METHOD AND APPARATUS FOR VARYING THE DENSITY OF DRILLING FLUIDS IN DEEP WATER OIL DRILLING APPLICATIONS,申请号EP20030811248-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR VARYING THE DENSITY OF DRILLING FLUIDS IN DEEP WATER OIL DRILLING APPLICATIONS
摘要
申请公布号	EP1558831(A2)	申请公布日期	2005.08.03
申请号	EP20030811248	申请日期	2003.11.03
申请人	DE BOER, LUC	发明人	DE BOER, LUC
分类号	E21B21/00;E21B;E21B1/00;E21B7/128;E21B21/06;E21B21/08;E21B21/10;E21B21/14;E21B33/035;E21B33/076;(IPC1-7):E21B1/00	主分类号	E21B21/00
代理机构		代理人
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