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发明名称
SKUM FOR AA FORBEDRE SVEIPEEFFEKTIVITETEN I UNDERJORDISKE OLJEFOERENDE FORMASJONER
摘要
申请公布号
NO924645(A)
申请公布日期
1993.01.14
申请号
NO19920004645
申请日期
1992.12.02
申请人
MARATHON OIL CO
发明人
SYDANSK ROBERT S
分类号
E21B33/138;C09K8/518;C09K8/60;C09K8/94;E21B33/13;E21B43/32;(IPC1-7):E21B43/22
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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