For instrumented safety systems, special reference is made to IEC 61508 and this document as the recommended standard for specification, design and operation of such safety systems.
Whereas IEC 61508 describes a fully risk-based approach for determining Safety Integrity Level (SIL) requirements, this document provides minimum SIL requirements for the most common instrumented safety functions on a petroleum production installation (ref.
Experience shows that the majors tend to go against standards but non adoption of standards tend to lead to unclarity of intention, mistaken interpretations which then leads to costs creep, gold plating and scope.
OLF participates in the petroleum industry, as an advocate in matters that concern the entire sector.
The PPDM Association is a global, not-for-profit organization that develops data management standards for the petroleum industry.