Reasons and countermeasures for drilling and mechanical injury accident of drilling rig in underground coal mine
PI Xi-yu
LI Tie
WANG Shuan-lin
Abstract:Through in-depth analysis of phenomenon and reasons for common drilling accidents in gas drainage drilling construction of underground coal mines, such as drill sticking and pushing, drill pipe torsion fracture, deviation, connected pores, water gushing and orifice, guidance processing method was proposed, the reasons for seven rigs common mechanical injury accidents in drilling construction were analyzed, preventive measures were proposed.
Keywords:drilling rig in underground coal minedrilling accidentmechanical injury accidentgas drainage drilling
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:3( 49-51 )

PKUISTIC
ISSN:1671-0959
Year, Vol.(Issue):2017,49(1)