1887

Abstract

Summary

In the recent study of the Yurubcheno - Tokhomskoye oil field more and more attention is paid to the Riphean intervals with high cavitary. Current estimates forecast about 30% of geological reserves of hydrocarbons within these intervals. Neither the origin nor dissemination of these intervals are clear nowadays. There is general geological knowledge about these layers. In particular, it is worth mentioning that their average width is 0.5 m – 1 m, the average voidage is about 10% and they are located just below the Riphean interface at a depth around 2000 m. To assess the possibility of seismic techniques for imaging these objects we perform full-scale numerical simulation of seismic waves propagation and generate synthetic multishot - multioffset data. The simulation was done by parallel software on the base of finite-difference technique with local grid refinement in time and space. Next, we use multicomponent Gaussian beams to construct scattered waves images of thin cavitary layers.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.201701245
2017-06-12
2020-04-02
Loading full text...

Full text loading...

References

  1. Kostin, V., V.Lisitsa, G.Reshetova, and V.Tcheverda
    [2015] Local time-space mesh refinement for simulation of elastic wave propagation in multi-scale media. Journal of Computational Physics, 281(0), 669–689.
    [Google Scholar]
  2. Protasov, M. I., G. V.Reshetova, and V. A.Tcheverda
    [2016] Fracture detection by Gaussian beam imaging of seismic data and image spectrum analysis. Geophysical Prospecting, 64(1), 68–82.
    [Google Scholar]
  3. Virieux, J.
    [1986] P-SV wave propagation in heterogeneous media: Velocity — stress finite-difference method. Geophysics, 51(4), 889–901.
    [Google Scholar]
http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201701245
Loading
/content/papers/10.3997/2214-4609.201701245
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error