... guidelines for efficient methane drainage from coal seams with potential for coal and gas outbursts. reservoir geomechanics Reservoir Characterization coalbed methane coal bed methane flow in porous media coal seam gas drillstem/well testing outburst condition normal coal gas outburst coal...

... geological section though the tunnel. coalbed methane coal bed methane Upstream Oil & Gas AMT survey structural geology Bostick Reservoir Characterization complex reservoir drill log coal seam gas Fracture Zone conductivity resistivity sandstone high mountain area geological survey...

... coal bed methane reservoir geomechanics Reservoir Characterization coalbed methane Fluid Dynamics complex reservoir shear failure zone residual cohesion wellbore coal sample flow in porous media Upstream Oil & Gas failure zone MPa peak cohesion permeability coal seam gas...

... complex reservoir coal bed methane Upstream Oil & Gas coal seam gas coalbed methane container variation diffusion coefficient concentration estimate gas diffusion characteristic gradient experiment permeability diffusion equation total pressure coal matrix gas pressure...

... US government coal bed methane Reservoir Characterization complex reservoir modeling Upstream Oil & Gas face position material property sandstone layer coal seam gas progressive gob formation vertical extent climate change coalbed methane air emission finite element modeling...

... ABSTRACT: In numerical studies of coalbed methane stimulation, mechanisms of cavity formation and permeability alteration have been modeled using a fully coupled mechanical - fluid flow approach. The coal is represented as a naturally fractured medium on the scale of the cleat system...

... the void spaces in the fracture. coalbed methane flow rate complex reservoir dimensional reconstruction critical path cleat network coal seam gas effective cleat porosity void space fluid flow fracture porosity MPa reconstruction coal core coal bed methane Upstream Oil & Gas...