Abstract

GASCO operates two NGL plants located in Alexandria; Amerya LPG plant and Western Desert Gas Complex (WDGC). The Amerya LPG plant receives & treats 300 MMSCFD of western desert gases from Badr 2,3 (Bapetco), Abu-Sanan, south dabah, petro-alm, (neag & sheba), west setra and septco fields, to produce 250 MT/Y LPG for local market and 25 MT/Y condensate to use for the refineries and the other is WDGC plant receives & treats 600 MMSCFD of western desert gases from Al-Obayed (Bapetco), Salam, Tarek and El-Qaser (Khalda) fields, to produce 465 MT/Y of Ethane/Propane mixture used as a feed stock for petrochemical industry (SIDPEC Company) to produce Ethylene and 280 MT/Y & 59 MT/Y of LPG and condensate for the local market consumption adding value for national economy by reducing the imported quantities of the same products and 210 MT/Y of Commercial Propane for export to the international market increasing income from the hard currency to support the national economy. Recently, GASCO has started up a new project to receive & treat extra 300 MMSCFD and also to integrate the two plants to maximize Ethane and Propane productivity. The project design is based on adding new process facilities in Amerya plant to start producing C2+ that directed to WDGC, while a new train is added in WDGC to increase the feed gas capacity and maximize C2+ recovery by applying the Gas Subcooled Process (GSP) as Ethan mode of operation scheme. This paper presents a study to increase the productivity of the two plants by using simulation software applied on field to help the decision making for what the optimum conditions should be applied in different modes of operation to increase the production.

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