下扬子黄桥地区构造样式分析
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摘要
黄桥地区是下扬子有利含油气区,后期改造强烈、构造复杂,制约着该区的油气勘探工作。黄桥地区经历3期构造运动叠加,形成了大量的正断层、逆断层和褶皱,组合成多种构造样式。通过区域构造和三维地震剖面精细解释,结合其成因,主要分为挤压构造、伸展构造和反转构造3种构造样式。在此基础上,将黄桥三维区分为西北斜坡带、中部隆起带和东南低凹带3个构造区,指出中部隆起带构造稳定区是油气勘探的有利区。
The Huangqiao area is a key exploration target for oil and gas in the Lower Yangtze region. However,due to strong later transformation and complex structure,the oil and gas exploration work is restricted in this area.The Huangqiao area experienced three stages of tectonic movement,forming a large number of normal faults,reverse faults and folds,resulting in various structural styles. Three types of structural styles were identified according to their causes,including compressive structures,extension structures and inversion structures,based on the regional tectonic analysis and the fine scale interpretation of 3 D seismic profiles. There are three tectonic zones,including the northwest slope zone,the central uplift belt and the southeast low-lying zone. The central uplift belt,as a stable structure area,is favorable for hydrocarbon exploration.
The Huangqiao area is a key exploration target for oil and gas in the Lower Yangtze region. However,due to strong later transformation and complex structure,the oil and gas exploration work is restricted in this area.The Huangqiao area experienced three stages of tectonic movement,forming a large number of normal faults,reverse faults and folds,resulting in various structural styles. Three types of structural styles were identified according to their causes,including compressive structures,extension structures and inversion structures,based on the regional tectonic analysis and the fine scale interpretation of 3 D seismic profiles. There are three tectonic zones,including the northwest slope zone,the central uplift belt and the southeast low-lying zone. The central uplift belt,as a stable structure area,is favorable for hydrocarbon exploration.
引文
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[16]佘晓宇,徐宏节,何治亮.江苏下扬子区中、古生界构造特征及其演化[J].石油与天然气地质,2004,25(2):226-230.SHE Xiaoyu,XU Hongjie,HE Zhiliang.Tectonic characteristics and evolution of Mesozoic and Paleozoic in Lower Yangtze region,Jiangsu[J].Oil&Gas Geology,2004,25(2):226-230.
[17]袁勇,陈建文,梁杰,等.海陆对比看南黄海海相中—古生界的生储盖组合特征[J].石油实验地质,2017,39(2):195-202.YUAN Yong,CHEN Jianwen,LIANG Jie,et al.Source-reservoirseal assemblage of marine Mesozoic-Paleozoic in South Yellow Sea Basin by land-ocean comparison[J].Petroleum Geology&Experiment,2017,39(2):195-202.
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[2]郭念发,尤效忠,刘德法.下扬子区古生界油气地质条件及勘探选区[J].石油勘探与开发,1998,25(1):4-7.GUO Nianfa,YOU Xiaozhong,LIU Defa.Palaeozoic oil and gas geological conditions and exploration area screening in,Lower Yangtze region[J].Petroleum Exploration and Development,1998,25(1):4-7.
[3]刘志华.下扬子黄桥地区下二叠统栖霞组有利储层预测[J].海洋地质前沿,2017,33(11):43-47.LIU Zhihua.Prediction of favorable reservoir in Qixia Formation of Lower Permian in Huangqiao area,Lower Yangtze Basin[J].Marine Geology frontiers,2017,33(11):43-47.
[4]刘玉瑞.苏北盆地高邮凹陷戴南组物源-坡折控扇研究[J].石油实验地质,2016,38(1):23-31.LIU Yurui.Sediment sources and slope belt controlling fan systems in the Dainan Formation in Gaoyou Sag,North Jiangsu Basin[J].Petroleum Geology&Experiment,2016,38(1):23-31.
[5]刘金萍,简晓玲,王改云,等.北黄海盆地上侏罗统烃源岩测井评价[J].断块油气田,2017,24(6):745-749.LIU Jinping,JIAN Xiaoling,WANG Gaiyun,et al.Logging evaluation of Upper Jurassic source rocks in North Yellow Sea Basin[J].Fault-Block Oil and Gas Field,2017,24(6):745-749.
[6]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.
[7]夏在连.下扬子黄桥地区上古生界油气成藏研究[J].石油实验地质,2011,33(5):505-508.XIA Zailian.Petroleum accumulation in Upper Paleozoic Huangqiao region Lower Yangtze Basin[J].Petroleum Geology&Experiment,2011,33(5):505-508.
[8]李建青,蒲仁海,武岳,等.江苏黄桥地区龙潭组沉积相与有利储层预测[J].石油实验地质,2012,34(4):395-399.LI Jianqing,PU Renhai,WU Yue,et al.Sedimentary characteristics and favorable reservoir prediction of Longtan Formation in Huangqiao area,Jiangsu province[J].Petroleum Geology&Experiment,2012,34(4):395-399.
[9]夏在连,史海英,王馨.下扬子盆地黄桥地区构造演化[J].内蒙古石油化工,2010,36(12):137-139.XIA Zailian,SHI Haiying,WANG Xin.Tectonic of Huangqiao in Lower Yangtze Basin[J].Inner Mongulia Petrochemical Industry,2010,36(12):137-139.
[10]俞昊.下扬子黄桥地区龙潭组高CO2油藏成藏模式[J].海洋地质前沿,2015,31(4):21-27.YU Hao.A preliminary study of accumulation model for high CO2oilfield in Longtan Formation Huangqiao region,Lower Yangtze Basin[J].Marine Geology Frontiers,2015,31(4):21-27.
[11]徐楠,徐曦,周波,等.下扬子区新生代构造变形物理模拟及其主控因素[J].石油实验地质,2017,39(3):409-416.XU Nan,XU Xi,ZHOU Bo,et al.Physical simulation of Cenozoic tectonic deformation in the Lower Yangtze region and its main controlling factors[J].Petroleum Geology&Experiment,2017,39(3):409-416.
[12]罗开平,黄泽光,吕俊祥,等.下扬子区海相盆地改造与成藏关键要素[J].石油实验地质,2016,38(6):713-720.LUO Kaiping,HUANG Zeguang,LJunxiang,et al.Marine basin reformations and accumulation factors in Lower Yangtze region[J].Petroleum Geology&Experiment,2016,38(6):713-720.
[13]曾萍.G78区域大剖面综合解释与苏北盆地构造特征[J].石油天然气学报,2007,29(3):82-86.ZENG Ping.G78 regional profiles interpretation and Subei Basin tectonic characteristics[J].Journal of Oil and Gas Technology,2007,29(3):82-86.
[14]丁道桂,罗开平,刘光祥,等.下扬子区伸展拆离构造[J].石油实验地质,2016,38(1):1-8.DING Daogui,LUO Kaiping,LIU Guangxiang,et al.Extensional detachment structures in the Lower Yangtze region[J].Petroleum Geology&Experiment,2016,38(1):1-8.
[15]束宁凯,吴林,汪新文,等.苏北盆地高邮凹陷基底先存断裂成因及其对新生断裂的控制[J].石油实验地质,2017,39(1):8-14.SHUNingkai,WULin,WANGXinwen,etal.Origin of pre-existing basement faults and their controls on new fault formation in Gaoyou Sag,Subei Basin[J].Petroleum Geology&Experiment,2017,39(1):8-14.
[16]佘晓宇,徐宏节,何治亮.江苏下扬子区中、古生界构造特征及其演化[J].石油与天然气地质,2004,25(2):226-230.SHE Xiaoyu,XU Hongjie,HE Zhiliang.Tectonic characteristics and evolution of Mesozoic and Paleozoic in Lower Yangtze region,Jiangsu[J].Oil&Gas Geology,2004,25(2):226-230.
[17]袁勇,陈建文,梁杰,等.海陆对比看南黄海海相中—古生界的生储盖组合特征[J].石油实验地质,2017,39(2):195-202.YUAN Yong,CHEN Jianwen,LIANG Jie,et al.Source-reservoirseal assemblage of marine Mesozoic-Paleozoic in South Yellow Sea Basin by land-ocean comparison[J].Petroleum Geology&Experiment,2017,39(2):195-202.
[18]简晓玲,万晓明,杜民.北黄海盆地东部坳陷中新生代构造样式[J].地质学刊,2016,40(2):314-319.JIAN Xiaoling,WAN Xiaoming,DU Min.The Meso-Cenozoic structural styles of the eastern depression in the North Yellow Sea Basin[J].Journal of Geology,2016,40(2):314-319.