Bezruchko K.А., Prikhodchenko S.Yu., Prikhodchenko A.V., Drozhzha Т.М. HOW METAMORPHISM AND STRUCTURE OF THE COAL-BEARING STRATA IMPACT ON METHANE REDISTRIBUTION IN THE UNDERMINED COAL-ROCK MASSIF

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Parent Category: Geo-Technical Mechanics, 2016
Category: Geo-Technical Mechanics, 2016, Issue 128

HOW METAMORPHISM AND STRUCTURE OF THE COAL-BEARING STRATA IMPACT ON METHANE REDISTRIBUTION IN THE UNDERMINED COAL-ROCK MASSIF

Bezruchko K.А., Prikhodchenko S.Yu., Prikhodchenko A.V., Drozhzha Т.М.

Bezruchko K.А., D. Sc. (Geol.), Senior Researcher,

Prikhodchenko S.Yu., Ph.D. (Geol.), Senior Researcher,

Prikhodchenko A.V., Ph.D. (Geol.), Researcher,

Drozhzha Т.М., M.S (Tech.)

(IGTM NAS of Ukraine)

 

Abstract. The paper describes main geological factors, which determine methane redistribution in the undermined coal-rock massif and include the following: regional changes of coal-bearing rates, degree of coal layer metamorphism, and structure of the carboniferous strata.

It is stated that concentration of accumulated technogeneous resources of methane is increased due to the increased number and thickness of coal satellite layers in the north-east direction, which is associated with an increase of carboniferous strata capacity, i.e. the growing concentration of accumulated technogeneous resources of methane in the undermined coal-rock strata in mines of Donetsk-Makeyevka district in this direction is associated with the regional  changes of the basin geological structure, namely with increasing metamorphism degree of coals, increasing thickness and depth of the coal-bearing suits bedding, and increasing total thickness of the satellite layers.

 Evaluation of methane resource density changes in the coal satellite layers at undermining and comparison of the results with metamorphism degree of the worked-out coal layers have shown that meaning of methane resources participating in formation of technogeneous accumulations grows with increasing degree of the coals metamorphism.

Keywords: undermined coal-rock massif, geological factors, coal methane, accumulated technogeneous resources.

 

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About the authors

Bezruchko Konstantyn Andreyevich, Doctor of Geology Sciences (D. Sc), Senior Researcher, Head of Department of Geology of Coal Beds at Great Depths, N.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Prykhodchenko Svetlana Yuriyevna,Ph.D., Candidate of Geological Sciences (Ph.D.), Senior Researcher, a Senior Researcher in the Department of Geology of Coal Beds at Great Depths, N.S. Polyakov Institute of Geotechnical Mechanics  under the National Academy of Sciences of Ukraine (NASU IGTM), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Prykhodchenko Aleksey Vasiliyevich,Ph.D., Candidate of Geological Sciences (Ph.D.), a Researcher in the Department of Geology of Coal Beds at Great Depths, N.S. Polyakov Institute of Geotechnical Mechanics  under the National Academy of Sciences of Ukraine (NASU IGTM), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Drozhzha Tatyana Mikhaylovna, Master of Science, Principal Engineer of Department of Geology of Coal Beds at Great Depths, N.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.