Company News

• 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

  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

  Seamless Steel Pipe Manufacturing Process

  Seamless steel pipes are specially designed for transportation pipeline systems in high-pressure, high-temperature, and corrosive environments in the oil and gas industry. This kind of steel pipe is usually made of carbon steel or alloy steel with high strength and good corrosion resistance. Their production process includes advanced hot or cold rolling processes to ensure that the inner and outer surfaces of the pipes are smooth and defect-free.

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• 2024-04-07

  Quenching treatment steps and precautions for ERW Steel Pipe

  The surface quenching and tempering heat treatment of ERW steel pipe is usually carried out by induction heating or flame heating, mainly focusing on technical parameters such as surface hardness, local hardness and effective hardened layer depth.

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• 2024-04-03

  API 5CT Casing Pipe Strength Design

  As oil field exploration continues to expand and drilling depths gradually increase, the number of deep and ultra-deep wells is also increasing. As the depth of the well casing increases, the stress and deformation experienced by the well casing become more complex.

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• 2024-04-02

  Key Features of Slotted Casing

  Grooved casing is a pipe component made using a special cutting method on petroleum or oil pipes. The production process usually involves cutting longitudinal or spiral straight or staggered slits of a certain specification, using special ultra-thin cutting blades and beam cutting technology to make the slit width of the slotted sleeve between 0.2 and 0.5 mm.

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• 2024-04-02

  Analysis of the advantages and disadvantages of different types of flanges

  Flange is a mechanical connection device, usually consisting of two circular metal plates, which are tightly connected together by bolts. Flange is called flange plate or flange by a few people. It refers to the connecting parts that are connected by bolts on two planes at the periphery, that is, the parts that connect the shafts to each other. It is also an important connection method in pipeline construction.

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• 2024-04-01

  How to Protect OCTG Pup Joints from Corrosion?

  The produced fluid in oilfield development and production has high salinity and contains sulfide, carbon dioxide, oxygen, sulfate anaerobic bacteria, etc., which are strong electrolytes and are highly corrosive to down hole tubing and casing.Pup joints are a common component in industrial pipeline connections.

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• 2024-03-29

  Square Tube vs Rectangular Tube (SHS vs RHS)

  Square tubes and rectangular tubes are two common types of square and rectangular tubes. Although they are both structural tubes, there are some obvious differences between them.

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