发明名称 |
Slurry tolerant pilot operated relief valve |
摘要 |
Cartridge-style fluid control devices are provided that are static pressure independent and capable of repeatable, reliable, particulate insensitive performance in service conditions typical of downhole intervention environments. |
申请公布号 |
US2007001134(A1) |
申请公布日期 |
2007.01.04 |
申请号 |
US20060569560 |
申请日期 |
2006.02.27 |
申请人 |
EXXONMOBIL UPSTREAM RESEARCH COMPANY |
发明人 |
LONNES STEVEN B. |
分类号 |
F16K31/00;F16K31/122;F16K31/143;F16K31/163;F16K31/363;F16K31/383;G05D7/01;G05D16/10 |
主分类号 |
F16K31/00 |
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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