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Bolshekhetskaya Depression (Northern part of West Siberia)

The Bolshekhetskaya Depression fields form the backbone of the LUKOIL Group’s gas production, with the proven gas reserves totaling 10.5 trillion cu. ft. In 2016 production of commercial gas totaled 6.8 bcm.

The Company’s core active gas field is Nakhodkinskoye. It accounts for most of the Company’s natural gas production in Russia (about 89%). In October 2016, oil production was launched at the Pyakyakhinskoye oil and gas condensate field. Gas production started at the field in January 2017.

Nakhodkinskoye field. In 2016 it produced 7.0 bcm of gas. As of late 2016 the field’s proven reserves were 1.8 trillion cu. ft of gas. The gas produced at the field is delivered via a 117 km long pipeline to the Yamburgskaya gas compressor station and on into the transportation system of PJSC Gazprom.

Pyakyakhinskoye Field. Commercial production was launched at the Pyakyakhinskoye oil and gas condensate field in October 2016. Gas production started at the field in January 2017.

Since the Pyakyakhinskoye field has a challenging geology complicated by gas caps and oil rims, its core assets are developed through horizontal drilling, including multilateral wells.

A gas-turbine electric power plant with a capacity of 36 MW and a number of production, social and environmental facilities have been built at the field to date, including an oil treatment unit, a pump station of the pressure-maintenance system, a condensate de-ethanization and stabilization unit, a transfer-and-acceptance station, a gas treatment unit, a refuse dump for household and industrial waste, and a field camp for 300 people.

The crude oil is transported via the Zapolyarye-Purpe pipeline.

Marketable gas from the field is transported via a gas trunk line to a gas compressor station near Nakhodkinskoye field, and further, through a gas pipeline, to the Yamburgskaya compressor station.

At other fields of the Bolshekhetskaya Depression preparations for bringing such fields into development were continued. In particular, the Company is also planning to develop the Yuzhno-Messoyakhskoye and Khalmerpayutinskoye fields.