发明名称 |
Tube assembly for servicing a well head and having an inner coil tubing injected into an outer coiled tubing |
摘要 |
A tube assembly for servicing a well head injects an inner continuous coil tubing into an outer continuous coil tubing which can be connected at one end to a well head of an oil or gas reservoir. The inner coiled tubing can be connected to a tool string for servicing the well.
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申请公布号 |
US5671811(A) |
申请公布日期 |
1997.09.30 |
申请号 |
US19960588200 |
申请日期 |
1996.01.18 |
申请人 |
HEAD, PHILIP |
发明人 |
HEAD, PHILIP |
分类号 |
E21B17/01;E21B19/22;E21B33/076;E21B41/10;(IPC1-7):E21B19/09 |
主分类号 |
E21B17/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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