| 发明名称 |
Subsea Wellhead System With Hydraulically Set Seal Assemblies |
| 摘要 |
A wellhead system, the system including a wellhead housing having a central axis, an upper end, and a radially inner surface extending axially from the upper end. The system also includes a first casing string disposed within the wellhead housing. The first casing string includes a casing hanger and casing extending axially from the casing hanger. The system further includes a first ram block movably coupled to the housing and a second ram block movably coupled to the housing and radially opposed to the first ram block. Each ram block has a withdrawn position radially spaced apart from the casing hanger of the first casing string and an advanced position sealingly engaging the casing hanger of the first casing string. |
| 申请公布号 |
US2014251634(A1) |
申请公布日期 |
2014.09.11 |
| 申请号 |
US201414199544 |
申请日期 |
2014.03.06 |
| 申请人 |
Curtiss Jason P.;Walz Gregory S. |
发明人 |
Curtiss Jason P.;Walz Gregory S. |
| 分类号 |
E21B33/04 |
主分类号 |
E21B33/04 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A wellhead system, comprising:
a wellhead housing having a central axis, an upper end, and a radially inner surface extending axially from the upper end; a first casing string disposed within the wellhead housing, wherein the first casing string includes a casing hanger and casing extending axially from the casing hanger; a first ram block movably coupled to the housing; a second ram block movably coupled to the housing and radially opposed to the first ram block; wherein each ram block has a withdrawn position radially spaced apart from the casing hanger of the first casing string and an advanced position sealingly engaging the casing hanger of the first casing string. |
| 地址 |
Houston TX US |
