收稿日期: 2017-04-19
修回日期: 2017-08-13
网络出版日期: 2017-10-10
基金资助
国家科技重大专项子课题(编号：2016ZX05026-007-05)；国家自然科学基金(编号：41372134)；兰州油气资源研究中心“十三五”创新基金(编号：135CCJJ20160504)；甘肃省油气资源研究重点实验室开放基金(编号：SZDKFJJ20160602)联合资助.
Deposition system and formation mechanism of deepwater channel in Baiyun deepwater area，Pearl River Mouth Basin
Received date: 2017-04-19
Revised date: 2017-08-13
Online published: 2017-10-10
深水水道沉积是深水油气勘探开发中重要的沉积类型。利用高分辨率三维地震、钻测井等资料，通过地震资料综合解释和地质分析，对南海北部白云深水区珠江组上段发育的大型深水水道的展布特征及成因模式进行识别、刻画和预测。研究认为，该体系近SN向展布，具低弯度蛇曲形态，体系内发育3类深水重力流沉积单元，其中块体搬运沉积发育于白云凹陷东北端，呈丘状外形、内部杂乱反射特征，底部发育侵蚀擦痕；水道为体系主体搬运通道，按成因可分为侵蚀型、侵蚀/加积型和加积型，受控于物源供给及古地貌特征，具“上下分期，南北分段”发育特征，为典型的复合水道沉积构型，复合水道内叠置迁移关系复杂；位于水道前端的朵体发育于荔湾凹陷南部，剖面上表现为强振幅平行—亚平行反射，在平面上具有朵状特征。从古水深、古地形、触发机制及古源头沉积体系等方面综合分析，探讨了该深水水道体系的成因模式，推测古珠江三角洲为其主力物源，东沙隆起碳酸盐岩沉积为次级物源。这一研究对研究深水重力流沉积过程具有重要的参考价值。
王琪，田兵，马晓峰，牟炜卫，高丽华 . 珠江口盆地白云深水区深水水道沉积体系及成因模式[J]. 天然气地球科学, 2017 , 28(10) : 1497 -1505 . DOI: 10.11764/j.issn.1672-1926.2017.08.003
Deepwater channel deposits are one of the main depositional types in petroleum exploration and development.Based on high-resolution 3D seismic data，logging data and drilling data，a deepwater channel system was discovered in the Zhujiang Formation，Baiyun deepwater area，and the distribution character and genetic model of the system were identified by integrated with geological analysis and geophysical data interpretation.This system is NS-trending in a low sinuosity meandering form，and three types of deepwater gravity-flow deposits were identified，i.e.mass-transport，channel-levee complex and lobate deposits.The mass-transport deposit is developed in the northeast of Baiyun Sag，and has dome shaped appearance，internal chaotic seismic reflection with basal erosion scratches.The channel-levee complex deposit is the main pathway of the deepwater fan system，and can be classified as erosion，erosion/accretion and aggradations according to the origin.The channel deposit has the development feature of generation and segment controlled by source and geomorphology characteristics，and is a typical turbidite channel complexes configuration within complex superposition and migration relations.The lobate deposit which is located in the front of the channel is developed in the south of the Liwan Sag，and comes in a lobe-like shape on plane within a high-amplitude parallel to sub-parallel seismic reflection.And then the genetic model of the deepwater channel system was discussed by integrated with the ancient water depth，palaeotopography，triggering mechanism and the ancient source.The ancient Pearl River delta was speculated as its main source，and the carbonate deposition of Dongsha Massif as a secondary source.The research is of the theoretic significance in studying various depositional processes of deepwater gravity flow.
［1］Mann P，Horn M，Cross I.Tectonic Setting of 79 Giant Oil and Gas Fields Discovered from 2000-2007：Implications for Future Discovery Trends[C].Long Beach，California：AAPG，Annual Convention，2007.
[2]Wu Shiguo，Yuan Shengqiang.Advance of exploration and petroleum geological features of deep-water hydrocarbon in the world[J].Natural Gas Geoscience，2005，16(6)：693-699.[吴时国，袁圣强.世界深水油气勘探进展与我国南海深水油气前景[J].天然气地球科学，2005，16(6)：693-699.]
[3]He Jiaxiong，Xia Bin，Shi Xiaobin，et al.Prospect and progress for oil and gas in deep-waters of the world，and the potential and prospect foreground for oil and gas in deep-waters of the South China Sea[J].Natural Gas Geoscience，2006，17(6)：747-752.[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)：747-752.]
[4]Popescu I，Lericolais G，Panin N，et al.Late Quaternary channel avulsions on the Danube deep-sea fan[J].Marine Geology，2001，179(1/2)：25-37.
[5]Shanmugam G.Deep-water Processes and Facies Models：Implications for Sandstone Petroleum Reservoirs[M].Amsterdam：Elsevier，2006.
[6]Zhu Weilin，Zhong Kai，Li Youchuan，et al.Characteristics of hydrocarbon accumulation and exploration of the northern South China Sea deep-water basins[J].Chinese Science Bulletin，2012，57(20)：1833-1841.[朱伟林，钟锴，李友川，等.南海北部深水区油气成藏与勘探[J].科学通报，2012，57(20)：1833-1841.]
[7]Pang Xiong，Chen Changmin，Peng Dajun，et al.The Pearl River Deep-water Fan System & Petroleum in South China Sea[M].Beijing：Science Press，2007：142-235.[庞雄，陈长民，彭大钧，等.南海珠江深水扇系统及油气[M].北京：科学出版社，2007：142-235.]
[8]Pang Xiong，Liu Baojun，Yan Chengzhi，et al.Some reviews on deep-water gravity-flow deposition in the northern South China Sea[J].Acta Oceanologica Sinca，2012，34(3)：114-119.[庞雄，柳保军，颜承志，等.关于南海北部深水中重力流沉积问题的讨论[J].海洋学报，2012，34(3)：114-119.]
[9]Li Shengli，Yu Xinghe，Liu Yumei，et al.Formation mechanism and pattern of deep-water fan with channel and lobe：A case study of the Zhujiang Formation in Liwan3-1 area，Baiyun Depression[J].Earth Science Frontiers，2012，19(2)：32-40.[李胜利，于兴河，刘玉梅，等.水道加朵体型深水扇形成机制与模式——以白云凹陷荔湾3-1地区珠江组为例[J].地学前缘，2012，19(2)：32-40.]
[10]Pang Xiong，Chen Changming，Peng Dajun，et al.Sequence stratigraphy of Pearl River deep-water fan system in the South China Sea[J].Earth Science Frontiers，2007，14(1)：220-229.[庞雄，陈长明，彭大钧，等.南海珠江深水扇系统的层序地层学研究[J].地学前缘，2007，14(1)：220-229.]
[11]Wu Jingfu，Zhang Gongcheng，Wang Pujun，et al.Geological response and forming mechanisms of 23.8Ma tectonic events in deepwater area of the Pearl River Mouth Basin in South China Sea[J].Earth Science：Journal of China University of Geoscience，2012，37(4)：655-664.[吴景富，张功成，王璞珺，等.珠江口盆地深水区23.8Ma构造事件地质响应及其形成机制[J].地球科学：中国地质大学学报，2012，37(4)：655-664.]
[12]Pang Xiong，Zhu Ming，Liu Baojun，et al.The mechanism of gravity flow deposition in Baiyun Sag deepwater area of the northern South China Sea[J].Acta Petrolei Sinica，2014，35(4)：646-653.[庞雄，朱明，柳保军，等.南海北部珠江口白云凹陷深水区重力流沉积机理[J].石油学报，2014，35(4)：646-653.]
[13]Liu Baojun，Shen Jun，Pang Xiong，et al.Characteristics of continental delta deposits in Zhuhai Formation of Baiyun Depression in Pearl River Mouth Basin[J].Acta Petrolei Sinica，2007，28(2)：49-56.[柳保军，申俊，庞雄，等.珠江口盆地白云凹陷珠海组浅海三角洲沉积特征[J].石油学报，2007，28(2)：49-56.]
[14]He Shibin，Zhang Gongcheng，Mi Lijun，et al.Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea[J].Acta Petrolei Sinica，2007，28(5)：51-56.[何仕斌，张功成，米立军，等.南海北部大陆边缘盆地深水区储层类型及沉积演化[J].石油学报，2007，28(5)：51-56.]
[15]Mi Lijun，Zhang Gongcheng，Shen Huailei，et al.Eocene-Lower Oligocene sedimentation characteristics of Baiyun Sag in the deepwater area of Pearl River Mouth Basin[J].Acta Petrolei Sinica，2008，9(1)：29-34.[米立军，张功成，沈怀磊，等.珠江口盆地深水区白云凹陷始新统—下渐新统沉积特征[J].石油学报，2008，9(1)：29-34.]
[16]Cross N E，Cunningham A，Cook R J，et al.Three-dimensional seismic geomorphology of a deep-water slope channel system：The sequeoia field，offshore west Nile Delta，Egypt[J].AAPG Bulletin，2009，93(81)：1063-1086.
[17]Weimei P，Slatt R M.Introduction to deepwater system[G]//Weimei P，Slatt R M.Introduction to the Petroleum Geology of Deep-water Setting.Tulsa：AAPG and Datapages，2007：149-170.
[18]Wang Hairong，Wang Yingmin，Qiu Yan，et al.The control of the multiple geomorphologic breaks of evolution of gravity flow dynamics in deep-water environment[J].Acta Geologica Sinica，2009，83(6)：812-819.[王海荣，王英民，邱燕，等.深水环境多级地貌坡折控制下的重力流动力学的演变[J].地质学报，2009，83(6)：812-819.]
[19]Posamentier H W，Kolla V.Seismic geomorphology and stratigraphy of depositional elements in deep-water settings[J].Journal of Sedimentary Research，2003，73(2)：367-388.
[20]Sun Q L，Wu S G，Ludmann T，et al.Geophysical evidence for cyclic sediment deposition on the southern slope of Qiongdongnan Basin，South China Sea[J].Marine Geophysical Research，2011，32(3)：415-428.
[21]Dott R H.Dynamics of subaqueous gravity depositional processes[J].AAPG Bulletin，1963，47：104-128.
[22]Shanmugam G.Deep-Water Processes and Facies Models：Implications for Sandstone Petroleum Reservoirs[M].Amsterdam：Elsevier，2006.
[23]Shanmugam G.New Perspectives on Deep-Water Sandstones：Origin，Recognition，Initiation，and Reservoir Quality[M].Amsterdam：Elsevier，2012.
[24]Li Xiangbo，Chen Qilin，Liu Huaqing，et al.Features of sandy debris flows of the Yanchang Formation in the Ordos Basin and its oil and gas exploration significance[J].Acta Geologica Sinica，2011，85(5)：1187-1202.
[25]Talling P J，Amy L A，Wynn R，et al.Beds comprising debrite sandwiched within co-genetic turbidite：Origin and widespread occurrence in distal depositional environments[J].Sedimentology，2004，51：163-194.
[26]Masson D G，Harbitz C B，Wynn R B，et al.Submarine landslides：Processes，triggers，and hazard prevention[J].Marine Geology，2006，289：2009-2019.
[27]Feeley K.Triggering mechanisms of submarine landslides[R].Boston：Department of Civil and Environmental Engineering，Northeastern University，2007.
[28]Shanmugam G.Process-sedimentological challenges in distinguishing paleo-tsunamis deposits[J].Natural Hazards，2012，63：5-30.
[29]Liu Baojun，Pang Xiong，Yan Chengzhi，et al.Evolution of the Oligocene-Miocene shelf slope-break zone in the Baiyun deep-water area of the Pearl River Mouth Basin and its significance in oil-gas exploration[J].Acta Petrolei Sinca，2011，32(2)：234-242.[柳保军，庞雄，颜承志，等.珠江口盆地白云深水区渐新世—中新世陆架坡折带演化及油气勘探意义[J].石油学报，2011，32(2)：234-242.]
[30]Wu Jingfu，Xu Qiang，Zhu Yanhe.Generation and evolution of the shelfedge delta in Oligocene and Miocene of Baiyun Sag in the South China Sea[J].Earth Science，2010，35(4)：681-688.[吴景富，徐强，祝彦贺.南海白云凹陷深水区渐新世—中新世陆架边缘三角洲形成及演化[J].地球科学，2010，35(4)：681-688.]
[31]Zhang Mengran,Jiang Zhenglong.Analysis of subsidence characteristics of Baiyun Sag,Pearl River Mouth Basin[J].Journal of Shandong University of Science and Technology:Natural Science,2016，35(1)：30-37.[张孟然,姜正龙.珠江口盆地白云凹陷沉降特征分析[J].山东科技大学学报：自然科学版, 2016，35(1)：30-37.]
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