ISO 20815 is the International Organization for Standardization (ISO) standard for production assurance and reliability management in the petroleum, petrochemical and natural gas industries.[1]
The 2008 version of the standard was last reviewed and confirmed in 2012.[1] It has been replaced by ISO/DIS 20815:2018 in October 2018.[2]
The division of the oil and gas industry into upstream, midstream and downstream sectors is referred to in the standard.