Abstract
Passive seismic is a direction of human activity, due to which the prospecting of hydrocarbons can be performed by producing a minimal amount of drilling. The synthetic data are presented as arrival times of waves from regional events. Seismic rays pass through the thin layers that compose 2-D hydrocarbon model. The conventional view views mathematical methods as weakly reliable in a detection of hydrocarbons. Nevertheless we demonstrate that numerical reconstruction of seismic velocities in the gas-saturated reservoir can be accurate if the tactic of solution includes a statistical analysis of different subsets of observations and a selection of computational techniques, which resolve a complexity of the structure. Unconventional computing is in that we first make an assumption about geophysical properties of a subject, and only then the appropriate calculation scheme is chosen with following checking of parameters of a resolution. The basic techniques involve the relaxation scheme of the gradient descent method or CSSA to retrieve the large-size structure beneath the gas reservoir and the modification of Gaussian elimination that is effective to overcome the problem of an uncertain error of seismic observations.
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Acknowledgments
We thank the organizers of the Symposium. Since the last ICNAAM conference we had a fruitful discussion of subject of complexity. This helped in developing of the computational tactic that is presented in this study. Our thanks go to Reviewers for providing of comments, owing to which the description of consistency between computational and seismic models has been extended.
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Smaglichenko, T.A., Sayankina, M.K., Smaglichenko, A.V. (2014). Computational Tactic to Retrieve a Complex Seismic Structure of the Hydrocarbon Model. In: Zelinka, I., Sanayei, A., Zenil, H., Rössler, O. (eds) How Nature Works. Emergence, Complexity and Computation, vol 5. Springer, Heidelberg. https://doi.org/10.1007/978-3-319-00254-5_10
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DOI: https://doi.org/10.1007/978-3-319-00254-5_10
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