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 Welcome to the Health, Safety and Environmental Management System (HSE MS)


This is the  Health, Safety and Environmental Management System (HSE MS) of Petroleum Development Oman (PDO). It ensure that Health, Safety and Environmental activities are done so as to protect employees, maintain standards of operation and comply to the legal requirements of Oman. It includes the requirements of the ISO 14001:2015 Environmental Management System and ISO 45001:2018 Occupational Health and Safety Standard.

Please note that this electronic version of the HSE MS replaces the hard copy of CP-122 Version 5.  CP-122 version 5 has been withdrawn. 

All HSE requirements are presented as process flow diagrams, instead of procedures. Each process flow is limited to 1 page, and associated activities are linked. No duplication of activities is allowed. Each activity reflects the responsible function, what is required, and includes all support information such as templates, standards, checklists, etc.
Please choose an option from the menu at the top or an option from the list below.

List of recent changes


Documentation definitions 


On-screen Symbols

Basic Navigation

HSE MS View (Also called Enterprise view)

MSEM (Corporate) Functional Support View

PDO HSE Policy 

NOTE: The HSE  Management System designed is maintained in an electronic format, and printed copies are only valid for the date of print.

Copytight 2013 Peteoleum Development Oman