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发明名称
CASING WHILE DRILLING
摘要
申请公布号
AU2002351326(A1)
申请公布日期
2003.07.09
申请号
AU20020351326
申请日期
2002.12.10
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
KENT SAUGIER
分类号
E21B7/20;E21B43/10
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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