Abstract
The Hazard and Operability Study (HAZOP) methodology is considered one of the most effective techniques for risk analysis, developed fundamentally to provide regular processes with reduced risks that aim to guarantee the safety of activities and the operability of the production units. The study aims to apply the HAZOP methodology in process and safety operations in the oil production industry. A crude oil production unit was divided into smaller sections that were analysed. By applying the HAZOP methodology, 71 possibilities of relevant risks were identified. The environmental, health and economic impacts were estimated to establish safeguard priorities for them. The application of this methodology and the defined safeguards generated 47 recommendations to mitigate the detected problems. The study contributions were to demonstrate the efficacies of HAZOP methodology to identify potential hazards and evaluate the potential hazards obtained for malfunctioning of equipment and property in terms of the resultant impacts either new or existing process facilities, and as a useful tool to provide essential knowledge for the companies’ leaders, decision-maker, and operations managers.
Highlights
Industrialisation provides well-being and progress, and brings problems and harmful effects to the environment and human health and increases the risk of accidents and safety issues
The study contributions demonstrate from the results presented that, despite the classic Hazard and Operability Study (HAZOP) being questioned by several researchers, it still remains an effective tool for detection, analysis and mitigation of risks
This study aims to apply HAZOP methodology in a real case of a Crude Oil Production
Summary
Industrialisation provides well-being and progress, and brings problems and harmful effects to the environment and human health and increases the risk of accidents and safety issues. Process and chemical units are usually flammable, explosive, and toxic. For this reason, identifying these hazards is fundamental for ensuring the safe design and operation of these process plants [4]. Since the industrial revolution to the present day, the number of techniques developed to prevent accidents in the process industry is increasing. The most known techniques, according to the ISO 31010, are: PHA, HAZOP, What If Analysis, FMEA, FMECA, ETA, FTA, BOWTIE, BAYESIAN NETWORK, HAZID, and LOPA known already in literature [5]. Systemic safety evaluation must be performed in those units [6]
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