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Fuel gas treatment facility for the Verh-Tarskaya GTPP: 10 years of reliable fuel supply for turbines

15 April 2019

At the end of April 2009, the company Novosibirskneftegaz put into operation a gas turbine power plant at the largest in the Novosibirsk Region Verh-Tarskoye field. GTPP was included in the total energy supply system of oil field, has provided electricity for industrial facilities, central production facility and rotational camp.



GTPP is operating in simple cycle. Generating equipment consists of two gas turbine units (GTU) Centrax of type СX501-КВ7 on the base of Rolls-Royce turbines with unit capacity of 5.2 MW. Fuel for power plant is associated petroleum gas, produced here.

Final purification, compression and fuel supply to the GTU are provided by fuel gas treatment facility, consisting of two complexes – FGTF-1 and FGTF-2. The facility began its work on April 15, 2009 – two weeks before the launch of the GTPP. This allowed power engineers to conduct a full range of tests of the generating equipment and put it into operation in a timely manner.

At the heart of each FGTF is booster compressor unit (BCU) of screw type in packaged design. BCUs with capacity of 2,700 m3 / h each are designed for compression of associated gas from 0.4 MPa to the required operating pressure of 2 MPa.

    

In 2015, the ENERGAS Companies Group has carried out upgrade FGTF. Technical specialists have commissioned a FGTF-2, which was previously in standby; they equipped it with automated control system; they installed fire detection system, firefighting equipment and safe equipment operation system; they performed debugging of gas detection system. The both complexes were equipped with ACS of upper level to ensure automatic management and operational control of compressor units.

In the course of operation, engineers of ServicENERGAS LLC (part of ENERGAS Group) according to the agreed schedule with the customer carry out service and technical activities.

The careful designing, high-quality production, upgrade, and timely maintenance of the equipment allow the fuel gas treatment facility to operate to this day with a high level of reliability and efficiency.

    

REFERENCE. Verh-Tarskoye oil field (VTOF) is located in the northern part of the Novosibirsk region. The field was discovered in 1970; the commercial oil production is begun since 2000. One of the features of VTOF is large distance from the communications, which poses a major difficulty in the development of hydrocarbon reserves in the Novosibirsk region.

Oil produced at VTOF on its properties is close to the brand Brent, characterized by minimal amounts of impurities, it is low-paraffin and sweet crude. During the processing of the oil output of light fractions is to 25% higher than the average for Russia.

The field is developed by Novosibirskneftegaz JSC (part of Neftisa Companies Group), which also has a license to develop the Rakitinsky, Mezhovsky and East-Mezhovsky license areas.



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