柴北缘地区干扰波特征分析以及压制方法
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摘要
柴北缘地区由于受复杂地表条件和地下构造的影响,存在多种类型干扰波,山前和构造顶部地震资料信噪比低。通过对柴北缘平台地区、马海地区和冷湖地区地质条件及地震资料的综合分析,加深了对柴北缘地区干扰波类型和参数特征的认识,并根据干扰波分析结果,提出了相应的压制方法。
Due to the complex surface conditions and the impact of subsurface structure,there are many types of interference waves in the northern Qaidam basin.And signal/noise ratio of seismic data is low in foreland as well as in the top of structure.Through the comprehensive analysis of geological conditions and seismic data from Pingtai,Mahai and Lenghu regions in northern Qaidam basin,a deeper understanding of the type and parameter characteristics of interference wave has been made.With the result of analysis,corresponding method has been proposed to suppress these interference waves.This method will be helpful for noise attenuation more in northern Qiadam basin.
Due to the complex surface conditions and the impact of subsurface structure,there are many types of interference waves in the northern Qaidam basin.And signal/noise ratio of seismic data is low in foreland as well as in the top of structure.Through the comprehensive analysis of geological conditions and seismic data from Pingtai,Mahai and Lenghu regions in northern Qaidam basin,a deeper understanding of the type and parameter characteristics of interference wave has been made.With the result of analysis,corresponding method has been proposed to suppress these interference waves.This method will be helpful for noise attenuation more in northern Qiadam basin.
引文
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[17]Hale D.A nonaliased integral method for dip moveout[J].Geo-physics,1991,56(6):795-805.
[18]Yilmas O.Seismic Data Processing[M].Tulsa:Society of Explora-tion Geophysicists,1987.
[19]Liu Quanxin,Li Daoshan.Points about land static correction andmigration datum[J].Natural Gas Geoscience,2003,14(1):57-59.[刘全新,李道善.关于山地静校正和偏移基准面的一些认识[J].天然气地球科学,2003,14(1):57-59.]
[2]Sun Deqiang,Zhang Tao,Liang Bin,et al.Reservoir-forming fea-tures of oil and gas in north of Qaidam basin[J].Natural Gas Ge-oscience,2008,19(5):652-656.[孙德强,张涛,梁彬,等.柴达木盆地北缘油气成藏特征[J].天然气地质学,2008,19(5):652-656.]
[3]Tan Yanhu,Peng Dehua,Pan Hongfeng,et al.Potential of naturalgas resource and its exploration direction in Qaidam basin[J].China Petroleum Exploration,2006,(6):42-44.[谭彦虎,彭德华,潘洪峰,等.柴达木盆地天然气资源潜力及勘探方向[J].中国石油勘探,2006,(6):42-44.]
[4]Hu Shouquan,Cao Yunjiang,Huang Jixiang,et al.Evolution of theforeland basin and the target for oil and gas exploration in thenorthern margin area of Qaidam basin[J].Natural Gas Industry,1999,19(4):1-5.[胡受权,曹运江,黄继祥,等.柴达木盆地北缘地区前陆盆地演化及油气勘探目标[J].天然气工业,1999,19(4):1-5.]
[5]Wang Yunbo,Chen Yuanzhong,Shen Ya,et al.Regional evalua-tion and targets optimization in north Qaidam margin[J].Oil Geo-physical Prospecting,2006,41(supplement):66-69.[王云波,陈元忠,沈亚,等.柴北缘地区区带评价与目标优选[J].石油地球物理勘探,2006,41(增刊):66-69.]
[6]Wang Changgui,Ma Lixie,Wang Wendi,et al.Correlation of Ju-rassic in northern margin of Qaidam basin and its petroleum sys-tem[J].Xinjiang Petroleum Geology,2009,30(4):454-458.[王昌桂,马立协,王文弟,等.柴达木盆地北缘侏罗系对比及含油气系统[J].新疆石油地质,2009,30(4):454-458.]
[7]Yuan Jianying,Chen Qilin,Chen Yingbin,et al.Petroleum geo-logical character and favorable exploration domains of Qaidam ba-sin[J].Natural Gas Geoscience,2006,17(5):640-644.[袁剑英,陈启林,陈迎宾,等.柴达木盆地油气地质特征与有利勘探领域[J].天然气地球科学,2006,17(5):640-644.]
[8]Ji Xiaobing,Shang Yingjun,Zhang Fan.A study on seismic dataacquisition in mountainous districts[J].Natural Gas Geoscience,2005,16(1):114-116.[姬小兵,尚应军,张帆.山地地震勘探采集技术研究[J].天然气地球科学,2005,16(1):114-116.]
[9]Hu Jie,Luo Fei,An Peijun.Analysis and countermeasures of diffi-culties in seismic exploration in Qaidam basin[J].Oil Geophysi-cal Prospecting,2002,37(supplement):14-18.[胡杰,骆飞,安佩君.柴达木盆地地震勘探难点分析和解决对策[J].石油地球物理勘探,2002,37(增刊):14-18.]
[10]Tang Guosong,Huang Zhigang,Zhou Hua.Seismic data processingtechnique of piedmont zone in the north edge of Qaidam basin[J].Small Hydrocarbon Reservoir,2007,12(3):28-31.[汤国松,黄志刚,周华.柴达木盆地北缘山前带地震资料处理技术[J].小型油气藏,2007,12(3):28-31.]
[11]Wang Ziming,An Peijun,Zhen Wensheng,et al.Seismic acquisi-tion and processing methods in northern Qaidam basin[J].OilGeophysical Prospecting,2002,37(supplement):118-124.[王子明,安佩君,甄文胜,等.柴达木盆地北缘复杂地区地震采集、处理方法[J].石油地球物理勘探,2002,37(增刊):118-124.]
[12]Deng Shuquan.Acquisition method in Qaidam basin[J].Oil Geo-physical Prospecting,2002,37(supplement):19-25.[邓述全.柴达木盆地采集方法研究[J].石油地球物理勘探,2002,37(增刊):19-25.]
[13]Feng Yunfa,Wang Hai.Advancement of seismic data processingtechnique for complicated structure area in Qaidam basin[J].China Petroleum Exploration,2006,(6):59-63.[冯云发,王海.柴达木盆地复杂构造地区地震资料处理技术进展[J].中国石油勘探,2006,(6):59-63.]
[14]Huang Ligong,Dang Yuqi,Xu Fengyin,et al.Present situation andbreakthrough direction of oil and gas exploration in Qaidam basin[J].China Petroleum Exploration,2006,(6):1-8.[黄立功,党玉琪,徐凤银,等.柴达木盆地油气勘探现状和突破方向[J].中国石油勘探,2006,(6):1-8.]
[15]Zhang Zhanjie,Chen Maogen,Gong Dingkang,et al.Methods andapplications of seismic interference attenuation[J].Offshore Oil,2006,26(3):9-13.[张占杰,陈茂根,龚定康,等.地震干扰波的衰减方法及其应用[J].海洋石油,2006,26(3):9-13.]
[16]Lu Jimeng.Principles of Seismic Exploration[M].Dongying:Chi-na Petroleum University Press,1993:88-91.[陆基孟.地震勘探原理[M].东营:中国石油大学出版社,1993:88-91.]
[17]Hale D.A nonaliased integral method for dip moveout[J].Geo-physics,1991,56(6):795-805.
[18]Yilmas O.Seismic Data Processing[M].Tulsa:Society of Explora-tion Geophysicists,1987.
[19]Liu Quanxin,Li Daoshan.Points about land static correction andmigration datum[J].Natural Gas Geoscience,2003,14(1):57-59.[刘全新,李道善.关于山地静校正和偏移基准面的一些认识[J].天然气地球科学,2003,14(1):57-59.]
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