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发明名称
METHOD OF COMPLETING PRODUCTION WELLS FOR THE RECOVERY OF GAS FROM COAL SEAMS
摘要
申请公布号
EP0228891(B1)
申请公布日期
1991.03.27
申请号
EP19860310039
申请日期
1986.12.22
申请人
CANADIAN HUNTER EXPLORATION LTD.
发明人
WYMAN, RICHARD E.
分类号
E21B43/00;E21B43/26
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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