Common-offset-vector Gathers: an Alternative to Cross-spreads For Wide-azimuth 3-D Surveys

@inproceedings{Cary1999CommonoffsetvectorGA,
  title={Common-offset-vector Gathers: an Alternative to Cross-spreads For Wide-azimuth 3-D Surveys},
  author={Peter Cary},
  year={1999}
}
Typical 3-D land and OBC seismic surveys are sampled finely in two spatial coordinates (e.g. receiver-x and source-y) and coarsely in the other two coordinates (receiver-y and source-x), so a simplistic discretization of the full 5-D Kirchhoff prestack migration integral leads to artifacts due to aliasing. Padhi and Holley (1997) suggested that imaging of well-sampled subsets of the data (minimal datasets) avoids the integration over the coarsely-sampled coordinates. For 3-D orthogonal… CONTINUE READING

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