IMPROVED METHOD AND MULTI-PURPOSE APPARATUS FOR DISPENSING AND CIRCULATING FLUID IN WELLBORE CASING,申请号EP19980920208-传众专利搜索

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发明名称	IMPROVED METHOD AND MULTI-PURPOSE APPARATUS FOR DISPENSING AND CIRCULATING FLUID IN WELLBORE CASING
摘要
申请公布号	EP0995011(A1)	申请公布日期	2000.04.26
申请号	EP19980920208	申请日期	1998.05.01
申请人	FRANK'S INTERNATIONAL, INC.	发明人	HAWKINS, SAMUEL, P.;SIPOS, DAVID, L.;LUTGRING, KEITH, T.;LATIOLAS, BURNEY, J., JR.;MOSING, DAVID
分类号	E21B21/01;E21B21/10;E21B33/05;(IPC1-7):E21B33/05	主分类号	E21B21/01
代理机构		代理人
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