Company News

2024-04-16

The difference between hot rolled and cold rolled seamless steel pipe

Seamless steel pipe is a kind of metal pipe, which is characterized by smooth inner and outer surfaces of the pipe wall, no obvious welded joints, and a seamless state as a whole. This kind of pipe is widely used in petroleum, natural gas, chemical industry, electric power, aerospace and other fields. Cold rolling and hot rolling are two commonly used processing technologies in steel pipe production, and they are suitable for the production of steel pipes of different types and requirements.Seamless steel pipe, SSAW steel pipe, casing and tubing all require cold rolling and hot rolling manufacturing processes.

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2024-04-15

ERW steel pipe high frequency welding thermal process

ERW steel pipe is a common type of steel pipe, its full name is Electric Resistance Welded steel pipe. High-frequency welding is one of the core steps in the production process of ERW steel pipes. Steel pipes that require high-frequency welding thermal processes are mainly used in transportation, structural and industrial fields, requiring high weld quality, high strength, and good corrosion resistance.

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2024-04-15

How to identify fake and inferior rectangular tubes?

Identifying counterfeit rectangular tubes requires careful observation and knowledge. First, we need to understand the basic characteristics and quality standards of rectangular tubes, and then use some practical methods and techniques to judge their authenticity.

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2024-04-12

Manufacturing process of slotted casing

Slotted casing pipe fittings are a type of pipe assembly commonly used for oil and water well completions. They have a series of elongated slots used to control formation penetration and prevent impurities such as sand and gravel from entering the wellbore, while allowing target substances such as oil and water to pass through. Its manufacturing technology and craftsmanship are crucial to ensuring the quality and performance of the pipeline. The following will introduce the manufacturing technology and process of slotted casing pipe fittings in detail. At the same time, its characteristics, uses, construction methods, advantages and disadvantages, etc. are introduced in detail.

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2024-04-12

Precautions and tips for installing pup joint

A pup joint refers to a pipeline component used in oil field mining or oil and gas pipeline systems. It is usually a relatively short section of steel pipe or pipe section. Its main function is to connect two long sections of pipe, which is often called casing and tubing. Serve as a connection and transition. Oil pipe nipples usually have the same diameter and wall thickness as the pipeline, but are relatively short in length, usually no more than a few meters, to meet specific connection and layout requirements. Installing oil pipe nipples is also a technical job. When installing oil pipe nipples, you need to pay attention to the following matters and techniques to ensure the safety, stability and efficiency of the system.

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2024-04-11

Slotted Casing VS Screen Casing

Slotted casing and screen casing are two pipe structures commonly used in oilfield drilling and oil well completion. They have some significant differences in function and application. Slotted casing is usually used to control the seepage of the formation around the wellbore and prevent impurities such as sand and debris. Enter the wellbore while allowing target substances such as oil and water to pass through. This kind of casing is characterized by a series of open elongated slots on its surface. The size and distribution of these slots can be designed and processed according to specific formation characteristics and engineering needs to achieve the best seepage control effect.

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2024-04-11

How to Prevent Corrosion in Screen Casing?

Screen casing plays a vital role in the petroleum industry. As a pipeline product for filtering and screening oil, gas, water and other substances, during its use, the impact of corrosion, wear and other factors on its performance and life needs to be taken into consideration. Therefore, effective anti-corrosion measures are crucial for the stable operation of screen casing. The following is a detailed description of how screen casing performs anti-corrosion, including an introduction to the anti-corrosion background, research methods, and technical measures.

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2024-04-10

What are the application fields of square tubes?

Square pipe is a common pipe form with a square or rectangular cross-section. Compared with traditional Rectangular Tube, square pipes have unique advantages and characteristics in specific application scenarios. The following will elaborate on the structural characteristics, material selection, application fields and other aspects of square tubes.

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2024-04-10

How to correctly select the appropriate casing and tubing sizes?

The reasonable selection of casing and tubing sizes should be determined based on the energy of the oil reservoir and the requirements of the oil production engineering. First determine the reasonable tubing size, and then select the smallest possible production casing size. This sequence can avoid the traditional problems of oil production engineering being limited by the size of the production casing, the inability to use suitable process technology for many oils, and the difficulty of implementing some production-increasing measures. The selection of production casing size requires consideration of factors in the entire oil well production process, including oil well type, oil production methods, production stimulation measures, crude oil characteristics, and oil production engineering requirements.

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2024-04-09

Analysis of the causes of rust in stainless welded steel pipe

Stainless welded steel pipe is an important pipe material widely used in various industrial fields and construction projects. It has excellent corrosion resistance, high strength and good processing properties, and is regarded as one of the high-quality pipe materials. One of the main advantages of stainless welded steel pipe is its excellent corrosion resistance.

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2024-04-09

Performance and uses of stainless seamless steel pipe

Stainless seamless steel pipe is a pipe material widely used in industry, construction and other fields. Its unique properties and broad application prospects make it very popular. Stainless seamless steel pipes are made of high-quality stainless steel materials and produced using seamless processing technology.

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2024-04-08

What impact does oil drill pipe have on oil exploration?

Drill pipe is a steel pipe with a thread at the end, used to connect the surface equipment of the drilling rig to the drilling and grinding equipment or bottom hole device. Its main function is to transport drilling mud to the drill bit and to raise, lower or rotate the bottom hole device together with the drill bit. Drill pipe must be able to withstand internal and external pressure, twisting, bending and vibration, so it can be used multiple times during the oil and gas extraction and refining process. The continuous improvement of oil drill pipe technology is of great significance to the improvement of oil exploration efficiency. As the core activity of the petroleum industry, the key to oil exploration is to determine whether there is oil underground, its reserves, quality and storage conditions and many other issues.