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发明名称
FOAMING AGENTS FOR USE IN COAL SEAM RESERVOIRS
摘要
申请公布号
EP1257729(B1)
申请公布日期
2006.07.12
申请号
EP20010915279
申请日期
2001.02.19
申请人
SOFITECH N.V.;COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER
发明人
ENGLAND, KEVIN, W.;BROWN, J., ERNEST;HINKEL, JERALD, J.;REDDY, RAMCHANDRA, M.
分类号
E21B43/26;C09K8/70;C09K8/94;E21B43/25
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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