In order to be approached comprehensively in exploration of geological environment by seismic is actively developing the direction of research using wide-azimuth 3D seismic data and its subsequent use to processing and interpretation of azimuth-dependent formation characteristics. The possibility of a special HTI analysis of medium anisotropy at the final processing stage is provided by a systematic approach in processing flow design – from the stage of data entry to regularization and migration, focused on saving the values of the azimuths of the SP-RP pairs in the trace headers and the wavefield properties of the seismic record. The azimuth values of the SP-RP pairs at the final processing stage can provide additional information about the medium under study. The available procedures for analyzing azimuthal velocities in modern seismic data processing software make it possible, on the one hand, to improve the wave field, and on the other hand, allow calculating azimuthally varying velocity attributes. The latter are the intensity and direction of the anisotropy of seismic waves, and can help in identifying geological objects in space that generate anisotropy of properties. The article considers similar azimuthal processing flow of seismic data, implemented within the production project; it reflects the main requirements for 3D-CDPM seismic surveys data that can be regarded as wide-azimuth. The expediency and method of splitting data into classes of offsets-azimuths COV (common offset vector) or OVT (offset vector tile) is also described. The theoretical part of the article reveals the mathematical basis of the interpolation algorithms for the involved 5D interpolation procedure and at the same time shows the resulting problems of the classically configured algorithm and the method of modifying it to maximize the preservation of the original characteristics of the survey geometry for the data.
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