Patent
Entrapment implementation method
Xie Huiwen,Peng Gengxin,Li Yong,Lei Ganglin,Wu Chao,Ma Yujie,Li Qing,Xu Zhenping,Yang Xianzhang,Zhang Jingzhou,Wang Xingjun,Chen Yuanyong,Xu Anming,Ma Like,Tang Yangang,Li Wei,Wang Yuan,Wu Qingkuan +17 more
- 31 Jul 2013
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TL;DR: In this article, an entrapment implementation method was proposed for converting prestack depth migration data H (x, y, z) from a depth domain into time domain data by using a depth migration velocity field V(x,y, z), interpreting and imaging depth-time conversion data to obtain a T0 contour map.
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Abstract: The invention discloses an entrapment implementation method The entrapment implementation method comprises the following steps: 1, converting prestack depth migration data H (x, y, z) from a depth domain into time domain data T (x, y, z) by using a prestack depth migration velocity field V (x, y, z); 2, interpreting and imaging depth-time conversion data to obtain a T0 contour map; 3, recognizing and modifying the velocity field through areal geology; and 4, varying velocity and imaging the T0 contour map of the depth-time conversion data by using the modified prestack depth migration velocity field V1 (x, y, z) to obtain a final structural map H1 (x, y, z) By the entrapment implementation method, structural interpretation is performed by using the depth-time conversion time domain data, and the depth migration velocity field is properly adjusted to implement velocity varying and imaging so as to obtain the structural map according to speed control by non-seismic and drilled data in a study area, so that structural implementation can be performed without relying on a seismic imaging speed and the entrapment studying accuracy is improved
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