Surface Christmas Tree (Dry Tree)
A Christmas tree is referred to as a series of valve & spool assembly fitted on top of the well. A Christmas tree is installed on top of the last casing spool on the surface well or the high pressure wellhead housing for a subsea well. Website: http://www.drillingformulas.com Faceboo: https://www.facebook.com/drillingformulas/
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HD![Happy Birthday V! ???????? Christmas Tree, Butter Holiday Dance Practice & More! [LIVE Stream Reaction]](https://avatars.mds.yandex.net/get-vthumb/1533463/418273070de6894403ea95ec3f7399d8/564x318_1)
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![[M/V] V - Christmas Tree :: 그 해 우리는 (Our Beloved Summer) OST Part. 5 Reaction | 反应](https://avatars.mds.yandex.net/get-vthumb/4515077/eeea6c21a6e64b5ab7f4c94057671372/564x318_1)
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![K-pop Artist Reaction] V - Christmas Tree :: 그 해 우리는(Our Beloved Summer) OST Part.5](https://avatars.mds.yandex.net/get-vthumb/3445876/71a16f9bf0238101a187410d748b62f1/564x318_1)
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HD![[M/V] V - Christmas Tree : 그 해 우리는(Our Beloved Summer) OST Part.5 Reaction | V OST Christmas Tree](https://avatars.mds.yandex.net/get-vthumb/4569442/578e938d253c9332903efea2625c355a/564x318_1)
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HD![V - Christmas Tree :: 그 해 우리는(Our Beloved Summer) OST Part.5 [Reaction]](https://avatars.mds.yandex.net/get-vthumb/2477395/10e342759b4ac827cf2760646abea2a0/564x318_1)
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