This specification applies to the construction and acceptance of newly built, renovated or expanded land pipeline pipeline projects for transporting crude oil and natural gas. This specification does not apply to process pipelines inside oil and gas transmission stations, oil and gas field gathering and transportation pipelines, urban gas transmission and distribution pipeline networks and oil and gas pipelines within industrial enterprises, as well as oil and gas pipeline renovation and overhaul projects that are put into operation. .
SY 0401-1998 history
1999SY 0401-1998 Code for construction and acceptance of oil and natural gas pipeline project