煤层气欠平衡钻井环空注气工艺优化

张义;鲜保安;赵庆波;周卫东;孙平

Optimization of annular gas injection technology in coalbed methane aerated under-balanced drilling

Zhang Yi; Xian Baoan; Zhao Qingbo; Zhou Weidong and Sun Ping

. 2009, (3): 1727 -0 .