4-18-5

ISSN 2307-2091 (Print) 

ISSN 2500-2414 (Online)

§     HOME      № 4 (52) 2018

ABOUT POSSIBLE MAXIMUM DEPTH OF OIL DEPOSITS


Kirill Svyatoslavich IVANOV

 

УДК 553.982.2

https://doi.org/10.21440/2307-2091-2018-4-41-49 

 

K. S. Ivanov / News of the Ural State Mining University. 2018. Issue 4(52), pp. 41-49


Relevance of research. The study of the origin of oil is fundamental in geology, with essential scientific and practical importance. In connection with the gradual exhaustion of deposits of small and medium depths (up to 4.5 km), the question inevitably arises of the development of deeper hydrocarbon
deposits.
The purpose of the work: to estimate the depth to which it is currently possible to detect oil fields.
Methodology of the research: analysis of theoretical models of inorganic formation of oil and the deep structure of the earth’s crust with the involvement of new data from experiments and global discoveries of deposits at super depths.
Results. Based on the rheological model by S. N. Ivanov (about the structure of the continental crust), the deepest oil fields should be located immediately below the separator, that is, directly under the fluid-tight boundary, usually at a depth of 10–11 km. According to the model of oil formation by A. I. Malyshev (model of cooling horizons), the maximum depth for oil fields is 12 km. Oil deposits with a depth of 10.7 km are already known. Tests by V. S. Balitsky and others on the phase states of water-hydrocarbon fluids at high temperatures and pressures show that there may be oil deposits of at least 12 km. Now, the same depth is maximally achievable when drilling.
Conclusion. Finding oil fields is possible to a depth of 12 km. However, the concept of the inorganic oil origin does not assume the necessity and expediency of searching for its deposits in the basement of Western Siberia and Yamal, over vast areas outside the known oil-bearing regions. If there
were significant oil-bearing deep breaks there, then oil, due to its lightness, would appear in the mantle. Therefore, the primary object of exploration is deep horizons under large oil fields.

Keywords: oil fields, deep structure of the earth’s crust, fluids.

 

 

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