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发明名称
Steerable underreaming bottom hole assembly and method
摘要
申请公布号
GB2396879(B)
申请公布日期
2005.03.16
申请号
GB20040006403
申请日期
2002.03.08
申请人
* HALLIBURTON ENERGY SERVICES, INC.
发明人
CHEN-KANG * CHEN;WILLIAM H * SMITH JR
分类号
E21B7/06;E21B7/08;E21B17/03;(IPC1-7):E21B7/08
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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