This article will briefly introduce the commonly used flaw detection methods and technologies for welded tubes based on production experience, and analyze and compare their advantages and disadvantages.

This article describes possible problems and countermeasures for 3 types of casing.

The following is a brief introduction to the maintenance methods of welded tubes.

This article mainly discusses the causes, detection methods and preventive measures of steel well casing pipes damage.

Analyze the defects and hazards of welded tubes welding, study the causes of welded tubes welding quality defects, and take effective control measures to achieve high reliability and high safety of welded tubes welding quality, and help safe development of petrochemical enterprises.

Five detection methods help solve the problem of black steel pipe for gas leakage.