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Application of Frequency-Resonance Method of Satellite Images Processing for the Oil and Gas Potential Assessment of “Onisiforos West-1” Well Drilling Site in the Mediterranean Sea

  • S. LevashovEmail author
  • N. Yakymchuk
  • I. Korchagin
  • D. Bozhezha
Conference paper
Part of the Springer Proceedings in Earth and Environmental Sciences book series (SPEES)

Abstract

The potentialities of the direct-prospecting method of satellite images frequency-resonance processing is demonstrated by the results of their practical application for monitoring over drilling site of the “Onisiforos West-1” prospecting well in the eastern Mediterranean (Block 11, Cyprus offshore). In the area of the well location, an anomalous zone “Gas-1” was mapped, within witch the estimation of the maximum value of fluids pressure in reservoir is 53.5 MPa. The area of the anomalous zone along the isoline of 0 MPa is approximately 42 km2, and along the isoline of 50 MPa it is about 29 km2. The channel of vertical fluid migration was detected in the fault zone, adjacent to the anomaly from east. Estimation of reservoir pressure values at the central point of the channel was about 80 MPa. By the geological cross-section scanning in the depth interval of 1700–6000 m seven anomalous polarized layers (APLs) of the “gas” type, promising to detect gas deposits, were identified in the cross-section. During the scanning, the APLs depths and thicknesses, fluids pressure and also porosity were estimated. The most promising for gas detection are two search intervals: 1800–2250 m; 4050–4250 m. The results of operatively conducted experimental studies of reconnaissance character increase, as a whole, the probability of gas accumulations (deposits) detection in the “Onisiforos West-1” well.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • S. Levashov
    • 1
    Email author
  • N. Yakymchuk
    • 1
  • I. Korchagin
    • 2
  • D. Bozhezha
    • 1
  1. 1.Institute of Applied Problems of Ecology, Geophysics and GeochemistryKyivUkraine
  2. 2.Institute of GeophysicsNAS UkraineKyivUkraine

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