Benkhedidja, YaminaKesraoui, Mohamed (Promoteur)2024-12-052024-12-052024https://dspace.univ-boumerdes.dz/handle/123456789/1488162 p. : ill. ; 30 cmIndustrial installations in the oil and gas domain present risks to people, the environment, and equipment, hence the need to implement safety systems for these high-risk installations to comply with regulatory requirements. To ensure safer, more reliable, and uninterrupted operations and to reduce opera- tional risks to a maximum ownership value, we have opted to carry out this work to maintain pressure in the D20 vessel of unit 780 (utility 1), which serves as the instrument air supply for the ADU unit.enProcédés de fabrication : AutomatisationPétrole : Raffineries : AlgerPression : ContrôleAutomates programmablesS7-300 (automate)Risques industrielsSystèmes de sécuritéPétrochimie : InstrumentationsPressur control system for «Vessel D20» in the refinery of Algeirs «RA1G» using «S7-300»Thesis