The pipeline in the process of operation, no matter what kind of medium transport, in addition to the planned maintenance and renovation, repair can not avoid more sudden accidents (such as pressure repair, replacement of corroded pipe section, the installation of the device, transmission and transformation operations). The general situation of the pipeline maintenance: one is the modified line of pipeline according to the needs of the external environment and other factors; the two is the intelligent detection found hidden problems, assessment and confirmation must take timely repair, or replacement of pipes and other measures, in order to eliminate the hidden dangers of accidents; three is the pipeline accidents, must be carried out as soon as possible in order to reduce the losses caused by the accident, the maximum, especially serious harm to the environment caused by the. All these require maintenance during the operation of the pipeline. The traditional practice in the past must be shutdown, empty pipeline can be carried out, or only take some temporary remedial measures, bring great risks to the safety of the pipeline, the economy also caused great losses, and will give the pipeline owners of business reputation adverse impact. This brings the economic effect, and can not guarantee safety, then use the pipeline open hole sealing principle solved all problems, this process does not need to stop production pipeline buck, but do not need replacement, the local pipeline plugging after transformation connection work, save the production bring economic benefits, and brings safety guarantee for construction.
This process can not shutdown for pipe maintenance, emergency rescue, connected with the bypass line, replacing or adding valve instrument, pipe segment replacement, station renovation. Especially those high pressure, flammable, explosive, poisonous and harmful liquid or gaseous medium pipeline.
This process can also refer to the incidents in the operation of pipeline in the pipeline pipeline operation Department to provide escort, special means and repair technology to restore the normal production line, users in the shortest possible time to reduce losses to a minimum effective way.