Company News

• 2024-05-22

  How to prevent corrosion of SSAW steel pipes?

  SSAW steel pipe production process is simple, production efficiency is high, cost is low, and development is rapid. The strength of SSAW steel pipes is generally higher than that of LSAW steel pipes. Welded pipes with larger diameters can be produced from narrower billets, and welded pipes with different diameters can also be produced from scrap materials of the same width. However, compared with LSAW steel pipes of the same length, the weld length is increased by 30~100%, and the monthly production speed is lower. In order to extend the service life of most SSAW steel pipes, anti-corrosion treatment is necessary. In daily care work, it is not only necessary to perform surface anti-corrosion treatment on SSAW steel pipes, but it is also very important to learn how to avoid wear and tear during daily installation and use of SSAW steel pipes. This is related to some safety issues in the entire pipeline line, and also avoids the trouble of frequent maintenance in daily work.

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• 2024-05-22

  What is the manufacturing process of drill pipe?

  Drill pipe is a hollow thick-walled steel pipe used for drilling. It can transmit vertical force and torque. It is widely used in various types of oil drilling, such as directional wells, horizontal wells, etc. The lower part of the drill collar is connected to the drill bit, and the upper part is connected to the drill pipe. The drill pipe mainly transmits motion and power, and the drill collar directly drives the drill bit to work.

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• 2024-05-21

  Advantages of Laser Cutting Slotted Casing

  Slotted casing is an important completion equipment in oil drilling operations and is often used for early completion and oil production sand control in oil fields. The main machine and equipment for slotting casing is a cutting machine. Generally, a slotting casing manufacturer has at least ten cutting machines. The material of slotted casing is mainly petroleum casing and tubing, which is basically used as the raw material for making slotted casing. The development of modern science and technology, through process exploration and scientific research, has gradually solved the technical problems of laser processing of grooved casing such as ultra-fine seams, trapezoidal seams, and wide seams (seam width >1mm). The developed laser processing machine tool for grooved casing has achieved mass production of slotted casings.

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• 2024-05-21

  Production process of LSAW steel pipe

  LSAW steel pipe (Longitudinally Submerged ArcWelding) is a professional term for straight seam submerged arc welded steel pipe, also known as straight seam submerged arc welded pipe, which is a kind of steel pipe. It uses a single medium-thick plate as raw material, presses (rolls) the steel plate into a tube in a mold or forming machine, and then uses double-sided buried fox welding and enlarging the diameter for production. Submerged arc welding (including submerged arc surfacing and electroslag surfacing, etc.) is a method in which the arc burns under the flux layer for welding. Its inherent advantages include stable welding quality, high welding productivity, no arc light, and little smoke and dust. It has become the main welding method in the production of many important steel structures.

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• 2024-05-20

  Analysis of the causes of screen casing damage

  With the development of petroleum industry, screen casing play a vital role in the process of oil exploitation and production. However, the frequent occurrence of oil screen casing damage recently has aroused widespread concern. Due to many factors such as wellbore, pipe string, sand control tools, ground environment and personnel's technical quality, screen casing annulus filling often fails in the construction process. In order to better understand the causes of oil screen casing damage, we have carried out in-depth investigation and analysis.

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• 2024-05-20

  Development of ERW steel pipe

  High frequency straight seam resistance welded steel pipe (ERW) is a hot rolled coil formed by the forming machine, using the skin effect and proximity effect of high frequency current, the bad edge of the pipe is heated and melted, and the pressure welding is carried out under the action of the extrusion roll to achieve production. At present, in the production of welded steel pipes in the world, ERW welded pipe production accounts for about 80% of the total output of welded pipes.

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• 2024-05-17

  Slotted casing market analysis

  As an important special equipment for oil drilling, slotted casing has a relatively simple manufacturing process. The material of slotted casing is mainly petroleum casing, and petroleum casing is basically used as the raw material for making slotted casing. There are three main types of slotted casing arrangements: parallel seams, cross seams, and group seams. When making, the sewing edges need to be vertical, the cutting edges should be smooth and burr-free, and the cutting seams should be even. Slotted casing is a type of pipe made by cutting a series of gaps in the pipe wall. It is mainly used for sand control and filtration in oil and gas wells.

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• 2024-05-17

  Process characteristics and applications of rectangular tube

  Rectangular square tube refers to a hollow metal profile with a rectangular or square cross-section, which is used in construction, machinery manufacturing, shipbuilding, hardware, steel structure engineering and other industries.Rectangular tube is a hollow square cross-section lightweight thin-walled steel tube, also known as steel cold-formed profile. It is a square section steel with a square cross-section shape and size made of Q235 hot-rolled or cold-rolled strip or coil as the base material, cold bending and then high-frequency welding. In addition to the thickening of the wall thickness, the corner size and edge straightness of hot-rolled extra thick-walled square tubes reach or even exceed the level of resistance welded cold-formed square tubes.

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• 2024-05-16

  What are the indispensable pipe fittings in pipeline engineering?

  With the continuous development of modern engineering technology, pipeline engineering has been continuously developed, and pipe fittings in pipeline engineering are irreplaceable key components. Among the many pipe fittings, several common pipe fittings such as flanges, valves, elbows, and reducer tees are indispensable. They each perform different functions and work together to form a complete pipeline system. Let us discuss the importance and application value of these pipe fittings in engineering.

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• 2024-05-16

  Seamless steel pipe VS welded steel pipe

  In modern industry, steel pipes, as an important transportation tool, are widely used in petroleum, natural gas, hydraulics, chemical industry and other fields. Steel pipes can be divided into two categories: seamless steel pipes and welded steel pipes according to production methods. Welded steel pipe refers to a steel pipe welded after the steel strip or steel plate is bent and deformed into a round, square, etc. shape.

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• 2024-05-15

  What are pup joints made of?

  In recent years, with the continuous growth of global energy demand and the increasingly diversified energy structure, pup joints, as a new trend in the energy market, are gradually leading the new direction of the global energy market. Oil pup joint is a mechanical component for connecting oil casing and tubing in petroleum development. It is mainly used for the connection of casing and tubing. The oil pup joint serves to connect the oil pipe, bear tensile force, lift the oil pipe, and seal the oil pipe thread. The oil pup joint is a short section of casing and tubing. Compared with the casing and tubing, it is only different in length, but everything else is the same.

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• 2024-05-15

  Application of slotted casing in petroleum industry

  Slotted casing is an important completion key equipment in oil drilling operations. It is often used for early oil completion and sand control in oil production. Due to the good sand control performance, convenient construction and low cost of grooved casing, the demand for grooved casing in oil fields has increased rapidly. However, the extensive damage to slotted casing in oil fields not only disrupted the normal production plan, but also destroyed the normal injection and production well network system, causing huge losses and waste to the project. At present, many experts have conducted a lot of research work on how to prevent damage to grooved casing and have achieved many results.

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