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发明名称
Verfahren zum Bohren eines Lochs in einer durchlaessigen unterirdischen Formation und Bohrmittel zum Durchfuehren des Verfahrens
摘要
申请公布号
DE1433200(A1)
申请公布日期
1968.10.10
申请号
DE19641433200
申请日期
1964.12.02
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
JOHANNES SCHMIT JONGBLOED,LODEWIJK;VAN LINGEN,NICOLAAS HENK
分类号
C09K8/22;C09K8/24;E21B21/00
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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