Wellhead Christmas Tree In oil and gas extraction, oil recovery trees or "trees" are a combination of valves, casing tetrads and fittings used to regulate pipe flow in oil wells, gas wells, water injection wells, water treatment wells, gas injection wells, condensate wells and other types of wells. Product Description Wellhead and Christmas tree equipment is an important equipment of oil and gas drilling, the casing head, tubing head, and oil (gas) tree of three parts, used to connect the casing string and tubing string, and the sealing between the layers of casing and tubing annulus, and can control the production wellhead pressure and adjust the oil (gas) wellhead flow, also can be used in acid fracturing, injection, testing and other special operations. Wellhead devices and trees can be divided into oil production wellhead devices, gas recovery wellhead devices, fracturing and acidification wellhead devices, thermal recovery wellhead devices, and other wellhead devices. The Wellhead devices and tree is mainly assembled by a gate valve, throttle valve, three-way, four-way, plug valve emergency cut-off valve and other pressure components. Working Pressur:2000PSi,3000PSi,5000PSi,10000PSi,15000PSi, Technical Parameters 1. Nominal diameter:2-1/16,2-9/16,3-1/16,4-1/16, 2.Specification level:PSL1,PSL2,PSL3,PSL3G,PSL4 3. Performance levels: PR1, PR2 4. Material level: AA, BB, CC, DD, EE, FF, HH 5. Temperature level: K, L, N, P, S, T, U, V 6. Working Medium: Oil, Natural Gas, Mud and Gas Containing H2S, CO2 7. Execution standard: API 6A, NACE MR0175 8. Main Components: Casing Head, Tubing Head, FC type Gate Valves, Flange, Cross, Choke Valve, Casing Hangers, Tubing Hangers, Pressure Gauges, etc. Wellhead Christmas Tree Features Well Intervention Pressure Relief Chemical injection Tree and well-monitoring points Flow composition and rates Valve and throttle position feedback Connection points
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