UNDERBALANCED WELL DRILLING AND PRODUCTION,申请号EP20040806532-传众专利搜索

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发明名称	UNDERBALANCED WELL DRILLING AND PRODUCTION
摘要
申请公布号	EP1700000(B1)	申请公布日期	2008.04.23
申请号	EP20040806532	申请日期	2004.10.25
申请人	STENA DRILLING LTD.	发明人	HUMPHREYS, GAVIN
分类号	E21B21/00;E21B33/038;E21B19/00;E21B21/08;E21B33/08	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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