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Applicable to all Oil & Gas Operators GUIDELINES FOR THE IMPLEMENTATION OF RISK BASED INSPECTION IN THE NIGERIAN OIL AND GAS INDUSTRY Code: DPR Guide 0022 - 2020

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Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE IMPLEMENTATION OF RISK BASED INSPECTION IN 
THE NIGERIAN OIL AND GAS INDUSTRY 
Code: DPR Guide 0022 - 2020 
 
Revision Date: 1st August 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
1 
1. SCOPE 
This guideline sets out the procedure for the implementation of the directives of the 
Director of Petroleum  Resources  with  respect  to  Risk  Based  Inspection  (RBI)  on  Fixed  
(Pressure) Equipment in the Nigerian Oil and Gas Industry pursuant to Regulation 15 of the 
Mineral Oils (Safety)  Regulations,  1963  (MOSR)  which  requires  that  the  testing  and  
inspection  of  such equipment  be  carried  out  to  the  Director’s  satisfaction.  This 
document also explains the procedure and requirements of various directives and 
approvals being issued pursuant to Regulations 44 and 45 of the Petroleum (Drilling and 
Production) Regulations, 1969 and other applicable Regulations/Laws regarding RBI 
implementation in the industry. This guideline is the updated version of “Guidelines 
Concerning Implementation and Use of Risk Based Inspections in the Nigerian Petroleum 
Industry, 2006”. 
2. DEFINITION & PURPOSE 
RBI is a process which aims to assess the risks of operating an equipment/device in a 
facility, then prioritizes and plans the inspection type and the intervals based on these 
risks. Risk analysis is a means to identify focal areas in order to meet the acceptance criteria  
for  risk  and  to  enhance  the  safety  level  in  activities.  Risk  analysis  provides knowledge 
concerning risk(s) connected with activities and constitutes a basis for the decision-making 
process so as to plan and implement activities in accordance with the intent  of  the  
applicable  legislation  and  with  an  Operator’s  own  safety requirements. Whereas  the  
MOSR  and  other  statutory  guidance  prescribes  statutory  maximum inspection intervals 
for various groups of equipment such as pressure vessels, boilers, tanks  and  pressure  
relief  valves,  the  RBI  approach  is  risk-based  as  the  terminology implies. The maximum 
inspection intervals generated from RBI assessments generally differ from that which is 
prescribed. The Department currently reviews requests from Operators wishing to adopt