Oil and Gas Extraction Wellhead Equipment Chinese and English

• 螺纹（心轴）式套管悬持器  casing hangers, threaded(mandrel)  

在套管头内用套管上的外螺纹或内螺纹连接心轴以悬挂管柱的机构。

 In the casing head, the external or internal threads connected to the spindle are connected to the mechanism of the hanging string.

• 套管县挂器（卡瓦） casing hangers, (slips)  

在套管头内用楔形器件夹持套管，以悬挂套管柱的装置。

In the casing head, the sleeve is fitted with a wedge device to hang the casing string.

• 套管头壳体 casing head housing

连接表层套管的最上端，用于悬挂和密封套管柱的装置。

A device that connects the top end of the surface casing for suspension and sealing of the casing string.

• 套管头四通 casing head spool

连接在套管头上，用于悬挂和密封其它套管柱的装置。

A device attached to a casing head for suspension and sealing of other casing columns.

• 节流阀 chock (choke manifold for sale)

限制和调节流体流量的阀 

A valve that restricts and regulates fluid flow.

• 采油树 Christmas tree, or xmas tree, oilfield christmas tree

装于油管头最上部法兰上的阀门和附件的组合装置，用于控制井的产量。

A combination of valves and accessories installed on the top flange of the tubing head to control the output of the well.

• 转换四通 crossover  

在底部法兰面上或常规连接面上采用限面密封件的法兰式或其它连接的设备，并有适当的装置以悬挂和密封内层套管和油管柱的环形空间。转换四通顶部连接的压力额定值高于其底部连接。

In the bottom flange surface or regular use limit surface seal of the flange connection surface or other connected devices, and has the appropriate device to hang and seal the inner annular space of casing and tubing string. The pressure rating of the connection at the top of the switch is higher than the connection at the bottom.

• 炉（铸造批）heat (cast lot)  

同一炉最终熔炼出的材料。

The final melting material of the same furnace.

• 热处理批 heat treat lot  

在一个热处理周期中，同一批装载和运输的材料。

In a heat treatment cycle, the same load and transport material.

• 保压时间 hold period  

产品从开始承受压力到与压力源隔断的时间周期。 

The product begins to bear the pressure from the time period of the pressure source partition.

• 承压件 pressure-containing parts  

当丧失预期功能时会导致其封存的流体向大气泄漏的那些零件，如阀体、阀盖和阀杆。

When the desired function is lost, the parts of the fluid that it seals are leaking to the atmosphere, such as body, bonnet, and stem.

• 控压件 pressure-controlling parts  

控制或调节承压充体流动的那些零件，如阀通孔的密封机构、节流阀附件和悬挂器。 

The parts that control or adjust the flow of the pressure-filled body, such as the sealing mechanism of the valve port, the throttle valve accessories and the hanger.

• 承压完整性 pressure integrity  

产品保持承受压力的结构和阻止泄露的能力。

The product maintains the structure of pressure and the ability to prevent leakage.

• 螺纹（心轴）式油管悬挂器 tubing hanger,threaded (mandrel)  

油管头内的部件 ，用外螺纹或内螺纹连接油管，以支撑油管柱。 

The components inside the tubing head are connected with external or internal threads to support the tubing string.

• 油管头四通 tubing head spool   

连接最上层的套管头或最小管柱，悬挂油管和密封油管之间的环形空间设备部件。

Connect the top of the casing head or the minimum string, the ring space equipment component between the hanging tubing and the sealing tubing.

• 阀孔密封机构 valve bore sealing mechanism  

切断流经阀孔液流的那些内部零件，如闸板、球、旋塞、阀杆架、阀瓣和其相应的阀座。

Cut the internal parts of the flow through the valve orifice, such as gate, ball, cock, stem, disc, and its corresponding seat.

• 全孔径阀 valve,full-bore  

关闭机构上（如闸板）和阀体有相同尺寸通孔的阀。

The closing mechanism (such as gate) and valve body have the same size through-hole valve.

• 目视检查 visual examination  

对零件和设备在材料和加工质量上可看到的缺陷进行的检查。

Inspection of defects in the material and processing quality of parts and equipment.

• 立体无损检测 volumetric nondestructive examination  

用射线或超声波检测方法检测材料的内部缺陷。

The internal defects of materials are detected by means of radiation or ultrasonic testing.

• 井口装置 wellhead  

井口表层套管的最上部和油管头异径接之间的全部永久性设备。

All permanent equipment between the top of the wellhead surface casing and the tubing head.

• 润湿表面 wetted surface  

由于设计或内密封泄漏，与载压井内流体接触的任何表面。

Due to design or internal seal leakage, with any surface of the fluid contact in the ballast well.

Check the wellhead equipment, assembly, and wellhead parts pictures, if you are interested in them, please go directly to http://www.rtpetro.com/product-service/wellhead-equipment-series/.