Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser,申请号GB20060007617-传众专利搜索

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发明名称	Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser
摘要
申请公布号	GB0607617(D0)	申请公布日期	2006.05.31
申请号	GB20060007617	申请日期	2004.09.14
申请人	WEATHERFORD/LAMB INC.	发明人
分类号	E21B19/00;E21B21/08	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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