|
Abstract Gas extraction is the basis of mine gas management, drilling and extraction directly effects gas control. Tao’er Mine of Handan Mining Group and Julong Company studied drilling and gas extraction refined management, through drilling in place, tough management and sealing, water discharge, improved gas extraction management, gas control and prevention work turned form measure equipment type to technical management type, from prevention first to control first, the technology ensured the safe production of the mine.
|