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经营范围
发明名称
Apparatus for launching at least one plug into a tubular in a wellbore
摘要
申请公布号
AU724036(B2)
申请公布日期
2000.09.07
申请号
AU19980076262
申请日期
1997.12.08
申请人
WEATHERFORD/LAMB, INC.
发明人
TARALD GUDMESTAD
分类号
E21B33/05;(IPC1-7):E21B33/05
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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