Abstract
High-density acquisition techniques have become an important means to improve the quality of seismic data in seismic exploration. The effects of small bins in the enhancement of lateral resolution are significant. However, the enhancement of vertical resolution remains controversial. Therefore, this study analyzed the quantitative relationship between the vertical resolution and the offsets in single-channel data. The impacts of spatial sampling intervals on the vertical resolution of stacks and migration sections are further discussed in detail. All of these are based on the theory that the resolution of stacks or migration sections is the average of all the involved channels. Finally, the conclusion is drawn that the smaller the sampling intervals are, the closer the vertical resolution of the section would be to the theoretical maximum resolution as the velocity of the layer increased. When the velocity of the layer decreases, the increase of sampling density does not necessarily benefit the improvement of vertical resolution.
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Funding
The National Key Research and Development Project (2018YFC0807804). The General Program of National Natural Science Foundation of China (42074175). The Project Supported by Natural Science Basic Research Plan in Shaanxi Province of China (2020JM-714). The Project Supported by Natural Science Basic Research Plan in Shaanxi Province of China (2021JQ-949).
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Jin, D., Cheng, J., Wang, B. et al. Relationship between the spatial sampling intervals of high-density acquisition techniques and vertical resolution. Arab J Geosci 15, 1552 (2022). https://doi.org/10.1007/s12517-022-10816-w
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DOI: https://doi.org/10.1007/s12517-022-10816-w