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Abstract

Summary

The magnetic minerals are responsible for the enhanced magnetic signals in soils and suggest a relationship exists between magnetic minerals and the alteration of hydrocarbons due to biodegradation process. All this processes cause the formation of local magnetic anomalies and changes of soils magnetic properties. We performed the studies at the territory of oil field Selyuhi in the Dnieper-Donets Depression for deeper understanding of the spatial distribution of soil magnetic susceptibility (MS) and to find the relations between MS and microseepage. The results of thermomagnetic studies we presented in a case of Starunia oil-ozokerite deposit, which is the main oil- and gas-bearing part of the Ukrainian Carpathians. We used the hysteresis parameters to detect the domain state of the magnetic minerals which are responsible for enhancing of magnetic susceptibility of soils and results in variation of the magnetic field at the areas of hydrocarbon deposits. The anomalies of soil MS were detected in close proximity to the productive hydrocarbon areas. The predominance of pyrrhotite and magnetite-like phase and pseudo-single domain grains were detected in the hydrocarbon impacted soils. Magnetic methods offer the advantage of low cost and time saving possibilities for hydrocarbon prospecting.

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/content/papers/10.3997/2214-4609.201802652
2018-09-09
2024-04-24

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References

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201802652
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Magnetic and Mineralogy Analysis of Soils of Hydrocarbon Prospective Areas in Ukraine
Conference Proceedings 2018, 1 (2018); https://doi.org/10.3997/2214-4609.201802652
/content/papers/10.3997/2214-4609.201802652
/content/papers/10.3997/2214-4609.201802652
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