30 September 2013

The experience of ENERGAS in treatment of low-pressure associated petroleum gas was applied at the central production facility (CPF) of the Rogozhnikovskoye field of Surgutneftegas OJSC. The upgrade of the gas compression and treatment facility (GCTF) has been completed here. The low pressure booster compressor unit of ENERGAS has been commissioned. Rated BCU capacity is 7,000 Nm3 / h.



Engineers of ENERGAS, specifically for this BCU, improved the condensate removal system, installed a gas air-cooling unit with the integration of its control system into the ACS of the compressor unit. The data transmission system for APCS has also been improved.

At the Rogozhnikovskoye field, the following process flow diagram for APG treatment for its subsequent use as fuel gas is implemented:

– from CPF, low-pressure associated gas with pressure close to vacuum (0.02 MPa) enters to GCTF, where it is compressed up to 1.6 MPa by the low pressure compressor units;

– after compressing, APG is directed to GTPP-1 and GTPP-2 of the Rogozhnikovskoye field, where medium pressure BCUs continue to treat associated gas and feed it under necessary operating pressure to the turbines of the power plants.



At present, Surgutneftegas is leading in the oil and gas industry in solving the national task of rational use of associated petroleum gas. At the end of 2012, indicators of APG recovery in this company amounted to 99.29% for fields in Western Siberia, and 97.58% for Eastern Siberia.

REFERENCE. The Rogozhnikovskoye field is located in the Oktyabrsky district of the Khanty-Mansi Autonomous Area. It is in operation since 2005. The development is carried out by the Bystrinskneft Oil and Gas Production Department of Surgutneftegas OJSC. The main difficulty for oilmen is the distance of the oilfield from the city of Surgut to a distance of almost 400 kilometers, as well as difficult geological and climatic conditions.

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