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Our Country Coal Crag Reservoir Hole——Crevasse Structural Research Progress

LI Qiang1,OU Cheng-hua1,XU Le2,ZHOU Chang-lin3(1.Petroleum Project Academy at Southwest Petroleum University,Chengdu 610500,China;2.Liaohe Oil Field Drills Handicraft Research Institute,Panjin 124000,China;3.Gas Production Yard at Southwest Oil and Gas Field Branch Company,Guanghan 618300,China)  
Coal reservoir is a kind of dual porosity system(pore-fracture) reservoirs.Pore and fracture morphology,structure,and other characteristics will affect coalbed methane,s reservoir and migration.This paper mainly on the previous pores,fractures research methods,as well as domestic scholars on the pores,fractures results of a preliminary study concluded,a display of China's current system on the coal reservoir porosity and fracture system of the status quo.
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