Open AccessA Study on the Dynamic Adjustment of Pressure Relief Gas Drainage Drilling in Mined-Out Areas
Author(s) -
Bo Bi,
Jianbing Meng,
Bengliang Cheng
Publication year - 2021
Publication title -
world journal of engineering and technology
Language(s) - English
Resource type - Journals
eISSN - 2331-4222
pISSN - 2331-4249
DOI - 10.4236/wjet.2021.92023
Subject(s) - borehole , drilling , coal mining , drainage , petroleum engineering , mining engineering , coal , extraction (chemistry) , greenhouse gas , directional drilling , drill , engineering , geology , geotechnical engineering , mechanical engineering , waste management , ecology , chemistry , oceanography , chromatography , biology