4D gas geological research on coal seam with gas hazard potential in mining panel

• Autorzy: Cui Hongqing , He Xin , Wang Zehua

Identyfikatory

DOI

10.46873/2300-3960.1353

• Języki publikacji: EN

Abstrakty

EN

According to regulations of the mining industry in China, it is necessary to carry out gas hazard prevention projects in advance when mining coal seams with gas hazard potential, and gas geological research should be taken as the basic work for optimal design and effective construction of gas hazard prevention projects. Research on coal seam with gas hazard potential have shown that anomalous geological area could be the gas hazard potential area as well, where superimposed tectonic and mining stress field usually results in tectonically disturbed coal and pressured gas. A 4D gas geological research method is used to find out the anomalous geological area and assess its gas hazard potential. The method covers two ranges of gas geological research: fine geological survey and 4D analysis. The former includes a comprehensive prospect of concealed small geological anomalies (such as small fault, small fold and coal thickness variation) by use of gas extraction projects; The latter includes a dynamic forecast of gas hazard potential from space-time perspective based on numerical simulation analysis on additional stress fields around small geological structures beyond coal mining face. Its research benefit the optimal design and effective implementation of gas hazard prevention measures in coal mining panel with high coal and gas outburst potential.

Słowa kluczowe

EN

gas geology; gas hazard prevention; small geological structure; fine geological survey; 4D analysis

PL

geologia gazowa; zapobieganie zagrożeniom gazowym; mała struktura geologiczna; szczegółowe badania geologiczne; analiza 4D

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2022
• Tom: Vol. 21, iss. 2
• Strony: 112--119
• Opis fizyczny: Bibliogr. 32 poz.

Twórcy

autor

Cui Hongqing

• Henan Polytechnic University (HPU), School of Safety Science and Engineering, China

• https://orcid.org/0000-0002-5755-6400

autor

He Xin

• Henan Polytechnic University (HPU), School of Safety Science and Engineering, China

autor

Wang Zehua

• Henan Polytechnic University (HPU), School of Safety Science and Engineering, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).