Hygiène, Sécurité et Environnement
Permanent URI for this collectionhttps://dspace.univ-boumerdes.dz/handle/123456789/10963
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Item Risk assessment of the Gas-Condensate Separator "D-401" in the associated Gas Treatment Unit at the “TFT” Oil Field(Université M’Hamed Bougara Boumerdès : Faculté des Hydrocarbures et de la Chimie, 2025) Amrouche, Ihab; Benrahou, Fatima (Promoteur)The Objective of this project is twofold. First, risk identification and analysis is performed using the HAZOP methodology to systematically examine potential deviations from normal operation. This involves a detailed evaluation of each process line and equipment node, considering deviations such as "More pressure", "No flow", or "High level", and assessing their possible causes (e.g., valve failure, instrument drift, human error) and consequences. The study also examines the existing safeguards and proposes recommendations to reinforce safety barriers and minimize residual risk. Second, consequence modeling is conducted using PHAST DNV to simulate several accidental scenarios, including full vessel rupture and leaks of varying sizes (6 mm, 25 mm,and 100 mm). These scenarios are assessed under a range of realistic atmospheric conditions representing summer and winter, day and night. Meteorological parameters such as wind speed, temperature, atmospheric stability class, humidity, and solar radiation are varied to understand their influence on the behavior of hazardous releases. The simulations predict the thermal radiation intensity from jet and pool fires, the dispersion distance of flammable or toxic clouds, and the duration of hazardous exposure zones. The aim is to quantify the severity of each event and determine safe separation distances, vulnerable zones, and the need for additional risk-reduction measures.