One trip well drilling to total depth,申请号GB20090008464-传众专利搜索

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发明名称	One trip well drilling to total depth
摘要
申请公布号	GB2456959(A)	申请公布日期	2009.08.05
申请号	GB20090008464	申请日期	2005.06.16
申请人	BAKER HUGHES INCORPORATED	发明人	RICHARD M BENNETT;ALAN B EMERSON;MATTHEW J JABS;MARK K ADAM
分类号	E21B47/10;E21B29/10	主分类号	E21B47/10
代理机构		代理人
主权项
地址

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