, released in February 2022 , represents a comprehensive update to the Shell Design and Engineering Practices (DEPs) . This version serves as the mandatory technical foundation for the design, construction, and operation of Shell's global facilities, ranging from upstream oil and gas production to downstream chemical processing and refining. Overview of Shell DEPs
: Updates often include better alignment with external codes, such as the IEC 61511-1 (Edition 2) for safety instrumented systems. Structure and Application The DEP system is highly structured, typically including: Shell Dep Version 46
: Contextualizes the manual and summarizes changes from previous versions. , released in February 2022 , represents a