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发明名称
COMPOSITION AND METHOD FOR TEMPORARILY REDUCING THE PERMEABILITY OF SUBTERRANEAN FORMATIONS
摘要
申请公布号
EP0228196(B1)
申请公布日期
1992.01.22
申请号
EP19860309392
申请日期
1986.12.02
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
BELLIS, HAROLD EDWARD;MCBRIDE, EDWARD FRANCIS
分类号
E21B43/22;C09K8/88;E21B33/138;E21B43/25
主分类号
E21B43/22
代理机构
代理人
主权项
地址
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