Earth sciences research journal | |
ATTENUATION OF DIFFRACTED MULTIPLES WITH AN APEX-SHIFTED TANGENT-SQUARED RADON TRANSFORM IN IMAGE SPACE | |
Alvarez, Gabriel1  Guitton, Antoine1  Biondi, Biondo1  | |
[1] Stanford University, Stanford, USA | |
关键词: diffracted multiples; ADCIG; Gulf of Mexico.; | |
DOI : | |
学科分类:天文学(综合) | |
来源: Universidad Nacional de Colombia * Departamento de Geociencias | |
【 摘 要 】
In this paper, we propose a method to attenuate diffracted multiples with an apex-shifted tangent-squared Radon transform in angle domain common image gathers (ADCIG) . Usually, where diffracted multiples are a problem, the wave field propagation is complex and the moveout of primaries and multiples in data space is irregular. The method handles the complexity of the wave field propagation by wave-equation migration provided that migration velocities are reasonably accurate. As a result, the moveout of the multiples is well behaved in the ADCIGs. For 2D data, the apex-shifted tangent-squared Radon transform maps the 2D space image into a 3D space-cube model whose dimensions are depth, curvature and apex-shift distance.
【 授权许可】
CC BY
【 预 览 】
Files | Size | Format | View |
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RO201902010859437ZK.pdf | 8943KB | download |