Key drilling technology of L type gas extraction horizontal well through goaf
LIU Xiugang
ZHANG Qiang
CUI Wanhao
Keywords：surface deep coal seam gas drainageL-type gas drainage horizontal welldrilling through goafnitrogen drillingrock formation disturbance zone
Publication Date：2023-08-20
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 33-38 )