Wellhead Equipment and Christmas Tree
Wellhead and Christmas tree equipment is an important equipment of oil and gas drilling, the casing head, tubing head, 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.
Product specification
The design conforms to the requirements of API SPEC6A specification.
Rated working pressure: 2000-2000 psi.
Rated temperature: K, L, P, R, S, T, U and V.
Product material level: AA, BB, CC, DD, EE, FF.
Product specification level: psl1-psl4.
Performance requirements: PR1 and PR2.
Applicable media: oil, natural gas, mud, etc.
井口装置及采油树设备是油气开采的重要设备，由套管头、油管头、采油（气）树三部分组成，用来连接套管柱、油管柱，并密封各层套管之间及与油管之间的环形空间，并可控制生产井口的压力和调节油（气）井口流量，也可用于酸化压裂、注水、测试等特殊作业。
产品技术规范
设计符合API SPEC6A规范的要求
额定工作压力：2000-20000PSI
额定温度级别：K、L、P、R、S、T、U、V
产品材料级别：AA、BB、CC、DD、EE、FF
产品规范级别：PSL1-PSL4
性能要求级别：PR1、PR2
适用介质：石油、天然气、泥浆等
The casing head and the sleeve of the casing are seated with a straight seat structure, and a 45-degree cone is mounted on the shoulder, which has a good bearing capacity.
· the casing head can be designed into an integral structure or split structure according to the requirements.
· the connection between the casing head and the surface pipe can be: welding type, thread type and slip type.
· structural type of casing hanger: slip type and thread type (mandrel type)
· the connection of side outlet is: thread, flange type, flange type.
· the bottom of the casing head and casing is provided with the casing secondary sealing mechanism and the sealing test port.
套管头、套管四通的套管悬挂器坐孔直座结构，坐挂台肩45度锥面，具有较好的承重能力。
·根据需要可将套管头设计成整体式结构或分体式结构
·套管头与表层管的连接方式可为：焊接式、螺纹式、卡瓦式
·配用套管悬挂器结构型式：卡瓦式、螺纹式（芯轴式）
·侧出口的连接方苣有：螺纹式、栽丝法兰式、法兰式
·套管头、套管四通的底部设有套管二次密封机构和密封测试口
The tubing hanger of the tubing head is a straight seated structure. With a 45-degree cone on the shoulder, it has good truncation ability.
· the side outlet is planted with a silk flanged type, and a VR thread is set for the valve operation.
· the bottom flange is provided with the secondary sealing mechanism of production casing and the sealing test port.
· tubing head and tubing head reducer can be used for direct cable crossing or cable crossing, and control pipeline interface can be set.
· the tubing head can set back pressure thread as needed.
Product specification
The design conforms to the requirements of API SPEC6A specification.
Rated working pressure: 2000-2000 psi.
Rated temperature: K, L, P, R, S, T, U and V.
Product material level: AA, BB, CC, DD, EE, FF.
Product specification level: psl1-psl4.
Performance requirements: PR1 and PR2.
Applicable media: oil, natural gas, mud, etc.
井口装置及采油树设备是油气开采的重要设备，由套管头、油管头、采油（气）树三部分组成，用来连接套管柱、油管柱，并密封各层套管之间及与油管之间的环形空间，并可控制生产井口的压力和调节油（气）井口流量，也可用于酸化压裂、注水、测试等特殊作业。
产品技术规范
设计符合API SPEC6A规范的要求
额定工作压力：2000-20000PSI
额定温度级别：K、L、P、R、S、T、U、V
产品材料级别：AA、BB、CC、DD、EE、FF
产品规范级别：PSL1-PSL4
性能要求级别：PR1、PR2
适用介质：石油、天然气、泥浆等
The casing head and the sleeve of the casing are seated with a straight seat structure, and a 45-degree cone is mounted on the shoulder, which has a good bearing capacity.
· the casing head can be designed into an integral structure or split structure according to the requirements.
· the connection between the casing head and the surface pipe can be: welding type, thread type and slip type.
· structural type of casing hanger: slip type and thread type (mandrel type)
· the connection of side outlet is: thread, flange type, flange type.
· the bottom of the casing head and casing is provided with the casing secondary sealing mechanism and the sealing test port.
套管头、套管四通的套管悬挂器坐孔直座结构，坐挂台肩45度锥面，具有较好的承重能力。
·根据需要可将套管头设计成整体式结构或分体式结构
·套管头与表层管的连接方式可为：焊接式、螺纹式、卡瓦式
·配用套管悬挂器结构型式：卡瓦式、螺纹式（芯轴式）
·侧出口的连接方苣有：螺纹式、栽丝法兰式、法兰式
·套管头、套管四通的底部设有套管二次密封机构和密封测试口
The tubing hanger of the tubing head is a straight seated structure. With a 45-degree cone on the shoulder, it has good truncation ability.
· the side outlet is planted with a silk flanged type, and a VR thread is set for the valve operation.
· the bottom flange is provided with the secondary sealing mechanism of production casing and the sealing test port.
· tubing head and tubing head reducer can be used for direct cable crossing or cable crossing, and control pipeline interface can be set.
· the tubing head can set back pressure thread as needed.
油管头的油管悬挂器挂孔为直座式结构。坐挂台肩为45度锥面，具有较好的承截能力。
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·侧出口为栽丝法兰式，并设有VR螺纹，以便于换阀作业
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·底部法兰设有生产套管的二次密封机构和密封测试口
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·油管头及油管头异径接头可进行电缆直接穿越或电缆穿越器整体穿越，并可设控制管线接口
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·油管头可根据需要设置背压螺纹
Shengli Oilfield and R&T Group offers API standard wellhead equipment.
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