珠江口盆地陆丰凹陷中生界的发现及石油地质意义
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摘要
通过对珠江口盆地陆丰凹陷东部地区的构造、断裂发育、地震反射结构、地层产状、地震反射频率等特征进行分析,并与已证实的新近纪洼陷进行详细对比和研究,首次提出陆丰凹陷东部发育中生代残留洼陷。通过与周边已证实的中生代坳陷石油地质条件的类比,认为陆丰凹陷的中生代残留洼陷应具有一定的勘探潜力,能为陆丰凹陷下一步的油气勘探开辟一个新的领域。
By illustrating structure,fault,seismic reflection configuration,seismic attitude,and seismic reflection frequency,as well as comparing it with the Neogene sags in the eastern region of Lufeng sag,Pearl River Mouth basin,it is proved that the eastern development of Lufeng sag is a residual sag in Mesozoic.The comparing results suggest that the Mesozoic residual Lufeng sag as a new exploration field should have a certain exploration potential.
By illustrating structure,fault,seismic reflection configuration,seismic attitude,and seismic reflection frequency,as well as comparing it with the Neogene sags in the eastern region of Lufeng sag,Pearl River Mouth basin,it is proved that the eastern development of Lufeng sag is a residual sag in Mesozoic.The comparing results suggest that the Mesozoic residual Lufeng sag as a new exploration field should have a certain exploration potential.
引文
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[2]Chen Ling,Peng Xuechao,Miu Wanchen,et al.Seismic strati-graphic analysis at the northern slope of South China Sea[J].Geological Research of South China Sea(Memoirt 7),1995:92-107.[陈玲,彭学超,缪宛岑,等.南海北部陆坡区地震地层学解释[J].南海地质研究(七),1995:92-106.]
[3]Wang Ping,Xia Kanyuan,Huang Ciliu.Distribution and ge-olygical&geophysical characteristics of Mesozoic marinestrata in northeastern part of South China Sea[J].Tropic O-ceanology,2000,19(4):28-35.[王平,夏戡原,黄慈流.南海东北部中生代海相地层的分布及其地质地球物理特征[J].热带海洋,2000,19(4):28-35.]
[4]Xia Kanyuan,Huang Ciliu.The discovery of meso-tethys sedimen-tary basins in the South China Sea and their oil and gas perspec-tive[J].Earth Science Fronters,2000,7(3):227-238.[夏戡原,黄慈流.南海中生代特提斯期沉积盆地的发现与找寻中生代含油气盆地的前景[J].地学前缘,2000,7(3):227-238.]
[5]Lai Wanzhong.Mesozoic petroleum exploration in offshoreChina[J].China Offshore Oil and Gas:Geology,2001,15(5):311-315.[赖万忠.中国海域中生界油气勘探[J].中国海上油气:地质,2001,15(5):311-315.]
[6]He Jiaxiong,Yao Yongjian,Ma Wenhong,et al.Status of oil&gas exploration and analysis of geological character in Mes-ozoic residual basin,northeastern South China Sea[J].Natu-ral Gas Geoscience,2007,18(5):635-642.[何家雄,姚永坚,马文宏,等.南海东北部中生代残留盆地油气勘探现状与油气地质问题[J].天然气地球科学,2007,18(5):635-642.]
[7]Lin Zhen,Zhang Li,Yi Hai,et al.A study of the distributionof Mesozoic strata based on gravity and magnetic data ob-tained in northeastern South China Sea[J].Geophysical&Geochemical Exploration,2010,34(4):422-427.[林珍,张莉,易海,等.利用重磁资料研究南海东北部海域中生界分布[J].物探与化探,2010,34(4):422-427.]
[8]Hao Hujun,Shi Hesheng,Zhang Xiangtao,et al.Mesozoicsediments and their petroleum geology conditions in Chaoshansag discussion based on drilling results from the exploratorywell LF35-1-1[J].China Offshore Oil and Gas,2009,21(3):151-156.[郝沪军,施和生,张向涛,等.潮汕坳陷中生界及其石油地质条件——基于LF35-1-1探索井钻探结果的讨论[J].中国海上油气,2009,21(3):151-156.]
[9]Jiang Tao,Ren Jianye.Based on oil and gas exploration pros-pects of Chaoshan depression of the basin modeling to predict[J].Marine Geology Letters,2004,20(6):20-27.[姜涛,任建业.基于盆地模拟技术的潮汕坳陷油气勘探前景预测[J].海洋地质动态.2004,20(6):20-27.]
[10]Hao Hujun,Shi Hesheng,Zhang Xiangtao,et al.Mesozoic marinesediment identification and distribution in the eastern Pearl RiverMouth basin[J].China Offshore Oil and Gas,2004,16(2):84-88.[郝沪军,施和生,张向涛,等.珠江口盆地东部海相中生界识别及分布[J].中国海上油气,2004,16(2):84-88.]
[11]Zhang Yuchang.China′s Petroliferous Basins Prototype Anal-ysis[M].Nanjing:Nanjing University Press,1997:5-8.[张渝昌.中国含油气盆地原型分析[M].南京:南京大学出版社,1997:5-8.]
[12]Zhu Chunjun,Wang Yanbin.Hydrocarbon-generating poten-tial in Mesozoic Suibin depression of Sanjiang basin[J].Natu-ral Gas Geoscience,2011,22(2):307-314.[朱春俊,王延斌.三江盆地绥滨坳陷中生界生烃潜力[J].天然气地球科学,2011,22(2):307-314.]
[13]Cao Xiaohong,Ni Zhiying.Isotope characteristic and formingcause of nature gas in the Mesozoic of Ordos basin[J].Natu-ral Gas Geoscience,2005,16(5):617-621.[曹晓宏,倪志英.鄂尔多斯盆地中生界天然气同位素特征及成因类型[J].天然气地球科学,2005,16(5):617-621.]
[14]Wei Xi,Deng Jinfu,Chen Yihan.Distribution characters andexploration potential of Mesozoic sea facies sedimentary stratain the South China Sea basin[J].Journal of Jilin University:Earth Science Edition,2005,35(4):456-461.[魏喜,邓晋福,陈亦寒.南海盆地中生代海相沉积地层分布特征及勘探潜力分析[J].吉林大学学报:地球科学版,2005,35(4):456-461.]
[15]Li Dacheng.Basic geological characteristics of marine faciesstrata and fields in China compared with in the globe[J].Ma-rine Origin Petoleum Geology,2005,10(1):13-17.[李大成.国内外海相油气基本地质特征及下步研究建议[J].海相油气地质,2005,10(1):13-17.]
[16]Yao Yongjian,Gao Hongfang,He Jiaxiong,et al.Preliminarystudies on the Mesozoic source rocks in Chaoshan depression,nortneastern South China Sea[J].Natural Gas Geoscience,2009,20(6):865-871.[姚永坚,高红芳,何家雄,等.南海东北部潮汕坳陷及陆上邻区中生界烃源岩初步研究[J].天然气地球科学,2009,20(6):865-871.]
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