Safe and efficient operation of oil and gas pipelines is not only related to the development of the enterprises themselves, but also to the safety of the national development of energy supply. The innovation and upgrading of operation, maintenance and safety management technology is an important guarantee for achieving this goal. The latest international research progress of oil & gas pipeline maintenance and safety management were reviewed, including the practice and improvement of safety management systems, regulatory activities and emergency response, pipeline isolation, pipeline repairing & reinforcement, pipeline venting, abandoned pipelines disposal, pipeline leakage detection, geohazard management, etc, in order to provide useful information and precious reference for domestic pipeline vendors to improve the oil & gas pipeline operation, maintenance and safety management.