Method and apparatus for cementing a well,申请号EP19980203596-传众专利搜索

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发明名称	Method and apparatus for cementing a well
摘要
申请公布号	EP0913554(A3)	申请公布日期	2000.03.15
申请号	EP19980203596	申请日期	1998.10.26
申请人	SOFITECH N.V.;COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER S.A.	发明人	RHEIN-KNUDSEN, ERIK;VERCAEMER, CLAUDE;PROUVOST, LAURENT;MILNE, ARTHUR
分类号	E21B43/10;(IPC1-7):E21B43/10	主分类号	E21B43/10
代理机构		代理人
主权项
地址

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