ABOUT EFFECT OF GEODYNAMIC PROCESSES ON ACCUMULATION AND MIGRATION OF GASES IN CARBONIC MASSIF OF DONBAS

Details

Parent Category: Geo-Technical Mechanics, 2015

Category: Geo-Technical Mechanics, 2015, Issue 120

UDC 551.242:622.411.332:533.17(477.61/62)

Authors:

Bulat А.F. , Akad. NASU, D.Sc (Tech), Professor,

Pymonenko L.I. , D. Sc (Geol), Senior Researcher,

Balalayev A.K. , Ph. D (Biol.), Senior Researcher,

(IGTM NAS of Ukraine)

Bokiy B.W, D. Sc (Tech)

Gunya D.P., Ph. D. (Tech)

(PAS « A.F. Zasyadko mine»)

Abstract.

Purpose of the research was to study influence of geodynamic processes on gas accumulation and migration in the Donbass coal-rock massif. Experimental findings on component composition of gases in the conveyor passway (14 samples - 6 survey stakes) and ventilation passway (12 samples - 6 survey stakes) in the eastern inclined longwall face at A.F. Zasjadko Mine (Donetsk and Makeevka regions of Donbas) are presented. Analysis of the findings shows that volume and composition of gases in the samples taken simultaneously from different stakes, differ from each other; more over, content of helium, hydrogen, methane and other components in the same stakes are periodically changed. Results of statistical data processing are presented. Lithologic and tectonic conditions of the area and geodynamic processes impacting on the region were analyzed.

An assumption has been made that duration of intensification of gas, helium in particular, ingress into the rock mass is connected with the earthquakes happened in the Black Sea and Carpathian regions in 2008 year. Essence of the mechanism is that periodically changed global natural processes activate deep fracturing causing tectonic impulses which promote seepage of pore fluids through the fractured zones and intensify interaction of the fluids with the rocks and coals of the massif and involve adjoining rocks into the gas-generation process. Repetitive stress fields differed by their volume and direction promote multiple circulation of gas-water streams in the stratified coal-contained thickness and, consequently, intensify structural transformations of the coal substance. Geological conditions of the coal bedding impact on localization of component composition of gases.

Keywords:

geodynamics, composition of gases, gas migration, Donbass.

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About the authors:

Bulat Аnatoly Fedorovich, Academician of the National Academy of Sciences of Ukraine, Doctor of Technical Sciences (D.Sc.), Professor, Direсtor of the Institute, M.S. Polyakov Institute of  Geotechniсal Mechanics under 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.

Pymonenko Lyudmila Ivanovna, Doctor of Geology (D.Sc), Senior Researcher, Principal Researcher in the Department of Geology of Coal Fields at Great Depths, M.S. Polyakov Institute of  Geotechnical Mechanics under 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.

Balalayev Alexander Konstantinovich, Candidate of Biology (Ph. D), Senior Researcher, Senior Researcher in the Department of Geology of Coal Fields at Great Depths, M.S. Polyakov Institute of  Geotechnical Mechanics under National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine

BokiyBoris Vsevolodovich, Doctor of Technical Sciences (D.Sc.), Deputy Director General of PAS «A.F. Zasyadko mine», Donetsk

Gunya Dmitry Petrovich, Candidate of Technical Sciences (Ph. D), Technical Director of PAS «A.F. Zasyadko mine», Donetsk

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