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Reasonable prediction estimates of coalbed methane (CBM) has important significance for economic development. Production estimates of CBM had recognized to be complex, nonlinear, and adherent with uncertainty, so it is necessary to analyze accurately coalbed gas potential production capacity by adopting other mathematics methods. In this paper, the using of type-2 fuzzy logic system (T2FLS) as a novel...
Coal bed methane (CBM), as a new energy, has become an important supplement to natural gas in China. Development and utilization of CBM can also reduce greenhouse gas emissions and protect of ecological environment. Very different forms of the Chinese CBM extraction, but the basic mode can be classified as Jincheng mode, Huainan mode and virtual reservoir mode. Ventilation air methane (VAM) use and...
The migration, accumulation, and production of coalbed methane (CBM) are absolutely different from the conventional natural gas. The mechanism of the migration and production of CBM are researched and the geological model of CBM reservoir simulation is presented in this paper. The desorption, diffusion and percolation flow from matrix surface into wellbore are considered. This model introduced the...
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