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Alekhinskoye field. Features of compression of low-pressure high-density associated gas with screwed oil-filled compressors

14 September 2014

The article under this title was prepared by specialists of ENERGAS together with the department of "Vacuum and Compressor Engineering" of the MSTU named after N.E. Bauman.

Associated petroleum gas is natural hydrocarbon gas dissolved in oil or located in the "caps" of oil fields. According to experts, the volume of APG produced in Russia exceeds 70 billion m3 today. Associated gas must be gathered, treated and fed into a transport gas pipeline. Such a technological task was solved by ENERGAS specialists at the Alekhinskoye oil field (Khanty-Mansi Autonomous Area, Tyumen region).

The compressor station of the low separation stages (CSLS) of Alekhinskoye field was equipped with five booster compressor units Enerproject of type EGSI-S-650/1500WA. BCUs with capacity of 7,000 m3 / h compress the low-pressure (0…0.01 MPa) APG from the end separation stage and pump it into the pipeline at a pressure of 1.7 MPa.

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