Fuel gas treatment facility for the CGCTP at the East Urengoy: start-up and adjustment works started at the module No. 2

18 February 2019

The East-Urengoy licensed area of JSC Rospan International (part of PJSC NK Rosneft) is located in the Purovsky District of the Yamal-Nenets Autonomous Area of the Tyumen Region. With the commissioning of this area, the annual amount of gas production by Rospan International will increase almost fivefold and reach a level of over 19 billion cubic meters.

In order of full development of the field, a complex gas and condensate treatment plant (CGCTP) is being set up here. The designed capacity of the facility in terms of the volume of natural gas treatment will be:
  • 16.7 billion cubic meters of dry gas per year;
  • Up to 4.5 million tons of stable gas condensate;
  • Over 1 million tons of propane-butane fraction.
CGCTP is equipped with a multipackaged fuel gas treatment facility (FGTF) of ENERGAS.

This FGTF will perform filtering, metering, heating, reduction and in parallel mode will feed gas (with different parameters in terms of pressure, temperature and flow rate) to the facilities of main and auxiliary purposes. Among them there is a boiler house, technical propane-butane purification unit from methanol, a low-temperature separation unit, a methanol regeneration unit, intake flow lines, a flare unit, a booster compressor station of low-pressure gases, and a condensate stabilization unit.

Also, ENERGAS FGTF will supply fuel to a new auxiliaries gas turbine power plant, which will provide electricity for the East-Urengoy area's facilities of production, processing and transportation of the oil, gas and gas condensate.

The FGTF includes two fuel gas treatment modules (FGTM). Each module consists of separate block-boxes with equipment that are docked together in a single block-building with a common roof.

FGTM-1 is the main and is designed to feed GTPP and 100% of CGCTP consumers. The range of its design capacity for gas is 93 ... 90,400 nm3 / h.

Fuel gas treatment module No.2 is standby. When the FGTM-1 is shutdown, the standby module is turned on and supplies gas to the boiler house and the GTPP. The installed capacity of FGTM-2 is 93 ... 32,612 nm3 / h.

The equipment is fully automated; the local ACS of the two MPTGs are integrated with the upper level of the APCS. All block-boxes are equipped with life support and safety systems. The fuel gas treatment facility was designed and manufactured taking into account the climatic conditions of the region and is designed for intensive operation mode.

The commissioning of the FGTF is performed by the technical specialists of ServicENERGAS LLC (group of companies ENERGAS). At present, there are begun start-up and adjustment works at the module No. 2. Pre-start stage will be completed with own tests of equipment (with operability check of all the elements and systems) and 72-hour comprehensive testing as a part of the object.

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