Applied Geophysics

, Volume 14, Issue 4, pp 517–522 | Cite as

Variable-grid reverse-time migration of different seismic survey data



With an increasing demand for high-resolution imaging of complex subsurface structures, thin layers and hidden reservoirs, borehole and cross-well seismic migration methods have become important. However, large differences are observed in the frequency bandwidth between the surface, borehole, and cross-well surveys. Thus, variable-gridbased algorithms have been adapted to reverse-time migration. Further, we introduce Lanczos filtering to ensure the stability of wavefield calculations as well as to decrease the artificial reflections that are caused due to the variable grid size. Finally, we observe that the application of this method to surface survey, borehole, and cross-well seismic data suggests improvements in the delineation of minor fractures and steeply dipping faults.


Cross-well seismic variable-grid Lanczos filter reverse time migration 


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Copyright information

© Editorial Office of Applied Geophysics and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  1. 1.China University of Petroleum (East China)QingdaoChina
  2. 2.Laboratory for Marine Mineral ResourceQingdao National Laboratory for Marine Science and TechnologyQingdaoChina

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