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发明名称
APHRON-CONTAINING WELL DRILLING AND SERVICING FLUIDS OF ENHANCED STABILITY
摘要
申请公布号
EP1114116(A4)
申请公布日期
2001.10.04
申请号
EP19990935510
申请日期
1999.07.12
申请人
ACTISYSTEMS, INC.
发明人
BROOKEY, TOMMY, F.
分类号
C09K8/08;C09K8/20;C09K8/575;E21B21/00;E21B31/03;(IPC1-7):C09K7/08;C09K7/02;E21B21/14;E21B33/138
主分类号
C09K8/08
代理机构
代理人
主权项
地址
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