Abstract：In order to solve the problem in which the seismic horizon can not correctly picked up under the strong coherent Gaussian colored noise,an automatic seismic horizon picking-up method based on one dimensional slice of cross fourth order cumulant was proposed in this paper.The basic principle and exact algorithm of the method were also elaborated in this paper.The similarity of the seismic horizon over the horizontal direction and the insensitivity of the cross fourth order cumulant to Gaussian colored noise were utilized in realizing the time delay estimation of the seismic events,meanwhile the relevant parameters which directly affect the picking-up accuracy of the seismic horizon were set.The calculation for the theoretical model shows that the method has very strong restraining ability for the coherent Gaussian colored noise and its signal to noise ratio reaches-10dB.The application effects of the field data match well with the geological horizons and the locations of the faults and the fault points were accurate.It is noticed that the picking-up accuracy of the method could replaces that of the manual method,however its efficiency is much higher than the manual method.
冯智慧, 刘财, 冯晅, 王典, 王兆国. 基于互四阶累积量一维切片的地震层位自动拾取方法[J]. 石油地球物理勘探, 2011, 46(1): 58-63.
Feng Zhi-hui, Liu Cai, Feng Xuan, Wang Dian, Wang Zhao-guo. An automatic seismic horizon picking-up method based on one dimensional slice of cross fourth order cumulant. OGP, 2011, 46(1): 58-63.
