发明名称 |
APPARATUS AND METHOD FOR SUBSEA CONNECTIONS OF TREES TO SUBSEA WELLHEADS |
摘要 |
<p>A method and apparatus utilizing a tree running tool (120) for guiding a conventional or horizontal tree (150) for the purpose of connection to a subsea wellhead or wellhead system (110) without the use of guidelines or guide funnels as shown in the embodiment of Figures 3 and 4. The horizontal tree (150) has an orientation sleeve (154) projecting downwardly from tree body (150), and the tree running tool (120) has a lower stabbing extension or stinger (100) which extends below the orientation sleeve for guiding and aligning the orientation sleeve (154) into engagement with a high pressure wellhead housing (153) and associated production casing hanger (159) for connection of the tree body (150) to the high pressure wellhead housing (153).</p> |
申请公布号 |
WO9849422(A1) |
申请公布日期 |
1998.11.05 |
申请号 |
WO1998US08508 |
申请日期 |
1998.04.28 |
申请人 |
FMC CORPORATION |
发明人 |
CUNNINGHAM, CHRISTOPHER, E. |
分类号 |
E21B33/035;E21B41/10;(IPC1-7):E21B33/043 |
主分类号 |
E21B33/035 |
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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