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发明名称
UEBERWACHUNG DER BOHRSPUELUNGSZUSAMMENSETZUNG MITTELS ELEKTRODEN MIT FLIESSENDER FLUESSIGKEITSVERBINDUNG.
摘要
申请公布号
DE68903379(T2)
申请公布日期
1993.03.25
申请号
DE19896003379T
申请日期
1989.11.06
申请人
SERVICES PETROLIERS SCHLUMBERGER, PARIS, FR
发明人
JASINSKI, RAYMOND, TULSA OKLAHOMA 74137, US;FLETCHER, PHILIP, HARDWICK CAMBRIDGESHIRE, GB;VERCAEMER, CLAUDE, POUND HILL CAMBRIDGESHIRE, GB
分类号
E21B47/10;E21B49/00;G01N27/403;(IPC1-7):E21B49/00;G01N27/28
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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