模拟退火地震参数反演研究
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摘要
在总结前人应用模拟退火法进行地球物理反演理论研究的基础上,通过修改目标函数对地震参数进行反演,成功实现了在无任何测井数据作为约束的情况下,用模拟退火法仍可得到较为理想的地震参数反演结果;并且通过理论模型实验表明了模拟退火法可以完全不依赖初始模型。最后,对2种不同的退火计划下的反演结果和计算效率进行了对比,指出更适合于地震参数反演的退火计划。
It is discussed in this thesis that better results of the seismic inversion parameters still can be obtained in the absence of logging data as a constraint with simulated annealing by modifying the objective function of seism,which is based on summing up the previous application of simulated annealing for earth-inversion theoretical study.Finally,the inversion results and calculation efficiency are compared with two different simulated annealing schemes through theoretical modeling processing,it is pointed out that the scheme is more suitable for seismic parameters inversion
It is discussed in this thesis that better results of the seismic inversion parameters still can be obtained in the absence of logging data as a constraint with simulated annealing by modifying the objective function of seism,which is based on summing up the previous application of simulated annealing for earth-inversion theoretical study.Finally,the inversion results and calculation efficiency are compared with two different simulated annealing schemes through theoretical modeling processing,it is pointed out that the scheme is more suitable for seismic parameters inversion
引文
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[2]Kirkpatrick S,Celatt C D,Vecchi MP.Optimization by simulated annealing[J].Science,1983,(220):671～680.
[3]Rothman D H.Automatic estimation of large residual statics correction[J].Geophysics,1986,51(2):332～346.
[4]Sen M K,Stoffa P L.Nonlinearone-dimensional seiamic waveforminversion using simulated annealing[J].Geophysics,1991,56(10):1624～1638.
[5]陈均.用模拟退火算法作叠后层速度计算[J].石油物探,1994,33(2):11～20.
[6]孙建国.用改进的模拟退火法反演子波参数[J].石油物探,1998,37(3):77～81.
[7]王山山,李灿平.快度模拟退火地震反演[J].地球物理学报,1995,38(增刊1):123～134.
[8]刘振宽.模拟退火波阻抗反演及其应用[J].大庆石油地质与开发,2003,22(6):67～69.
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