FIELD: oil and gas industry.
SUBSTANCE: invention can be used in gas processing industry. Natural gas processing and liquefaction complex includes gas processing unit, prepared gas liquefaction unit, raw gas main gas line, commercial gas main pipeline and commercial product transportation unit combined by pipelines. After the link of the booster compressor station of the gas processing unit, the commodity gas is cooled by injection of a cold gas flow from the links of the liquefied unit of the prepared gas. A link for preparing raw natural gas of a gas processing unit and / or a link for preparing commercial gas for liquefaction of a gas processing unit and / or a unit for purifying ethane fractions of the gas processing unit are supplemented with gas deep purification plants.
EFFECT: claimed invention solves problem of formation of interconnected complex system of gas processing unit and unit for liquefaction of natural gas of flexible operation with maintenance of wide range of products of natural gas processing, which meet quality requirements.
12 cl, 1 dwg
