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发明名称
VERFAHREN ZUR VERMINDERUNG DES WASSERZUFLUSSES IN ERDÖLBOHRUNGEN
摘要
申请公布号
DE69413949(D1)
申请公布日期
1998.11.19
申请号
DE19946013949
申请日期
1994.01.21
申请人
CENTRE FOR ENGINEERING RESEARCH INC., EDMONTON, ALBERTA, CA
发明人
PEACHEY, BRUCE, R., EDMONTON, ALBERTA T6J 5A1, CA
分类号
B01D17/00;B04C5/00;B04C9/00;B04C11/00;E21B43/38;(IPC1-7):E21B43/38;B01D17/02;E21B43/40
主分类号
B01D17/00
代理机构
代理人
主权项
地址
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