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Identification of Inhomogeneities: The Selected Coordinate Descent Method Applied in the Drilling Area

Author

Listed:
  • Tatyana Smaglichenko

    (Research Oil and Gas Institute, Russian Academy of Sciences, Moscow 119333, Russia)

  • Alexander Smaglichenko

    (Institute of Seismology and Geodynamics, Structural Subdivision of the V.I. Vernadsky Crimean Federal University, Simferopol 295007, Russia)

Abstract

The exploration of inhomogeneities is a crucial factor for industries because of the necessary control of the quality of output products or the check adequacy of the data from the helping information systems. In the energy-conception field, the preliminary study of borehole areas has special importance because it can avoid risks of secure drilling and financial expenses. In this paper, an innovative option of the traditional coordinate descent method called selected coordinate descent, was investigated by collating its fundamentals with other methods used in various industrial branches. A practical application of selected coordinate descent was performed for experimental data of seismic event registration observed in the region of geothermal plants. An explicit formula for the resolution parameter was utilized to distinguish well and poorly resolved anomalies. The inhomogeneities were validated on the basis of a good resolution and comparison with data from other disciplines. The main result of our study is the performance of the algebraic technique application in the reconstruction of large-size structures. The identification of the found seismic inhomogeneities permits us to indicate the sites that are questionable for drilling and to obtain knowledge about the rock types at crucial depths.

Suggested Citation

  • Tatyana Smaglichenko & Alexander Smaglichenko, 2023. "Identification of Inhomogeneities: The Selected Coordinate Descent Method Applied in the Drilling Area," Mathematics, MDPI, vol. 11(20), pages 1-20, October.
  • Handle: RePEc:gam:jmathe:v:11:y:2023:i:20:p:4297-:d:1260123
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