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发明名称
WELL TOOL
摘要
申请公布号
EP0729543(A4)
申请公布日期
2002.09.25
申请号
EP19950902670
申请日期
1994.11.22
申请人
EXXONMOBIL OIL CORPORATION
发明人
JONES, LLOYD, GARNER
分类号
E21B17/18;E21B43/04;E21B43/08;E21B43/26;(IPC1-7):E21B43/04;E21B21/12
主分类号
E21B17/18
代理机构
代理人
主权项
地址
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