Prestack Time Migration Software

System Overview
Kirchhoff prestack time migration software package, running on GPU/CPU co-parallel computing architecture, includes interactive migration parallel job management tool and interactive time-domain residual velocity analysis tool. Interactive migration parallel job management includes preparation, send and monitoring of migration job and data retrieve. Interactive time-domain residual velocity analysis tool is used to interactively interpret and update migration velocity model by analyzing residual moveout on CIG gather, and then to get final migration velocity model.

System Function

  • Migration velocity model building and update by horizon control: obtain geologically reasonable velocity field.
  • Straight ray method: Based on the assumption of layered media, travel-time calculation is consistent with the actual situation by high-order optimized travel-time equation.
  • Bending ray method: Based on the assumption of anisotropic medium, good stability and high imaging precision.
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