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发明名称
Reverse circulation cementing process
摘要
申请公布号
EP1739278(A3)
申请公布日期
2007.08.29
申请号
EP20060076805
申请日期
2004.05.13
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
GRIFFITH, JAMES E.;MARRIOTT, TIMOTHY W.;LEGIS, EDGAR J.;HUMPHREY, RANDY D.;DENNIS, JOHN L. JR.
分类号
E21B21/10;E21B33/14
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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