In view of large residual static correction values after field static correction in complex areas, the field near-surface data and field static correction data are used as the initial condition of the method. The first break time is used for the basic constraint of the method. The residual time shifts can be determined from common-shot, common-receiver and common offset domains. Thus, the global optimized residual static correction values are estimated by doing statistics of a great deal of data and by making orthogonal iteration and step-by-step approximation. After being repeatedly revised, this result plus datum correction values forms the final static correction values. This paper takes actual data as example to show the good application results of this method.
2D And 3D Multi-domain Iteration Statics In Complex Areas
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Mao, Jingen, Liang, Xiuwen, and Nianchun Zhang. "2D And 3D Multi-domain Iteration Statics In Complex Areas." Paper presented at the 2000 SEG Annual Meeting, Calgary, Alberta, August 2000.
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