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Underwater tree for test completion, production system of subsea wells, and method for disconnecting a tubular column.
Underwater tree for test completion, production system of subsea wells, and method for disconnecting a tubular column.
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机译:用于完成测试的水下采油树,海底井的生产系统以及用于断开管柱的方法。
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摘要
A subsea completion testing tree (SCTT) for connection in a tubular string includes a lower tree portion having a control valve; an upper tree portion separably connected to the lower tree portion at a latch; a circulation valve connected with the upper tree portion; and a retainer valve connected with the upper tree portion between the circulation valve and the latch.
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