发明名称 |
SEAL STACK FOR SLIDING SLEEVE |
摘要 |
A method and apparatus for sealing a tool for use in a wellbore is provide d. The seal is configured to be disposed in a tool comprising a ported sliding sleeve and a ported housing. The tool may be actuable between a closed and an open position. The seal is configured so that one side of the seal acts as a flow restrictor to protect the other side of the seal from damage during actuation of the to ol under pressurized conditions.
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申请公布号 |
CA2490505(C) |
申请公布日期 |
2008.08.19 |
申请号 |
CA20042490505 |
申请日期 |
2004.12.17 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
FLORES, ANTONIO;TRAN, KHAI;COON, ROBERT;WINTILL, CHARLES |
分类号 |
E21B34/14;E21B23/10 |
主分类号 |
E21B34/14 |
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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