| Aspect | Shell DEP | API | ISO | |--------|-----------|-----|-----| | | Royal Dutch Shell | American Petroleum Institute | International Org. for Standardization | | Public Availability | No (Confidential) | Yes (Purchase) | Yes (Purchase) | | Typical Use | Shell projects & licensees | Global oil & gas industry | Worldwide industrial use | | Enforcement | Contractually binding | Voluntary (unless referenced by law) | Voluntary | | Update Frequency | Continuous (lessons learned) | Every 5–10 years | Every 5–10 years |

Finding a complete list of Shell DEP standards in PDF format can be challenging because these documents are proprietary. They are not typically available for free public download. Access is generally granted through the following channels:

Contact your Shell technical representative or project document controller for the complete Shell DEP Master List (PDF) .