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Geology

Geological and mathematical model of secondary sulphidisation zone polarizability as a function of oil and gas deposit depth

Authors:
O. F. Putikov1
S. A. Ivanov2
  • 1 — National Mineral Resources University (Mining University)
  • 2 — Siberian Geophysical Research Production Company Ltd
Date submitted:
2016-10-11
Date published:
2015-06-01

Abstract

The differential-normalized method of electrical exploration (DNME), by means of polarization study of the secondary sulphidation zone (depth ~ 0,4-0,6 km), allows making conclusion about existence and parameters of an oil and gas deposit (depth up to ~ 2-5 km). The approximate solution of the system of nonlinear differential equations in partial derivatives for concentration of sulfur-hydrogen and pyrite (polarizability) as the function of oil-gas deposit depth has been received. The results are confirmed by experimental investigations in the North Sea.

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