济阳坳陷车15井区沙三下浊积扇沉积特征及分布格局
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摘要
根据岩心、地震、测/录井资料,在济阳坳陷车镇凹陷车15井区的沙三下砂砾体中识别出滑塌浊积扇和深水浊积扇.其中,车57井以粒度偏细且有根的深水浊积扇与深湖相互层为特色,车古25井以具水道补给的(有根的)滑塌浊积扇为特色.平面上,自北而南顺水道方向由陆向湖盆中心,依次分布着近岸水下扇、深水浊积扇或滑塌浊积扇、深湖亚相,两类扇体沿主构造线串珠状排列,包裹于大片的深湖相中,呈现"深湖包扇"的沉积格局.不同时期两类扇的演化不同:无根的滑塌浊积扇在第1期最为发育;第5期发生了湖平面上升,扇体范围明显缩小;第7期仅见有根的深水浊积扇与滑塌浊积扇,分布面积不大,但无根的滑塌浊积扇消失.
Based on core,seismic and well-logging data,the slide turbidity fan and deep-water turbidity fan are recognized from gravel sandstones in the lower third Member of Shahejie Formation in Che-15 wellblock.The interbeds of fine grain rooted deep-water turbidity fan with deep lacustrine facies are found from Che-57 well,and the rooted slide turbidity fan with water channel supplying is found from Chegu-25 well.The nearshore subaqueous fan,deep-water turbidity fan or slide turbidity fan,deep lacustrine subfacies distribute in turn along water channel from north to south.The two kinds of turbidity fans distribute along main tectonic orientation in the form of a string of beads,and they are encapsulated in deep lacustrine facies.The two kinds of turbidity fans have different evolution processes in different stages.No-root slide turbidity fan was the most developed in the first stage.The development range of turbidity fan reduced in the fifth stage.There developed rooted slide turbidity fan and rooted deep-water turbidity fan in the 7th stage,whose distribution area is not large,but the rootless slide turbidity fan disappeared.
Based on core,seismic and well-logging data,the slide turbidity fan and deep-water turbidity fan are recognized from gravel sandstones in the lower third Member of Shahejie Formation in Che-15 wellblock.The interbeds of fine grain rooted deep-water turbidity fan with deep lacustrine facies are found from Che-57 well,and the rooted slide turbidity fan with water channel supplying is found from Chegu-25 well.The nearshore subaqueous fan,deep-water turbidity fan or slide turbidity fan,deep lacustrine subfacies distribute in turn along water channel from north to south.The two kinds of turbidity fans distribute along main tectonic orientation in the form of a string of beads,and they are encapsulated in deep lacustrine facies.The two kinds of turbidity fans have different evolution processes in different stages.No-root slide turbidity fan was the most developed in the first stage.The development range of turbidity fan reduced in the fifth stage.There developed rooted slide turbidity fan and rooted deep-water turbidity fan in the 7th stage,whose distribution area is not large,but the rootless slide turbidity fan disappeared.
引文
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[25]饶孟余,钟建华,王海侨,等.山东东营牛庄洼陷沙三中亚段浊积砂体储层特征及影响因素[J].现代地质,2004,18(2):256-262.RAO Meng-yu,ZHONG Jian-hua,WANG Ha-qiao,et al.Reservoir characteristics and influence factors of the turbi-dite sandbody Shasan intermediate Member in the Ni-uzhuang Sag,Dongying depression,Shandong Province[J].Geosience,2004,18(2):256-262.
[26]张关龙,陈世悦,鄢继华.三角洲前缘滑塌浊积体形成过程模拟[J].沉积学报,2006,24(1):50-55.ZHANG Guan-long,CHEN Shi-yue,YAN Ji-hua.Simula-tion of luxoturbidite in front of delta[J].Acta Sedimento-logica Sinica,2006,24(1):50-55.
[2]范振峰.车西洼陷北带湖底扇成因机制及其勘探意义[J].新疆石油地质,2007,28(1):48-50.FAN Zhen-feng.The origin of sublacustrine fan and its significance for exploration in northern Chexi Sub-Sag,Jiyang Depression[J].Xinjiang Petroleum Geology,2007,28(1):48-50.
[3]郑和荣,林会喜,王永诗.埕岛油田勘探实践与认识[J].石油勘探与开发,2000,27(6):1-3.ZHENG He-rong,LIN Hui-xi,WANG Yong-shi.Practice and knowledge of exploration on Chengdao oil field[J].Petroleum Exploration and Development,2000,27(6):1-3.
[4]孟万斌,张善文,田波,等.沾化凹陷五号桩地区沙河街组三段浊流沉积特征及储集性能[J].石油与天然气地质,2007,28(4):504-510.MENG Wan-bin,ZHANG Shan-wen,TIAN Bo,et al.Dep-ositional characteristics and reservoir properties of turbi-dites in the3～(rd)member of Shahejie Formation in Wuhaozhuang area,eastern Zhanhua depression[J].Oil&Gas Geology,2007,28(4):504-510.
[5]LI Pi-long,ZHANG Shan-wen,XIAO Huan-qin,et al.Ex-ploration of subtle trap in Jiyang Depression[J].Petrole-um Science,2004,1(2):13-21.
[6]刘传虎.砂砾岩扇体发育特征及地震描述技术[J].石油物探,2001,40(1):64-72.LIU Chuan-hu.Features and seismic description of gluten-ite segment[J].Geophysical Prospecting for Petroleum,2001,40(1):64-72.
[7]袁静.济阳坳陷南部古近系洪水-漫湖沉积[J].中国地质,2005,32(4):655-662.YUAN Jing.Paleogene flooded lake sediments in the southern part of the Jiyang depression[J].Geology in China,2005,32(4):655-662.
[8]吴崇筠.湖盆砂体类型[J].沉积学报,1986,4(4):1-24.WU Chong-jun.Sand-body types of lacustrine basin[J].Acta Sedimentologica Sinica,1986,4(4):1-24.
[9]韦东晓,田景春,倪新锋.湖相浊积砂体沉积特征及油气勘探意义[J].油气地质与采收率,2006,13(5):15-17.WEI Dong-xiao,TIAN Jing-chun,NI Xin-feng.Sedimeng-tary characteristics of lacustrine turbidite sand body and its significances on petroleum exploration[J].Petroleum Geology and Recovery Efficiency,2006,13(5):15-17.
[10]张萌,田景春.“近岸水下扇”的命名、特征及其储集性[J].岩相古地理,1999,19(4):42-52.ZHANG Meng,TIAN Jing-chun.The nomenclature,sedi-mentary characteristics and Reservoir potential of near-shore subaqueous fan[J].Sedimentary Facies and Palaeo-geography,1999,19(4):42-52.
[11]李丕龙,张善文,宋国奇,等.济阳成熟探区非构造油气藏深化勘探[J].石油学报,2003,24(5):10-15.LI Pi-long,ZHANG Shan-wen,SONG Guo-qi,et al.Explo-ration potential of nonstructural pools in th matured acre-age of Jiyang District[J].Acta Petrolei Sinica,2003,24(5):10-15.
[12]王永诗,鲜本忠.车镇凹陷北部陡坡带断裂结构及其对沉积和成藏的控制[J].油气地质与采收率,2006,13(6):5-8.WANG Yong-shi,XIAN Ben-zhong.Fault structures of northern steep belts and their influences on sedimentation and reservoir formation in Chezhen Sag[J].Petroleum Ge-ology and Recovery Efficiency,2006,13(6):5-8.
[13]张善文,隋风贵,王永诗.济阳坳陷下第三系陡岸沉积模式[J].沉积学报,2001,19(2):219-223.ZHANG Shan-wen,SUI Feng-gui,WANG Yong-shi.Sedimentaryl models on the steep slope of paleogene,Jiyang Basin[J].Acta Sedimentologica Sinica,2001,19(2):219-223.
[14]彭勇民,黄捍东.济阳坳陷车镇凹陷车66块沙三下段精细沉积相分析[J].现代地质,2007,27(4):18-23.PENG Yong-min,HUANG Han-dong.Fine analysis of sedimentary facies in the Lower Third Member of Shahejie Formation from Block Che-66 in Chezhen Sag,Jiyang Depression[J].Geoscience,2007,27(4):18-23.
[15]张俊,庞雄奇,陈冬霞,等.牛庄洼陷砂岩透镜体成藏特征及主控因素剖析[J].石油与天然气地质,2003,24(3):233-237.ZHANG Jun,PANG Xiong-qi,CHEN Dong-xia,et al.Pe-troleum accumulation mechanism and its main controlling factors of sand lens In Niuzhuang Subsag[J].Oil&Gas Geology,2003,24(3):233-237.
[16]肖焕钦,王宝言,陈宝宁,等.济阳坳陷陡坡带断裂控砂模式[J].油气地质与采收率,2002,9(5):20-22.XIAO Huan-qin,WANG Bao-yan,CHEN Bao-ning,et al.Fracture sand control pattern in actic region of Jiyang depression[J].Petroleum Geology and Recovery Efficiency,2002,9(5):20-22.
[17]施振生,朱筱敏,胡斌,等.济阳坳陷车镇凹陷古近系沙河街组遗迹化石Maca ronichnus(通心粉管迹)及其沉积环境[J].古地理学报,2004,16(12):207-215.SHI Zhen-sheng,ZHU Xiao-min,HU Bin,et al.Sedimentary environments of Maca ronichnus of the Shahejie Formation of Paleogene of Chezhen Sag in Jiyang Depression[J].Journal of Palaeogeography,2004,16(12):207-215.
[18]张家震,毕彩芹,王新峰,等.车镇凹陷石油地质特征及勘探远景[J].海洋石油,2005,26(3):6-10.ZHANG Jia-zhen,BI Cai-qin,WANG Xin-feng,et al.Petroleum and oil geology and exploratory prospect of Chezhen Sag[J].Ocean geology,2005,26(3):6-10.
[19]朱光有,金强,张水昌.车镇凹陷下第三系沙河街组生烃系统研究[J].天然气工业,2006,26(3):19-22.ZHU Guang-you,JIN Qiang,ZHANG Shui-chang.Hydrocarbon generating system of eogene Shahejie Fm in Chezhen sag[J].Natural Gas industry,2006,26(3):19-22.
[20]陈清华,王秀玲.陆相断陷盆地“五扇一沟”的地震响应特征[J].特种油气藏,2007,14(1):15-19.CHEN Qing-hua,WANG Xiu-ling.Seismic characteristics of“five-fan one-channel turbidite”in continental rift ba-sin[J].Special Oil and Gas Reservoirs,2007,14(1):15-19.
[21]刘宪斌,万晓樵,林金逞,等.陆相浊流沉积体系与油气[J].地球学报,2003,24(1):61-66.LIU Xian-bin,WAN Xiao-qiao,LIN Jin-cheng,et al.Con-tinental turbidite deposition system and hydrocarbon[J].Acta Geosicientia Sinica,2003,24(1):61-66.
[22]牛富玲.现河地区滑塌浊积岩油藏勘探技术[J].断块油气田,2005,12(1):16-18.NIU Fu-ling.Explora tion technology of slump turbidite reservoir in Xianhe Zone[J].Fault Block Oil&Gas Field,2005,12(1):16-18.
[23]王居峰,郑和荣,苏法卿.东营凹陷中带沙河街组三段浊积体储层特征类型与成因[J].石油与天然气地质,2004,25(5):528-532.WANG Ju-feng,ZHENG He-rong,SU Fa-qing.Reservoir characteristics and genesis of turbidite fans in the3rd Member of Shahejie Formation in central Dongying depres-sion[J].Oil&Gas Geology,2004,25(5):528-532.
[24]郑荣才,文华国,韩永林,等.鄂尔多斯盆地白豹地区长6油层组湖底滑塌浊积扇沉积特征及其研究意义[J].成都理工学院学报,2006,33(6):566-575.ZHENG Rong-cai,WEN Hua-guo,HAN Yong-lin,et al.Discovery and significance of sublacustrine slump turbidite fans in Chang6oil-bearing formation of Baibao region in Ordos Basin,China[J].Journal of Chengdu University of Technology,2006,33(6):566-575.
[25]饶孟余,钟建华,王海侨,等.山东东营牛庄洼陷沙三中亚段浊积砂体储层特征及影响因素[J].现代地质,2004,18(2):256-262.RAO Meng-yu,ZHONG Jian-hua,WANG Ha-qiao,et al.Reservoir characteristics and influence factors of the turbi-dite sandbody Shasan intermediate Member in the Ni-uzhuang Sag,Dongying depression,Shandong Province[J].Geosience,2004,18(2):256-262.
[26]张关龙,陈世悦,鄢继华.三角洲前缘滑塌浊积体形成过程模拟[J].沉积学报,2006,24(1):50-55.ZHANG Guan-long,CHEN Shi-yue,YAN Ji-hua.Simula-tion of luxoturbidite in front of delta[J].Acta Sedimento-logica Sinica,2006,24(1):50-55.
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