2022SY/T 6320-2022 Safety regulations for oil and gas gathering and transportation in onshore oil and gas fields
2016SY/T 6320-2016 Safety regulations for oil and gas gathering and transportation in onshore oil and gas fields
2008SY 6320-2008 Safety regulation of petroleum gathering and transportation in land oil and gas field
1997SY 6320-1997 Safety regulation of petroleum gathering and transportation in land oil and gas field
SY/T 6320-2016 Safety regulations for oil and gas gathering and transportation in onshore oil and gas fields has been changed from SY 6320-2008 Safety regulation of petroleum gathering and transportation in land oil and gas field.