16 March 2013

At the oil field of Rechitsaneft oil and gas production department (RUE PO Belorusneft), the engineers of the Russian company ENERGAS put into operation a system for treatment low-pressure associated gas. This project completed the Republican program of APG recovery.

In the basis of APG treatment system there is a booster compressor station (BCS) consisting of two compressor units (CU). BCS treats and compresses low-pressure associated gas from 0.1 to 0.7 MPa for transportation to the Belarusian Gas Processing Plant.



This process task is solved on special project with using a set of the consistent engineering solutions. In particular, low pressure CUs are equipped with high-speed inlet valves that allows you to cut off inlet pipeline from the main trunk line and prevent the oil ejection from the oil system into the inlet filter-scrubber.

At operation "under vacuum" heavy gas enters in the unit and it often precipitates in the condensate, at the same time it is oil-soluble and it brings to nought oil properties. To resolve this problem, there is used more viscous oil, and gas compression takes place at an elevated temperature.

Special design requirements of the customer also provide limitation of APG temperature in outlet – not more than 40°C. In order to achieve a stable temperature when working with low-pressure associated gas, in the APG treatment system there is included a chiller (refrigerating unit). This equipment insures an additional gas cooling.



REFERENCE. Rechitsa oil field is located in Rechitsa district of Gomel region; it is in the industrial development since 1967. Belarusian Gas Processing Plant specializes in the processing of associated petroleum gas and imported raw materials (broad fraction of light hydrocarbons). GPP produces liquefied gases, stable gas naphtha, hydrocarbon propellant, tail gas.

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