发明名称 |
WELL TOOL PROTECTION SYSTEM AND METHOD |
摘要 |
The system including a well tool having a housing forming a protection fluid chamber in fluid communication with a discharge port, a protection fluid disposed withi n the protection fluid chamber, and a moveable mechanism in functional connection with the protecti on fluid chamber in a manner to expel a portion of the protection fluid when the moveable mechanism moves.
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申请公布号 |
CA2481757(A1) |
申请公布日期 |
2005.03.15 |
申请号 |
CA20042481757 |
申请日期 |
2004.09.13 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
READ, JR. DENNIS M.;DU, MICHAEL HUI |
分类号 |
E21B34/00;E21B34/12;E21B41/00;(IPC1-7):E21B17/00 |
主分类号 |
E21B34/00 |
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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