地震反射波CDP叠加技术在台山核电海域花岗岩孤石探测中的应用
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摘要
介绍海域地震反射波多次覆盖CDP叠加技术,阐述海上单道地震与CDP叠加技术的差别,从方法原理、震源选择、观测系统等方面分析探测小尺寸异常体的关键技术,通过钻探验证说明该技术在探测风化残留体中孤石的良好效果。
The multichannel CDP stacking technology in marine seismic reflection is presented,the difference between the CDP stacking technology and the single-channel seismic detection technology are described,and the key technologies in the detection of small geological bodies are analyzed in terms of principle,seismic source selection and observation system.The results of the drilling investigation show that the mentioned technology is satisfactory in detecting the boulders in weathered granite.
The multichannel CDP stacking technology in marine seismic reflection is presented,the difference between the CDP stacking technology and the single-channel seismic detection technology are described,and the key technologies in the detection of small geological bodies are analyzed in terms of principle,seismic source selection and observation system.The results of the drilling investigation show that the mentioned technology is satisfactory in detecting the boulders in weathered granite.
引文
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[2]李建强,冯涛,何平.花岗岩球状风化综合勘察技术研究[J].铁道建筑,2008(10):76-78.
[3]孙钧.海底隧道工程设计施工若干关键技术的商榷[J].岩石力学与工程学报,2006,25(8):1513-1521.(SUN Jun.Discussion on some key technical issues for design and construction of undersea tunnels[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(8):1513-1521.(in Chinese))
[4]姚姚.地震波场与地震勘探[M].北京:地质出版社,2005.
[5]何正勤,陈宇坤,叶太兰,等.浅层地震勘探在沿海地区隐伏断层探测中的应用[J].地震地质,2007(2):177-186.(HE Zhengqin,CHEN Yukun,YE Tailan,et al.Ap-plication of shallow seismic exploration in detection of buried fault in coastal areas[J].Seismology and Geology,2007(2):177-186.(in Chinese))
[6]张勇,田双凤,王建华.浅海工程中小道距高分辨率多道地震方法的应用[J].海洋技术,2008(4):75-77,114.(ZHANGYong,TIANShuangfeng,WANGJianhua.Appli-cation of small group interval high-resolution multi-channelseismic system surveys to shallow marine engineering[J].O-cean Technology,2008(4):75-77,114.(in Chinese))
[7]李丽青,陈泓君,彭学超,等.海洋区域地质调查中的高分辨率单道地震资料关键处理技术[J].物探与化探,2011(1):86-92,102.(LI Liqing,CHEN Hongjun,PENG Xuechao,et al.The main processing methods of high-resolu-tion single-channel seismic data in marine regional geological survey[J].Geophysical and Geochemical Exploration,2011(1):86-92,102.(in Chinese))
[8]刘宏岳.水域浅层地震反射波勘探数据处理及工程实例[J].福建建设科技,2008(2):28,33.(LIU Hongyue.Shallow marine seismic reflection data processing and itsgeotechnical application[J].Fujian Construction Science&Technology,2008(2):28,33.(in Chinese))
[9]王运生.浅层地震反射与散射联合成像研究[D].武汉:中国地质大学地球探测与信息技术专业,2005.
[10]刘宏岳,戴一鸣.气动机械声波水域高分辨率浅层地震勘探连续冲击震源研制及应用[J].工程勘察,2009(10):87-90.(LIU Hongyue,DAI Yiming.Air-driven mechanic acoustic seismic source for shallow high resolution marine geophysical profiling[J].Geotechnical Investigation&Surveying,2009(10):87-90.(in Chinese))
[11]伊尔马滋.地震数据处理[M].黄绪得,译.北京:石油工业出版社,1994.
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