中国南方碳酸盐岩裸露区表层地震地质条件研究
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摘要
从岩石力学性质、产生弹性波有效能量理论研究出发,结合中国南方碳酸盐岩裸露区地表地形特点,给出了三个浅地表地质模型。理论上对三个模型表层地震地质条件、地震单炮采集记录品质进行研究和剖析。提出在实际工作中遇到这三个模型中地震资料品质变差时的解决方案,进而提高叠加效果和改善剖面品质,对中国南方碳酸盐岩裸露区进行地震资料采集具有一定的指导意义。通过地震勘探基础研究,无论是对常规油气地震勘探,还是非常规油气地震勘探都是适用的。
Based on rock mechanics properties and elastic wave effective energy theory researches and combined with surface topo graphic feature of carbonate exposed area in South China,this paper gained three shallow surface geological models and carried out theoretical researches and analyses on the surface seismic geologic conditions and the seismic single shot records quality.This pa per put forward the solutions for these three models to improve superimposed effect and profile quality when the quality get poor in practical work.It has significance for the seismic data acquisition in South China carbonate area.On researches of seismic explora tion,these models are applicable either for the conventional petroleum seismic exploration,or for the unconventional oil and gas seismic exploration.
Based on rock mechanics properties and elastic wave effective energy theory researches and combined with surface topo graphic feature of carbonate exposed area in South China,this paper gained three shallow surface geological models and carried out theoretical researches and analyses on the surface seismic geologic conditions and the seismic single shot records quality.This pa per put forward the solutions for these three models to improve superimposed effect and profile quality when the quality get poor in practical work.It has significance for the seismic data acquisition in South China carbonate area.On researches of seismic explora tion,these models are applicable either for the conventional petroleum seismic exploration,or for the unconventional oil and gas seismic exploration.
引文
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[2]曹务祥.模拟和数字检波器的资料响应特征对比分析[J].勘探地球物理进展,2007,30(02):96-99.
[3]杨双安.山区地震波激发问题的探讨[J].中国煤田地质,2000,12(01):57-59.
[4]王晓华,杨汝超,吴建文,等.炸药震源激发子波特性研究及最佳激发井深选择[J].石油物探,2000,39(05):79-86.
[5]谭绍泉,徐锦玺,张庆淮,等.虚反射和岩性对激发井深的影响[J].油气地球物理,2003,1(3):11-14.
[6]尤明庆.岩石的力学性质[M].北京:地质出版社,2007.
[7]朱传镇.弹性体内作用力释放速度与弹性波能量[J].地球物理学报,1976,29(01):35-39.
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