Optimization of subsea gas pipeline maintenance schedule

In order to repair and maintain subsea gas pipelines smoothly, conveniently, efficiently and economically, a set of systematic maintenance process is established by optimizing subsea gas pipeline maintenance schedule by means of Gantt chart method, the analysis is conducted on the complexity and particularity of subsea gas pipeline maintenance and various factors affecting the maintenance operations on the basis of each procedure and key pathway. Moreover, some rational improvement suggestions and measures are put forward against the factors restraining subsea gas pipeline maintenance. Under certain conditions, this process can shorten time lag and reduce economic loss caused by subsea gas pipeline maintenance.