Fuel gas treatment facility for the power supply complex of the Barsukovskoye field is underwent factory testing
22 March 2019
At the production site of the ENERGAS Group of Companies, there are completed preliminary tests of a fuel gas treatment facility (FGTF) manufactured for operation as part of the autonomous power supply complex for the Barsukovskoye field of the RN-Purneftegaz (Rosneft).
In the course of testing there has been checked the functioning of process, measuring, boiler, and electrical equipment and automated control system. FGTF is being prepared for transportation to the site of operation.
FGTF is supplied with a high degree of prefabrication (coefficient of readiness is 0.98) what further significantly reduces the duration of the construction and mounting works as well as pre-start activities.
The power supply complex for the Barsukovskoye field consists of 12 Cummins gas reciprocating units with electric power of 1.5 MW and it is designed to supply infrastructure and process facilities of the field with electrical energy. Owner of gas reciprocating power plant is Alliance Generation LLC. The fuel is natural gas.
Fuel gas treatment facility is multifunctional complex, including several block-boxes with equipment for various purposes, which, when assembled, are docked together in a single building with a common roof. FGTF will provide power units with gas with installed design parameters for purity, temperature, pressure and flow.
The main components of FGTF:
- Gas filtration system with two-stage coalescent filters, purification rate is 100% for the liquid fraction and 99.9% for solid particles larger than 2 microns;
- Condensate drainage module with 10 m3 underground tank;
- Gas metering subassembly with ultrasonic flow meters;
- Gas preheating module based on a shell-and-tube heat exchanger;
- Bilinear reduction system;
- Packaged boiler room for the treatment of the heat carrier, including two boilers with a total thermal capacity of 0.19 MW.
Fuel gas treatment facility is fully automated. The automated control systems implement launch (and preparation for start), shutdown, and maintaining the optimal operation mode; they control the process parameters; they provide automatic protection and alarm system; they handle the parameters of the workflow and emergency events with the issuance of information via a standard exchange protocol.
The local ACS is placed in a special compartment separated from the FGTF process part by gas-tight fire-resistant partition. ACS is integrated with the upper level of APCS of the power supply complex and it provides remote equipment control, indoor gas hazard monitoring, output of status information for all elements and systems to the operator panel.
Gas pressure at the FGTF inlet is 0.5...0.8 MPa, at the outlet is 0.3 MPa. The rated capacity of the unit is 5,000 m3 / h. Coefficient of operational reliability is 0.99. Assigned resource (lifetime) is 30 years.
REFERENCE. LLC RN-Purneftegaz is developing oil and gas fields in the Yamal-Nenets Autonomous Area. Production Association Purneftegaz was founded in 1986 to develop a group of fields in the circumpolar zone of the YNAA. In 1995, the company became part of the Rosneft Oil Company. The reserves of Purneftegaz are highly concentrated, more than 70% of oil and gas condensate reserves are concentrated in four fields – Komsomolskoye, Kharampurskoye, Tarasovskoye and Barsukovskoye.
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