From the appearance point of view, there are two differences between oil casing and oil drill pipe:1. The usage of products2. The material of products As we know, the oil casing is a steel pipe used to support the wall of oil and gas wells. Its function is to ensure the normal operation of the entir

In long-distance pipeline transportation projects, pipeline welding is often the most important processing step, so the choice of welding joints and welding methods during processing will become more important. In general welding operations, fixed welding, rotary welding, and prefabricated welding a

After completing the purchase, the general buyer inspects and cleans the pipeline. The purpose of destruction is:1. Check the quality of pipeline products2. Clean the inside of the pipe3. Clear all events in the pipeline to react with the passing materialThe important part of pipeline cleaning, what

The spiral steel pipe is treated like a steel strip in the spin direction of the coiling machine...