| Summary: | In the modern world, liquefied natural gas plays an increasing role; its consumption grows from year to year. Liquefied natural gas is relevant since liquid form gas occupies 600 times less volume, is environmentally friendly, and is also easy to transport. There are 6 most commonly natural gas liquefaction technologies: PHILLIPS, PRICO, APCI SMR, APCI C3MR, LINDE MFC, Shell DMR. All of these technologies differ depending on the number of liquefaction cycles and the composition of the refrigerant. The selection of the most suitable technology for the specific conditions in which the plant is located is key to the successful liquefaction of gas. The Shtokman gas condensate field contains huge reserves of natural gas that can be used for liquefaction and supply to consumers. It is necessary to select the liquefaction technology most suitable for the Arctic conditions, satisfying the requirements. The Master Thesis overviews the technologies used to liquefy natural gas to select the most suitable one for the Shtokman field. The rationale for the choice of this technology is presented. The analysis of the available information on the deposit is presented. The calculation of the main structure of an underwater LNG storage tank has been performed. An economic analysis of the efficiency of investments in developing the Shtokman gas condensate field has been carried out.
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