Zhao Xinwei

Method and equipment for detecting and evaluating inner drag-reducing coating of natural gas pipeline

Stress Analysis and Calculation of Suspended Pipeline Due to Geotechnical Hazards

Crack and fitness-for-service assessment of ERW crude oil pipeline

Method and device for building land subsidence prediction model of double-dissolved-cavity salt cavern reservoir

Pressurized gasbag of pipeline repair reinforcing layer as well as preparation method and application thereof

Prepreg for pipe repair and preparation thereof as well repair material applying prepreg and repair method

Method and apparatus for acquiring pressure of pressure test oil and gas transmission pipeline in first-level region

Testing method for abrasion of coating dust in full-size pipeline

Steel pipe surface treatment liquor and application method thereof

System and method used for calculating heat stress of tube plate connection port of shell-and-tube heat exchanger