Packervorichtung im Bohrloch und Verfahren zur Begrenzung der Extrusion eines Packerelements,申请号DE19966028814-传众专利搜索

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发明名称	Packervorichtung im Bohrloch und Verfahren zur Begrenzung der Extrusion eines Packerelements
摘要
申请公布号	DE69628814(D1)	申请公布日期	2003.07.31
申请号	DE19966028814	申请日期	1996.08.02
申请人	HALLIBURTON ENERGY SERVICES, INC.	发明人	HUSHBECK, DONALD F.;YUAN, YUSHENG;DAVISON, DOUGLAS W.
分类号	E21B33/12;E21B33/129;(IPC1-7):E21B33/12	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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