2004SY/T 5858-2004 Safety regulations for hot work in petroleum industry
1991SYJ 4051-1991 Fire Safety Technical Regulations for Gathering and Transportation Process Pipelines in Oil and Gas Fields
SYJ 4051-1991 Fire Safety Technical Regulations for Gathering and Transportation Process Pipelines in Oil and Gas Fields was changed to SY/T 5858-2004 Safety regulations for hot work in petroleum industry.