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What are the causes and detection methods of oil and gas pipeline leakage
There are many reasons for pipeline leakage, which can be mainly divided into three categories: corrosion perforation, fatigue rupture, and external force damage. Although taking corrosion control measures can significantly slow corrosion, it does not prevent corrosion. When the cathodic protecti...Read more -
Installation requirements for threaded insulating joints for oil casings
1. The insulation joint is installed within 50 meters to avoid the dead end to be welded. 2. After the insulating joint is connected to the pipeline, it is not allowed to lift the pipeline within 5 meters of the joint. Must be pressure tested with the line. 3. After the insulating joint is connec...Read more -
Characteristics of slotted steel pipe
1. The slotted steel pipe is made of a J55 or N80 oil casing body, which has high strength and is not easy to deform 2. The verticality of the cutting edge is good, the cutting edge is smooth, with no burr, and the cutting is even. 3. Large flow area, 27/8″ screen tube with 300 slits/1.5m, ...Read more -
How should the spiral steel pipe be anti-corrosion in the water supply pipe
Usually, we use epoxy coal tar paint. If the requirements are high, 3 oil and 2 cloth can be used. 3 coats of paint and 2 coats of fiberglass cloth, staggered construction. If it is required, the primer and topcoat of epoxy coal tar can be used directly, and each construction is done twice. Simpl...Read more -
Maintenance method of large diameter straight seam steel pipe
1. Choose a suitable venue and warehouse (1) The site or warehouse where the steel pipe is stored should be selected in a clean and well-drained place, away from factories and mines that generate harmful gases or dust. Keep weeds and debris on the site and keep the steel pipe clean. (2) It shall ...Read more -
How should thick-walled steel pipes be stacked
1. The angle steel and channel steel should be stacked in the open air, that is, the mouth should be facing down, and the I-beam should be placed vertically. 2. Corresponding passages should be left between the stacks. The inspection passage is generally 0.5m. The access passage depends on the si...Read more