BOPI 03 BR / 2025 REPERTOIRE NUMERIQUE 27 ________________________________________ (11) 21850 Consulter le mémoire (51) E21B 43/01 (2006.01) E02B 17/02 (2006.01) B63B 35/44 (2006.01) (21) 1202400426 - PCT/RU2022/000334 (22) 11/11/2022 (30) RU n° 2022116273 du 16/06/2022 (54) Offshore Production Facility For Producing, Treating And Refining Raw Gas. (72) MIKHELSON, Leonid Viktorovich (RU); AKIMOV, Dmitriy Vladimirovich (RU); SOLOVYEV, Sergey Gennadyevich (RU) et SOCHNEV, Oleg Yakovlevich (RU) (73) PUBLICHNOE AKTSIONERNOE OBSHCHESTVO ‘‘NOVATEK’’, Ul. Pobedy, 22a Purovskiy r-n, Tyumenskaya obl., YamaloNenetskiy avtonomnyy okrug, Tarko-Sale, 629850, Russian Federation (RU) (74) NAT AFRICA, Rue 5 Mvog Fouda Ada, Immeuble Commercial Bank, 3ème étage, YAOUNDE (CM) (57) The invention pertains to marine production facilities and may be used in creation of marine production complexes to extract, treat, and process hydrocarbon feedstock to produce liquefied natural gas (LNG), wide fraction of light hydrocarbons (WFLH) and stable gas condensate (SGC) on a GBS, representing a new type of marine oil-and-gas structures the GDCPSO (gravity drilling chemical production storage and offloading). An offshore industrial complex comprises a gravity-based structure (GBS) with a topside on it, including drilling facility with drilling rig 10, flare unit 11, process equipment for raw gas treatment and processing as modules 12, and living quarters 13. GBS houses storage tanks 14, 15, 16 for respective processed products. GBS central part 1 is a rectangular prism with top slab 3, on which the above-mentioned process equipment is installed. GBS protruding part 2 stretches all along the sides of central part 1 and has vertical extemal walls. GBS central part 1 and GBS protruding part 2 share base slab 4, with protruding part 2 being lower in height than central part 1. GBS central part 1 has longitudinal and transverse walls 6 that form compartments, including ballast compartments 17 and compartments accommodating storage tanks 14, 15, 16 for respective processed products. GBS protruding part 2 has internal walls that are perpendicular to its extemal walls and form ballast compartments 17. Drilling rig 10 is installed on a short end of GB S central part 1 with its underlying compartments 18 serving as borehole wells. The preferable design features the GBS central part compartments formed by its short-end walls on one side, that include at least one consumables compartment 19, at least one chemicals compartment 20 and at least one waste compartment 21. GBS central part 1 also has intermediate horizontal slab 5 accommodating LNG storage tanks 14, and there are longitudinal and transverse walls 6 forming additional ballast compartments 17 between intermediate horizontal slab 5 and base slab 4. The offshore complex is adapted to operate in waters with ice conditions in the Arctic.
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