HSE Management System Criteria Ranking to Evaluate Contractors Prequalification Using the Analytical Hierarchy Process in the Fifth Refinery of South Pars Gas Complex

Abstract

According to the International Association of Oil and Gas Producers (OGP) statistics, the number of oil and gas industries contractors has had a rising trend; on the other hand, there has been a considerable increase in both the frequency of the time wasted due to the injuries and the risk exposure ratio, based on the contractors statistics. South Pars Gas Complex (SPGC), like other large companies, uses the capabilities of numerous organizations as contractors to execute its programs. Based on the studies and internal audits, these contractors only few of which hold the regulated and modern system of the health, safety and environment (HSE) are responsible for approximately 85% of the incidents occurred in SPGC. The lack of adequacy and efficiency of the criteria presented in contractors HSE prequalification checklist prior to signing the contract as well as improperly prioritizing these criteria regarding the company