Isbn: 9787564632274 - 注气开采煤层气多场耦合模型研究及应用 (1 risultati)

paperback. Condizione: New. Paperback.Pub Date:2019-11-01 Pages:99 Language:Chinese Publisher:China University of Mining and Technology Press CO2 gas injection mining can not only effectively alleviate the greenhouse effect by geological storage of CO2. but also contribute to the extraction of coalbed methane Efficiency and yield.?Based on this background. this paper uses a self-developed gas permeability test system to determine the variation of coal sample permeability with confining pressure and pore pressure.?Carry .…