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Article
The Controversial Genesis of Thermogenic Gas—A Polemical Article
Author(s)
Andrzej Pawuła
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DOI:10.17265/2162-5298/2022.04.001
Affiliation(s)
Institute of Geology, Adam Mickiewicz University, Senior Academic Lecturer, Poznań 61-712, Poland
ABSTRACT
The article contains a critique of the biogenic theory of natural gas, which incorrectly combines the phenomenon of methane formation in the anaerobic process of decomposition of organic matter with the phenomenon of methane expulsion in the process of pyrolysis and cracking. The view of the organic origin of methane is treated as a paradigm, despite the lack of thermal conditions to induce expulsion. The mineralized organic substance for which the name “kerogen” was created undergoes the process of carbonization and this process, under the conditions of the deposit, is a one-way process. The paradox of the petroleum geology methodology is the determination of the oil potential from the TOC (Total Organic Carbon) in the rock. In reservoir conditions, methane is produced by chemical reactions of igneous gases, mainly hydrogen, carbon and oxygen. These elements are formed in the process of hot plasma recombination in zone D” and the formation of basalt magma. The change in the structure of matter causes stresses in the rock mass and the formation of igneous intrusions. After lowering the temperature of post-igneous solutions, the release of igneous gases and a rapid increase in pressure occurs. In the created dislocation zones tectonic pressure in natural gas deposits is more than twice the hydrostatic pressure. The process of the evolution of igneous gases and reactions between them are, among others, methane explosions in hard coal mines. The inorganic origin of methane also has a positive aspect, the conclusion is that natural gas resources are renewable and that they are ubiquitous.
KEYWORDS
Igneous intrusion, thermogenic gas, dry gas, reservoir brine, mineral deposits, phenomenon of plasma recombination.
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