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 within the protection fluid chamber, and a moveable mechanism in functional connection with the protection fluid chamber in a manner to expel a portion of the protection fluid when the moveable mechanism moves.
|
申请公布号 |
US2005056429(A1) |
申请公布日期 |
2005.03.17 |
申请号 |
US20040710492 |
申请日期 |
2004.07.15 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
DU MICHAEL HUI;READ DENNIS M. |
分类号 |
E21B34/00;E21B34/12;E21B41/00;(IPC1-7):E21B37/08;E21B21/00;E21B31/08 |
主分类号 |
E21B34/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|