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- W2363075207 abstract "In the process of draining gas in gob area of a coal mine,the stability of surface drilling well and gas drainage effect were improved by studying different factors affecting the drainage effect and the term of service with the method of numerical simulation of computational fluid dynamics(CFD) and field test.The result shows that the drainage of surface drilling well reduces the gas concentration of outtake air in working face to a great degree and the drainage effect is restricted by factors of coal seam and location of surface drilling well.According to the failure analysis of the test well,that the drilling well locates at the site 30 m far from the outtake may improve the stability and the term of service.The result of this study is significant for popularizing the surface well gas drainage technology." @default.
- W2363075207 created "2016-06-24" @default.
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- W2363075207 date "2007-01-01" @default.
- W2363075207 modified "2023-09-24" @default.
- W2363075207 title "Practice of Methane Drainage by Surface Well Drilling in Huainan Mining Area" @default.
- W2363075207 hasPublicationYear "2007" @default.
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