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发明名称
Downhole tool and method for use of the same
摘要
申请公布号
EP0811747(A3)
申请公布日期
1999.11.17
申请号
EP19970303377
申请日期
1997.05.19
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
RINGGENBERG, PAUL D.;SCHULTZ, ROGER L.;SKINNER, NEAL G.;WAID, MARGARET C.;WENDLER, CURTIS E.;SRUBAR, ROBERT W.
分类号
E21B23/00;E21B33/128;E21B34/10;E21B49/08;(IPC1-7):E21B23/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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