Gas Geology,2009,30(4):490-495.
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