At the Central Production Facility of the East-Messoyakha field there will be operating a compressor station of low separation stages
15 March 2016The industrial exploitation of the East-Messoyakha field (Yamal-Nenets Autonomous Area) began in September 2016. The development license belongs to Messoyakhaneftegaz JSC, which is controlled by Gazprom Neft and Rosneft on a parity basis. Gazprom Neft performs the functions of the project operator. The northernmost oil continental oil field of Russia was built in three years in difficult technological, climatic and logistical conditions.
The main field facility is the Central Production Facility (CPF). It consists of a park of nine vertical tanks with a capacity from 2 to 10 thousand tons. From CPF, raw materials through a 98.4 km long pipeline arrive at a delivery point located at the territory of the Pyakyakha field. After a quantitative and qualitative assessment, oil is transferred to the Zapolyarye-Purpe trunk pipeline.
For gathering and transportation associated gas, a low-stage compressor station is being built at the CPF site. The station is based on two screw-type compressor units (CU), supplied by ENERGAS. CU of low pressure will provide compression of APG coming from the terminal separation unit, as well as compression of gas from Cenomanian water.
The units are equipped with a control system based on EMERSON and will operate in an automatic mode – according to the 1 + 1 scheme (one CU in operation, the second in hot standby). The unit capacity of CU varies in the range of 2,225 ... 3,844 m3 / h; gas flow rate is controlled by a special two-level regulation system.
Compressor units in the Arctic version are designed taking into account the extreme operating conditions (minimum air temperature – minus 57°C, the average temperature of the coldest five-day week – minus 46°C). Each CU is equipped with life support systems (heating, ventilation, and lighting) and safety systems (fire detection, gas detection, alarm, and firefighting).
Currently, the CUs have been installed at the operation site. In the course of mounting there were performed installation, alignment and fixing on the foundations, as well as large-scale assembly of machines. There have been erected air coolers. Also were completed piping arrangement and power connection.
The whole complex of works on putting the gas-booster equipment into operation (erection supervision, commissioning, own and integrated tests) is carried out by technical specialists of ServicENERGAS LLC (ENERGAS group of companies).
REFERENCE. The Messoyakha fields group includes the East-Messoyakha and West-Messoyakha fields. Recoverable oil reserves are estimated to total 620 million tons. Most of the reserves are heavy high-viscosity oil.
The fields were discovered in the 1980s and they are the northernmost known Russian fields on land. The Messoyakha group is located on the Gydan Peninsula, in the Tazovsky District of the Yamal-Nenets Autonomous Area, 340 km north of the city of Novy Urengoy – in the arctic climate zone.
The first oil from the East-Messoyakha field was obtained in October 2012 as part of pilot operations. According to preliminary estimates, the peak of production will be reached by the years 2022-2023 and it will amount to 10 million tons of oil and 5 billion cubic meters of gas per year.
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