红河深水扇沉积物重力流特征
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摘要
依据地震、岩心和测井资料,通过唯一钻遇红河深水扇的YC35井的岩心观察与描述,对红河深水扇沉积物重力流沉积特征进行研究,并与典型的沉积模式相比较,确定红河深水扇的沉积物重力流类型。结果表明:YC35井岩心沉积物为半深海环境下的重力流沉积;红河深水扇发育多种沉积物重力流类型,包括碎屑流、颗粒流、液化流以及浊流等,它们在纵向上相互叠置;红河深水扇属于富砂型深水扇,储层发育,这为红河深水扇的油气勘探奠定了物质基础。
The characteristics of sediment-gravity flows of the Red River deep-water fan were researched by core observation and description of well YC35 according to seismic,cores and logging data of study area.Well YC35 was the only well drilling the Red River deep-water fan.The types of sediment-gravity flows of the Red River deep-water fan were determined compared with the typical sedimentation model.The results indicate that the core sediments from well YC35 were the deposition of sediment-gravity flows in bathyal environment.And several types of sediment-gravity flows were developed in Red River deep-water fan,including debris flows,grain flows,liquified flows and turbidity currents,which overlaid on each other.Red River deep-water fan belongs to the sand-rich fan type,and reservoir developed in this area,which laid the material foundation for the oil and gas exploration.
The characteristics of sediment-gravity flows of the Red River deep-water fan were researched by core observation and description of well YC35 according to seismic,cores and logging data of study area.Well YC35 was the only well drilling the Red River deep-water fan.The types of sediment-gravity flows of the Red River deep-water fan were determined compared with the typical sedimentation model.The results indicate that the core sediments from well YC35 were the deposition of sediment-gravity flows in bathyal environment.And several types of sediment-gravity flows were developed in Red River deep-water fan,including debris flows,grain flows,liquified flows and turbidity currents,which overlaid on each other.Red River deep-water fan belongs to the sand-rich fan type,and reservoir developed in this area,which laid the material foundation for the oil and gas exploration.
引文
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[13]苏明,李俊良,姜涛,等.琼东南盆地中央峡谷的形态及成因[J].海洋地质与第四纪地质,2009,29(4):86-92.SU Ming,LI Jun-liang,JIANG Tao,et al.Morphologi-cal features and formation mechanism of central canyonin the Qiongdongnan basin,northern south China Sea[J].Marine Geology&Quaternary Geology,2009,29(4):86-92.
[14]李杰,林畅松,陈平富.琼东南盆地莺歌海组—黄流组海平面变化与层序年代地层[J].地质论评,1999,45(5):515-520.LI Jie,LIN Chang-song,CHEN Ping-fu.Sea LevelChange and Sequence chronostra-tigraphy of the Yingge-hai-Huangliu Formation in the Qiongdongnan Basin[J].Geological Review,1999,45(5):515-520.
[15]BOUMA A H,DEVRIES M B,STONE C G.Reinter-pretation of depositional processes in a classic flysch se-quence(Pennsylvanian Jackfork Group),OuachitaMountains,Arkansasand Oklahoma:Discussion[J].AAPG Bulletin,1997,81(3):470-472.
[16]张兴阳,罗顺社,何幼斌.沉积物重力流深水牵引流沉积组合鲍玛序列多解性探讨[J].江汉石油学院学报,2001,23(1):1-5.ZHANG Xing-yang,LUO Shun-she,HE You-bin.De-posit assemblage of gravity flow and traction current indeep wate—a Study of the multiple interpretation of theBouma sequence[J].Journal of Jianghan Petroleum In-stitute,2001,23(1):1-5.
[17]MIDDLETON G V,HAMPTON M A.Turbidites anddeep-water sedimentation[M].United States:PacificSection SEPM publication,1973:1-38.
[18]MIDDLETON G V,HAMPTON M A.Marine SedimentTransport and Environmental Management[M].NewYork:John Wiley,1976:197-218.
[19]WALKER R G.Deep water sandstone facies and ancientsubmarine fans;models for exploration for stratigraphictraps[J].AAPG Bull.,1978,62(6):932-966.
[20]MUTTI E,TINTERRI R,REMACHA E,et al.An in-troduction to the analysis of ancient turbidite basins froman outcrop perspective[M].United States:The Educa-tion Department of the AAPG,1999:39-61.
[21]LOWE D R.Grain flows and grain flow deposits[J].Journal of sedimentary petrology,1976,46(2):188-199.
[22]LOWE D R.Sediment gravity flowⅡ:depositionalmodels with special reference to the deposits of high-density turbidity currents[J].Jour Sedi Petrol,1982,52(1):279-297.
[2]BOUMA A H.Sedimentology of some flysch deposits:agraphic approach to facies interpretation[M].Amster-dam:Elsevier Pub Co,1962:168.
[3]WALKER R G.Turbidites and submarine fans[C]//WALKER R G,JAMES N P.Facies models:responseto sea level change.Canada:Geological Association ofCanada,1992:239-263.
[4]WALKER R G.Facies,facies models,and modern stra-tigraphic concepts[C]//WALK ER R G,JAMES N P.Facies models:response to sea level change.Canada:Ge-ological Association of Canada,1992:1-14.
[5]韩小锋,陈世悦,刘宝鸿,等.深水沉积特征研究现状及展望[J].特种油气藏,2008,15(2):1-6.HAN Xiao-feng,CHEN Shi-yue,LIU Bao-hong,et al.Present research status and forecast about deep-water dep-osition[J].Special Oil&Gas Reservoirs,2008,15(2):1-6.
[6]朱伟林,张功成,高乐.南海北部大陆边缘盆地油气地质特征与勘探方向[J].石油学报,2008,19(1):1-9.ZHU Wei-lin,ZHANG Gong-cheng,GAO Le.Geologicalcharacteristics and exploration objectives of hydrocarbonsin the northern continental margin basin of South ChinaSea[J].Acta Petrolei Sinica,2008,19(1):1-9.
[7]龚再升,李思田,谢泰俊,等.南海北部大陆边缘盆地分析与油气聚集[M].北京:科学出版社,1997.
[8]龚再升.中国近海含油气盆地新构造运动和油气成藏[J].石油与天然气地质,2004,25(2):133-138.GONG Zai-sheng.Neotectonic movement and hydrocar-bon accumulation in petroliferous basins,offshore China[J].Oil&Gas Geology,2004,25(2):133-138.
[9]何家雄,夏斌,孙东山,等.南海北部琼东南盆地油气成藏组合及运聚规律与勘探方向分析[J].石油勘探与开发,2006,33(1):53-58.HE Jia-xiong,XIA Bin,SUN Dong-shan,et al.Hydro-carbon accumulation,migration and play targets in theQiongdongnan Basin,South China Sea[J].Petroleum Ex-ploration and Development,2006,33(1):53-58.
[10]何家雄,夏斌,王志欣,等.南海北部边缘盆地西区油气运聚成藏规律与勘探领域及方向[J].石油学报,2006,27(4):12-18.HE Jia-xiong,XIA Bin,WANG Zhi-xin,et al.Hydro-carbon accumulation and exploratory orientation in thewestern marginal basin of the northern South China Sea[J].Acta Petrolei Sinica,2006,27(4):12-18.
[11]何家雄,夏斌,施小斌,等.世界深水油气勘探进展与南海深水油气勘探前景[J].天然气地球科学,2006,17(6):748-752.HE Jia-xiong,XIA Bin,SHI Xiao-bin,et al.Prospectand progress for oil and gas in deep waters of the world,and the potential and prospect foreground for oil and gasin deep waters of the South China Sea[J].Natural GasGeoscience,2006,17(6):748-752.
[12]何家雄,施小斌,夏斌,等.南海北部边缘盆地油气勘探现状与深水油气资源前景[J].地球科学进展,2007,22(3):261-270.HE Jia-xiong,SHI Xiao-bin,XIA Bin,et al.The satusof the petroleum exploration in the northern South ChinaSea and the resource potential in the deep-water areas[J].Advances in Earth Science,2007,22(3):261-270.
[13]苏明,李俊良,姜涛,等.琼东南盆地中央峡谷的形态及成因[J].海洋地质与第四纪地质,2009,29(4):86-92.SU Ming,LI Jun-liang,JIANG Tao,et al.Morphologi-cal features and formation mechanism of central canyonin the Qiongdongnan basin,northern south China Sea[J].Marine Geology&Quaternary Geology,2009,29(4):86-92.
[14]李杰,林畅松,陈平富.琼东南盆地莺歌海组—黄流组海平面变化与层序年代地层[J].地质论评,1999,45(5):515-520.LI Jie,LIN Chang-song,CHEN Ping-fu.Sea LevelChange and Sequence chronostra-tigraphy of the Yingge-hai-Huangliu Formation in the Qiongdongnan Basin[J].Geological Review,1999,45(5):515-520.
[15]BOUMA A H,DEVRIES M B,STONE C G.Reinter-pretation of depositional processes in a classic flysch se-quence(Pennsylvanian Jackfork Group),OuachitaMountains,Arkansasand Oklahoma:Discussion[J].AAPG Bulletin,1997,81(3):470-472.
[16]张兴阳,罗顺社,何幼斌.沉积物重力流深水牵引流沉积组合鲍玛序列多解性探讨[J].江汉石油学院学报,2001,23(1):1-5.ZHANG Xing-yang,LUO Shun-she,HE You-bin.De-posit assemblage of gravity flow and traction current indeep wate—a Study of the multiple interpretation of theBouma sequence[J].Journal of Jianghan Petroleum In-stitute,2001,23(1):1-5.
[17]MIDDLETON G V,HAMPTON M A.Turbidites anddeep-water sedimentation[M].United States:PacificSection SEPM publication,1973:1-38.
[18]MIDDLETON G V,HAMPTON M A.Marine SedimentTransport and Environmental Management[M].NewYork:John Wiley,1976:197-218.
[19]WALKER R G.Deep water sandstone facies and ancientsubmarine fans;models for exploration for stratigraphictraps[J].AAPG Bull.,1978,62(6):932-966.
[20]MUTTI E,TINTERRI R,REMACHA E,et al.An in-troduction to the analysis of ancient turbidite basins froman outcrop perspective[M].United States:The Educa-tion Department of the AAPG,1999:39-61.
[21]LOWE D R.Grain flows and grain flow deposits[J].Journal of sedimentary petrology,1976,46(2):188-199.
[22]LOWE D R.Sediment gravity flowⅡ:depositionalmodels with special reference to the deposits of high-density turbidity currents[J].Jour Sedi Petrol,1982,52(1):279-297.
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