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Types of oil casings
Different types of casing used in oil production: Surface oil casing protects the well from contamination by shallow water and shallow gas layers support wellhead equipment and maintain the weight of other layers of casing. Technical oil casing separates pressure at different levels so that drill...Read more -
Welding treatment of thick-walled spiral steel pipe
Thick-walled spiral steel pipe is a method of arc welding under the flux layer, which is formed by using the heat generated by the arc burning between the flux and the welding wire under the flux layer, the base metal, and the melting wire flux. In the process of use, the principal stress directi...Read more -
The use of spiral steel pipe for anti-corrosion
Due to the corrosion of steel pipes and equipment, the quality of products has been reduced due to the shutdown of production enterprises. Affect the domestic gas supply, heating steam or hot water, and bring many difficulties to people’s lives. Leakage of buried oil, gas, water, and other ...Read more -
What are the advantages of seamless steel elbows
The seamless steel elbow has the following advantages: hygienic and non-toxic, lightweight, good heat resistance, good corrosion resistance, good heat preservation, good impact resistance, and long service life 1. Hygienic and non-toxic: The material is completely composed of carbon and hydrogen,...Read more -
How to perform daily maintenance on straight-seam steel pipes
Long-distance oil and gas pipelines are an important way to ensure energy. During the anti-corrosion construction of oil and gas pipelines, the surface treatment of straight seam steel pipes is a key factor in determining the service life of pipeline anti-corrosion. It is the premise of whether t...Read more -
What is the difference between spiral steel pipe and steel coil pipe
Both spiral steel pipes and steel coiled pipes belong to welded steel pipes, and the production processes of the two are very different. Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by the automatic double-wire double-si...Read more