低物源供给模式下沟谷—坡折体系控砂机制——以车排子凸起东翼白垩系呼图壁组为例
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摘要
为明确车排子凸起东翼白垩系呼图壁组砂体分布的控制因素,在古地貌恢复基础上,综合利用测井、录井及三维地震资料,以沉积学和层序地层学理论为指导,探讨低物源供给模式下沟谷—坡折体系对砂体分布的控制作用。结果表明:在低物源供给模式下,研究区发育扇三角洲及滨浅湖滩坝两种成因砂体。扇三角洲砂体规模局限,主要充填于低位域时期形成的古沟谷;滨浅湖厚层坝砂在平面上的展布与坡折带的走向趋于一致,在垂向上主要发育于湖侵域及高位域早期。该成果对物源供给不足地区坡折带的储层预测具有指导意义。
In order to clarify the control factors of sandbody distribution in Hutubi Formation of Cretaceous in the eastern wing of the Chepaizi Uplift,guided by the theories of sedimentology and sequence stratigraphy and using drilling,logging and 3 Dseismic data,the controlling effect of valley-slope break system on sandbody distribution under low source supply mode is discussed based on the restoration of paleo-geomorphology.The results show that there are two kinds of sandbodies in the study area:fan delta sandbody and beach bar sandbody.The fan delta sandbody is limited in size and is mainly filled in the paleogranes formed in the low system tract.On the whole,the distribution direction of bar sandbody on the plane tends to be consistent with the trend of slope break zone,and mainly develops in the transgressive system tract and the early stage of high system tract in the vertical direction.The research results enrich the theory of sand-controlling in valley-slope break system and have positive guiding significance for reservoir prediction of valley-slope break system in areas with insufficient source supply.
In order to clarify the control factors of sandbody distribution in Hutubi Formation of Cretaceous in the eastern wing of the Chepaizi Uplift,guided by the theories of sedimentology and sequence stratigraphy and using drilling,logging and 3 Dseismic data,the controlling effect of valley-slope break system on sandbody distribution under low source supply mode is discussed based on the restoration of paleo-geomorphology.The results show that there are two kinds of sandbodies in the study area:fan delta sandbody and beach bar sandbody.The fan delta sandbody is limited in size and is mainly filled in the paleogranes formed in the low system tract.On the whole,the distribution direction of bar sandbody on the plane tends to be consistent with the trend of slope break zone,and mainly develops in the transgressive system tract and the early stage of high system tract in the vertical direction.The research results enrich the theory of sand-controlling in valley-slope break system and have positive guiding significance for reservoir prediction of valley-slope break system in areas with insufficient source supply.
引文
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[18]王冠民,高亮,林旭梅,等.东营凹陷南斜坡沙四段高频沉积旋回对滩坝砂体的沉积控制作用[J]地球科学与环境学报,2008,30(1):44-48.WANG Guanmin,GAO Liang,LIN Xumei,et al.High frequency cycles and it's control action to lacustrine shoal-bar in the 4th member of Shahejie Formation in southern slope of Dongying Depression[J].Journal of Earth Sciences and Environment,2008,30(1):44-48.
[19]邹灵.东营凹陷南部缓坡带沙四段滩坝砂储层分布及成藏主控因素[J].油气地质与采收率,2008,15(2):34-36.ZOU Ling.Reservoir distribution and main factors influencing hydrocarbon accumulation of beach-bar sandstone in the Sha4of Shahejie Formation,gentle slope belt,Dongying Depression[J].Petroleum Geology and Recovery Efficiency,2008,15(2):34-36.
[20]李相博,刘化清,陈启林,等.大型坳陷湖盆沉积坡折带特征及其对砂体与油气的控制作用:以鄂尔多斯盆地三叠系延长组为例[J].沉积学报,2010,28(4):718-729.LI Xiangbo,LIU Huaqing,CHEN Qilin,et al.Characteristics of slope break belt in large depression lacustrine basin and its controlling effect on sandbody and petroleum:taking the Triassic Yanchang Formation in the Ordos Basin as an example[J].Acta Sedimentologica Sinica,2010,28,(4):718-729.
[21]秦国省,胡文瑞,邹存友,等.基准面旋回对冲积扇沉积演化及储层质量的控制作用:以百口泉油田百21井区百口泉组为例[J].油气地质与采收率,2018,25(3):1-10.QIN Guosheng,HU Wenrui,ZOU Cunyou,et al.Effects of base-level cycles on alluvial fan evolution and reservoir quality:a case study of the Baikouquan Formation in Bai21block,Baikouquan Oilfield[J].Petroleum Geology and Recovery Efficiency,2018,25(3):1-10.
[22]沈吉,薛滨,吴敬禄,等.湖泊沉积与环境演化[M].北京:科学出版社,2010:21-22.SHEN Ji,XUE Bin,WU Jinglu,et al.Lake deposition and environmental evolution[M].Beijing:Science Press,2010:21-22.
[2]LEVORSEN A I.The obscure and subtle trap[J].AAPG Bull,1966,50(10):2058-2067.
[3]HALBOUTY M T.The deliberate search for the subtle trap[J].AAPG Memoir,1982,32(3):1-8.
[4]周心怀,王德英,张新涛.渤海海域石臼坨凸起两个亿吨级隐蔽油气藏勘探实践与启示[J].中国石油勘探,2016,21(4):30-37.ZHOU Xinhuai,WANG Deying,ZHANG Xintao.Two 100million-ton class subtle reservoirs in Shijiutuo Uplift,Bohai Sea exploration practices and enlightenments[J].China Petroleum Exploration,2016,21(4):30-37.
[5]张善文,李群,王英民.应用坡折带理论寻找隐蔽油气藏[J].石油勘探与开发,2003,30(3):5-7.ZHANG Shanwen,LI Qun,WANG Yingmin.Searching subtle traps using the theory of slope break[J].Petroleum Exploration and Development,2003,30(3):5-7.
[6]谭建财,范彩伟,宋鹏,等,琼东南盆地中中新统古沟谷和坡折带特征及油气勘探意义[J].油气地质与采收率,2017,24(3):30-43.TAN Jiancai,FAN Caiwei,SONG Peng,et al.Characteristics of the mid-Miocene paleo ravine-slope break zones in Qiongdongnan Basin and its significance for oil-gas exploration[J].Petroleum Geology and Recovery Efficiency,2017,24,(3):30-43.
[7]耳闯,王英民,刘豪,等.准噶尔盆地克—百地区中二叠统坡折带与岩性地层圈闭的关系[J].高校地质学报,2008,14(2):147-156.ER Chuang,WANG Yingmin,LIU Hao,et al.The relation between slope-break belts and lithological stratigraphic traps in Middle Permian in Ke-Bai Area,Junggar Basin[J].Geological Journal of China Universities,2008,14(2):147-156.
[8]林畅松,郑和荣,任建业,等.渤海湾盆地东营、沾化凹陷早第三纪同沉积断裂作用对沉积充填的控制[J].中国科学(D辑:地球科学),2003,33(11):1025-1036.LIN Changsong,ZHENG Herong,Ren Jianye,et al.Syndepositional faults on sedimentary filling control in Paleogene of Zhanhua Depression and Dongying in Bohai Bay Basin[J].Science in China(Series D:Earth Science),2003,33(11):1025-1036.
[9]赵忠新,王华,陆永潮.断坡带对沉积体系的控制作用:以琼东南盆地为例[J].石油勘探与开发,2003,30(1):25-27.ZHAO Zhongxin,WANG Hua,LU Yongchao.Controlling role of fault-break zones on sedimentary system:taking Qiongdongnan Basin as an example[J].Petroleum Exploration and Development,2003,30(1):25-27.
[10]王千军.准噶尔盆地车排子地区白垩系沉积特征及演化[J].东北石油大学学报,2015,39(2):51-58.WANG Qianjun.Deposition characteristics and evolution of the Cretaceous system of Chepaizi Area in Junggar Basin[J].Journal of Northeast Petroleum University,2015,39(2):51-58.
[11]万青青,刘洛夫,肖飞,等.准噶尔盆地车排子地区下侏罗统八道湾组砂岩储层成岩作用与孔隙演化[J].东北石油大学学报,2017,41(1):21-32.WAN Qingqing,LIU Luofu,XIAO Fei,et al.Diagenesis and porosity evolution of sandstone reservoir in the Lower Jurassic Badaowan Formation in Chepaizi Area,Junggar Basin[J].Journal of Northeast Petroleum University,2017,41(1):21-32.
[12]杨烨,何中波.准噶尔盆地中新生代古气候演化特征及对砂岩型铀成矿作用的制约[J].世界核地质科学,2016,33(3):140-145.YANG Ye,HE Zhongbo.Characteristics of Mesozoic-Cenozoic paleoclimate evolution and its constraint on mineralization of sandstone type uranium deposit in Junggar Basin,Xinjiang,China[J].World Nuclear Geoscience,2016,33(3):140-145.
[13]杨勇,陈世悦,向奎,等.准噶尔盆地西北缘车排子地区下白垩统层序地层与沉积演化[J].中国石油大学学报(自然科学版),2011,35(5):20-26.YANG Yong,CHEN Shiyue,XIANG Kui,et al.Sequence stratigraphy and sedimentary evolution of lower Cretaceous series in Chepaizi Area northweastren margin of Junggar Basin[J].Journal of China University of Petroleum(Edition of Natural Science),2011,35(5):20-26.
[14]匡立春,雷德文,唐勇,等.准噶尔盆侏罗—白垩系沉积特征和岩性地层油气藏[M].北京:石油工业出版社,2013:16-18.KUANG Lichun,LEI Dewen,TANG Yong,et al.Thesedmentary characteristics and lithostratigraphic reservoir of Jurassic-Cretaceous in Junggar Basin[M].Beijing:Petroleum Industry Press,2013:16-18.
[15]刘晖,操应长,徐涛玉,等.沉积坡折带控砂的模拟实验研究[J].山东科技大学学报(自然科学版),2007,26(1):34-37.LIU Hui,CAO Yingchang,XU Taoyu,et al.The simulation experiment about the control of sandy body in depositional slope break belt[J].Journal of Shandong University of Science and Technology(Natural Science Edition),2007,26(1):34-37.
[16]向奎.准噶尔盆地车排子地区下切谷沉积体系及有利勘探方向[J].中国石油大学学报(自然科学版),2007,31(6):1-6.XIANG Kui.Entrenched valley depositional system and advantageous exploration direction of Chepaizi Area in Junggar Basin[J].Journal of China University of Petroleum(Edition of Natural Science),2007,31(6):1-6.
[17]刘桂珍,鲍志东,王英民,等.松辽盆地西斜坡沟谷—坡折带特征及其对储层分布的控制[J].中国石油大学学报(自然科学版),2008,32(6):12-16.LIU Guizhen,BAO Zhidong,WANGYingmin,et al.Characteristics of valley-slope break zone in the western slope of Songliao Basin and its control over reservoir distribution[J].Journal of China University of Petroleum((Edition of Natural Science)),2008,32(6):12-16.
[18]王冠民,高亮,林旭梅,等.东营凹陷南斜坡沙四段高频沉积旋回对滩坝砂体的沉积控制作用[J]地球科学与环境学报,2008,30(1):44-48.WANG Guanmin,GAO Liang,LIN Xumei,et al.High frequency cycles and it's control action to lacustrine shoal-bar in the 4th member of Shahejie Formation in southern slope of Dongying Depression[J].Journal of Earth Sciences and Environment,2008,30(1):44-48.
[19]邹灵.东营凹陷南部缓坡带沙四段滩坝砂储层分布及成藏主控因素[J].油气地质与采收率,2008,15(2):34-36.ZOU Ling.Reservoir distribution and main factors influencing hydrocarbon accumulation of beach-bar sandstone in the Sha4of Shahejie Formation,gentle slope belt,Dongying Depression[J].Petroleum Geology and Recovery Efficiency,2008,15(2):34-36.
[20]李相博,刘化清,陈启林,等.大型坳陷湖盆沉积坡折带特征及其对砂体与油气的控制作用:以鄂尔多斯盆地三叠系延长组为例[J].沉积学报,2010,28(4):718-729.LI Xiangbo,LIU Huaqing,CHEN Qilin,et al.Characteristics of slope break belt in large depression lacustrine basin and its controlling effect on sandbody and petroleum:taking the Triassic Yanchang Formation in the Ordos Basin as an example[J].Acta Sedimentologica Sinica,2010,28,(4):718-729.
[21]秦国省,胡文瑞,邹存友,等.基准面旋回对冲积扇沉积演化及储层质量的控制作用:以百口泉油田百21井区百口泉组为例[J].油气地质与采收率,2018,25(3):1-10.QIN Guosheng,HU Wenrui,ZOU Cunyou,et al.Effects of base-level cycles on alluvial fan evolution and reservoir quality:a case study of the Baikouquan Formation in Bai21block,Baikouquan Oilfield[J].Petroleum Geology and Recovery Efficiency,2018,25(3):1-10.
[22]沈吉,薛滨,吴敬禄,等.湖泊沉积与环境演化[M].北京:科学出版社,2010:21-22.SHEN Ji,XUE Bin,WU Jinglu,et al.Lake deposition and environmental evolution[M].Beijing:Science Press,2010:21-22.
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