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Abstract

Summary

Permafrost became the most urgent problem while exploration oil & gas fields in the Arctic Zone. Interferences from other high- and low-speed inhomogeneities makes it difficult to take into account all subsurface factors while making kinematic amendments of 3D seismic data, so it requires only complex approach. Nowadays we do not have generally recognized technology for inversion of traveltime data from heterogeneous shallow subsurface which guarantee correct interpretation of all low velocity zone factors and construction of real depth-velocity model. One of probable solutions is dynamically developing technology of ultra-wideband georadar survey in combination with a shallow modification of sounding by near field formation. Integrated use of the sensing by near-surface field formation and ultra-wideband radiometry will allow supplementing seismic data in areas complicated by the influence of the permafrost due to the fact that a direct forecast of the saturation nature of promising structural objects in a detailed analysis and interpretation of the data is possible. The effectiveness of method integration has been substantiated by the latest experimental studies and its realization possible at all stages of exploration, development and further exploitation of current deposit.

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/content/papers/10.3997/2214-4609.202053129
2020-11-16
2024-04-16
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References

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