Determination of fluid influx or efflux,申请号GB19980012135-传众专利搜索

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发明名称	Determination of fluid influx or efflux
摘要
申请公布号	GB9812135(D0)	申请公布日期	1998.08.05
申请号	GB19980012135	申请日期	1997.01.24
申请人	ANADRILL INTERNATIONAL SA	发明人
分类号	E21B21/08;E21B47/06;E21B47/10	主分类号	E21B21/08
代理机构		代理人
主权项
地址

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