DOI: 10.11799/ce201705003
Dynamic measurement of gas drainage radius in single coal seam bedding borehole
ZOU Yun-long
Abstract：In order to more conveniently determine coal seam gas drainage radius,under the hypothesis that gas drainage rule is basically consistent in the same geological unit,a method was proposed,using the superposition function relationship between gas drainage quantity from branch pipe and drilling amount in each section and the drainage time,to obtain the gas drainage radius of any gas content area in the geological unit,and realize the dynamic measurement.The method was applied in 3207 working face air return way of Xinyuan Company,the result was close to the pressure drop method result.
Keywords：single coal seambedding drillinggas drainage radiusdynamic measurement
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 8-10,14 )