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Jiangsu Dynamics Machinery Co., Ltd

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Company address: No.13, Xingyuan Road, Science and Technology Innovation Park, Jianhu County, Yancheng, Jiangsu, China

What are the installation steps and key points of the Christmas tree?

2023-05-06 08:45:58
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What are the installation steps and key points of the Christmas tree?
Christmas tree is a type of equipment used for oil well control. Before installing the Christmas tree, it is necessary to make sufficient preparations and pay attention to some key points during the installation process.
1、 Preparation before installation of Christmas tree
(1) Site selection: The site selection of oil extraction trees should be based on a comprehensive analysis of the specific terrain, drilling data, and geological exploration data of the oil well, and appropriate locations and depths should be selected.
(2) On site inspection: Before installation, it is necessary to check whether the design plan, construction drawings, accessories, and materials are complete. At the same time, it is necessary to carefully check whether the surface facilities at the wellhead, drilling completion conditions, drilling diameter, and wellbore conditions meet the requirements.
(3) Develop installation plan: Develop a reasonable installation plan based on the actual situation, including the model of the Christmas tree, valves, pipelines, connection methods, installation procedures, etc., and do a good job in on-site construction preparation.
(4) Safety measures: The installation of Christmas trees involves high-altitude operations, material lifting, electrical operations, etc. It is necessary to strictly follow the operating procedures and safety operation specifications, and conduct safety hazard inspections and on-site inspections based on the actual situation.
2、 Installation steps of Christmas tree
(1) Preparation work before installation of Christmas tree: cleaning the wellhead, inspecting equipment and materials, installing wellhead blowout prevention devices, and conducting pressure testing.
(2) Assembly of Christmas tree: Assemble various components of the Christmas tree, including wellhead, near throat, water inlet module, refrigerator module, casing head, lower throat, oil leakage pipe fittings, etc. After assembly, testing is required to ensure that all components are firmly connected.
(3) Lifting Christmas trees: Christmas trees are usually lifted from the ground to the wellhead using lifting equipment, and then lowered layer by layer to the bottom of the well. During the lifting process, it is necessary to ensure the smooth and safe descent of the equipment.
(4) Christmas tree installation: After the lifting is completed, equipment needs to be used to connect the Christmas tree to the bottom casing and oil pipe, and the wellhead seal and control valve installation should be done well. In addition, horizontal and vertical calibration are required, and equipment testing is conducted to verify that the equipment is unobstructed and free from air leakage.
(5) Testing and debugging of Christmas trees: After installation, equipment testing and debugging work needs to be carried out, such as water pressure test, air pressure test, leakage test, temperature test, etc., to ensure that the equipment performance meets the design requirements and is recorded.
(6) Preparation of assembly table: The assembly and debugging of the Christmas tree requires recording and preparation of a list table, including assembly table, test records, operating procedures, and other forms.
3、 Installation points
(1) Safety: The installation of Christmas trees carries certain risks, and it is necessary to strictly implement safety operation regulations and requirements to avoid safety accidents.
(2) Quality: From the selection, assembly, lifting, installation, debugging, and other aspects of the Christmas tree, it is necessary to pay attention to quality requirements and strictly implement them.
(3) Connection: The connection work of the Christmas tree is a very important part of the entire installation operation, and it is necessary to ensure that the connection is firm and sealed properly.
(4) Debugging: The debugging work of the Christmas tree is an important link to ensure that the equipment achieves the expected performance. It is necessary to carefully conduct various tests on the equipment and make adjustments based on measurement data.
(5) Records: All aspects of equipment assembly, installation, testing, and debugging need to be recorded for easy maintenance and management in the future.

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