There are many kinds of anti-corrosion coatings for steel pipes, and their properties and uses are different. The correct selection is very important to the anti-corrosion effect of the coating and the service life of the steel pipe. When choosing, you should consider:1. Surface material properties

The API standard stipulates that the inner and outer surfaces of the import and export oil casing shall not have folds, separations, cracks, and scars. These defects should be completely removed, and the removal depth should not be less than 12.5% of the nominal wall thickness. Oil casing must under

First, select the appropriate connection method according to the diameter and specific conditions of the steel pipe1. Welding: enter the installation at the appropriate time according to the progress of the site. Fix the bracket in advance, draw a sketch according to the actual size, prefabricate th

There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials.Oil casing is a steel pipe used to support the wall of oil and gas wells to ensure the normal operation of the entire oil well after drilling and completion. Several layers of casing pipe