| 发明名称 |
REVISED CURE CYCLE FOR ANNULAR PACKING UNITS |
| 摘要 |
A seal and a method of manufacturing a seal for a blowout preventer. The seal includes a rigid material insert disposed within an elastomeric body, with at least a portion of the rigid material insert selectively de-bonded from the elastomeric body. |
| 申请公布号 |
EP2049764(A4) |
申请公布日期 |
2014.10.15 |
| 申请号 |
EP20070799921 |
申请日期 |
2007.07.30 |
| 申请人 |
HYDRIL USA MANUFACTURING LLC |
发明人 |
BUTUC, STEFAN;KHANDOKER, SHAFIQ |
| 分类号 |
E21B33/03;B29C35/02;E21B33/06 |
主分类号 |
E21B33/03 |
| 代理机构 |
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代理人 |
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| 地址 |
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