This standard specifies the geological admission items and basic quality requirements for oil and gas exploration wells from drilling to completion. This standard applies to geological data collection and construction quality control of oil and gas exploration wells from drilling to completion.
SY/T 5251-2003 history
2017SY/T 5251-2016 Oil and Gas Well Logging Project and Logging Quality Requirements (Bilingual Edition)
2010SY/T 5251-2010 Contents and basic quality requirements of mud logging items of oil & gas wells
2003SY/T 5251-2003 Geologging items and basic quality requirements in oil & gas exploration wells
1970SY/T 5251-1991 Basic requirements for the quality of oil and gas exploration wells