发明名称 Sub-sea test tree
摘要 <p>A subsea test tree (12) comprises a latch head assembly (26), a valve assembly (30) including first and second safety valves, and an elongated first tubular member (40) interconnected between and axially separating the latch head assembly (26) and valve assembly (30). The subsea test tree which is usable within a compact BOP stack, permits sealing closure of multiple pipe rams therewith, and permits a portion thereof to be operatively positioned within the BOP stack axially between multiple pipe rams and multiple shear rams. &lt;IMAGE&gt;</p>
申请公布号 EP0943781(A2) 申请公布日期 1999.09.22
申请号 EP19990301955 申请日期 1999.03.15
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 GARCIA-SOULE, VIRGILIO
分类号 E21B34/04;(IPC1-7):E21B34/04 主分类号 E21B34/04
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