复杂工程地震勘探中的剩余时差
|
摘要
在工程地震资料处理中,由于复盖次数不高,对CMP道集大都不进行剩余时差校正处理,而在复杂工程地震勘探条件下,剩余时差对叠加的影响是非常严重的,因此对复杂工程地震勘探剩余时差特性和消除方法的研究尤为重要。本文首先分析了工程复杂条件下各种时差的类型,提出了时差分类分步消除方法,用复杂工程模型验证了这种方法的处理效果,并用实际数据进行了处理分析,理论研究与实际数据处理结果表明工程地震剩余时差校正的必要性和有效性。
In engineering seismic data processing,the data processing of CMP gather does not make residual moveout correction.But in the complex engineering seismic exploration,the residual moveout has a very serious effect on the stack.Therefore it is important to study the features of the residual moveout and the method of elimination.This paper firstly analyzes the types of the different moveouts and then puts forward a method for elimination by classifications and by steps.The complex model test verifies the method and the actual data are also processed and analyzed.The result indicates that it is necessary and effective to make engineering seismic residual moveout correction.
In engineering seismic data processing,the data processing of CMP gather does not make residual moveout correction.But in the complex engineering seismic exploration,the residual moveout has a very serious effect on the stack.Therefore it is important to study the features of the residual moveout and the method of elimination.This paper firstly analyzes the types of the different moveouts and then puts forward a method for elimination by classifications and by steps.The complex model test verifies the method and the actual data are also processed and analyzed.The result indicates that it is necessary and effective to make engineering seismic residual moveout correction.
引文
[1]聂勋碧,何玉春.短周期性质的自动统计剩余静校正——多道同相叠加形成模型道的方法[J].石油物探,1980(4):38~56.
[2]聂勋碧,郝骅,何玉春.多道模型自动静校正方法的应用[J].石油物探,1978(4):1~14.
[3]国家地质总局第二物探大队、成都地质学院物探系协作小组.在“共—炮点”和“共—接收点”平面上提取剩余静校正值的理论模型试验[J].石油物探,1977(1):1~34.
[4]夏洪瑞,陈德刚,周开明,等.保持分辨率处理方法分析[J].石油物探,2003,38(S1):24~30.
[5]王永丽,钱汉林.分层自动剩余校正[J].石油地球物理勘探,1982(5):71~79.
[6]古宴光.费涅耳积分与叠加[J].石油物探,1989,28(1):1~2.
[7]长春地质学院,武汉地质学院,成都地质学院.地震勘探—原理和方法[M].地质出版社,1980,153.
[8]夏洪瑞,陈德刚,周开明.剩余动校正量的拾取与消除[J].石油地球物理勘探,1997,32(6):872~877.
[9]苑春方,余钦范,王彦春,等.动校正剩余时差的估计与校[J].石油物探,2002,41(3):304~308.
[2]聂勋碧,郝骅,何玉春.多道模型自动静校正方法的应用[J].石油物探,1978(4):1~14.
[3]国家地质总局第二物探大队、成都地质学院物探系协作小组.在“共—炮点”和“共—接收点”平面上提取剩余静校正值的理论模型试验[J].石油物探,1977(1):1~34.
[4]夏洪瑞,陈德刚,周开明,等.保持分辨率处理方法分析[J].石油物探,2003,38(S1):24~30.
[5]王永丽,钱汉林.分层自动剩余校正[J].石油地球物理勘探,1982(5):71~79.
[6]古宴光.费涅耳积分与叠加[J].石油物探,1989,28(1):1~2.
[7]长春地质学院,武汉地质学院,成都地质学院.地震勘探—原理和方法[M].地质出版社,1980,153.
[8]夏洪瑞,陈德刚,周开明.剩余动校正量的拾取与消除[J].石油地球物理勘探,1997,32(6):872~877.
[9]苑春方,余钦范,王彦春,等.动校正剩余时差的估计与校[J].石油物探,2002,41(3):304~308.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心