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Solution to faults in wellhead equipment

The wellhead device is the production hub of an oil well, which is the surface part of the entire oil well. Whether it is a self flowing wellhead device or a pumping well device, their main function is to suspend the tubing string and bear the weight of all tubing strings in the well; Seal the annular space of oil pipes and casing to ensure the smooth progress of various underground operations, control and adjust production data and daily management. Therefore, the performance of wellhead equipment has a significant impact on oil wells. With the increase of oilfield development time, due to natural conditions, external and human factors, wellhead equipment may be damaged to varying degrees. In order to maintain the normal production of oil wells, identifying the causes of damage to the wellhead equipment, analyzing the influencing factors, and repairing it in a timely manner is an important task for well repair.

2022.01

Performance and characteristics of wellhead equipment

1. All pressure bearing components and flanges are made of high-quality alloy steel forgings and undergo non-destructive testing to ensure safety. 2. The gate, valve seat, and needle valve of the gate valve are all made of laminated (spray welded) hard alloy. 3. After special heat treatment, the main components of the wellhead device have good sulfur resistance.

2022.01

What is the function and purpose of the choke and kill manifold?

Choke Manifold Choke manifold is a necessary equipment for controlling well kick and implementing pressure control technology for oil and gas wells. By configuring a hydraulic control cabinet, remote control can be achieved.

2021.09

What issues should be paid attention to during the use of annular blowout preventers?

What issues should be paid attention to during the use of annular blowout preventers? After the installation of the annular blowout preventer on site, the zero sealing test is generally not conducted, but the annular sealing test should be conducted as required; 2. According to relevant regulations, try to close the blowout preventer as much as possible and check the sealing effect. If any rubber core failure or other problems are found, it should be replaced immediately;

2021.09

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