The steam injection pressure pipeline is in a special working environment of high temperature, high pressure and repeated steam injection for a long time. It is often unable to stop for maintenance in order to meet th...The steam injection pressure pipeline is in a special working environment of high temperature, high pressure and repeated steam injection for a long time. It is often unable to stop for maintenance in order to meet the requirements of production. As the growth of the running time, the steam pipeline risk points and weakness in further amplification, probably in strength, the material, the stress, fatigue, etc., the abnormal situation, the structure failure probability increases. It is necessary to conduct on-line inspection and comprehensive assessment of the equipment status from the aspects of safety, applicability and production to ensure that the current working condition is satisfied.展开更多
文摘The steam injection pressure pipeline is in a special working environment of high temperature, high pressure and repeated steam injection for a long time. It is often unable to stop for maintenance in order to meet the requirements of production. As the growth of the running time, the steam pipeline risk points and weakness in further amplification, probably in strength, the material, the stress, fatigue, etc., the abnormal situation, the structure failure probability increases. It is necessary to conduct on-line inspection and comprehensive assessment of the equipment status from the aspects of safety, applicability and production to ensure that the current working condition is satisfied.