Annular isolators for tubulars in wellbores,申请号GB20090005142-传众专利搜索

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发明名称	Annular isolators for tubulars in wellbores
摘要
申请公布号	GB0905142(D0)	申请公布日期	2009.05.06
申请号	GB20090005142	申请日期	2004.02.13
申请人	HALLIBURTON ENERGY SERVICES, INC.	发明人
分类号	E21B33/12;E21B43/10	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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