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Russia: Oil Exploration Gazprom Neft’s Neptune Field Attains Reserves of 415 Million Tonnes

Editor: Ahlam Rais

The hydrocarbon reserves are in excess of 1.6 times of the original estimate. Located in the Ayashsky licence block, well construction is being undertaken by Gazpromneft-Sakhalin.

Gazpromneft-Sakhalin will continue the construction of a second well at the Ayashsky licence block.
Gazpromneft-Sakhalin will continue the construction of a second well at the Ayashsky licence block.
(Source: Gazprom Neft)

Russia - The Federal Agency for Mineral Resources has confirmed hydrocarbon reserves at Gazprom Neft’s Neptune field, located offshore from Sakhalin Island in the Sea of Okhotsk, at 415.8 million tonnes of oil (C1+C2) — a 1.6-fold increase on the original estimate.

The Neptune field was Gazprom Neft’s most important discovery of 2017. The subsoil usage licence to the Ayashsky licence block is owned by Gazpromneft Shelf. Work on well construction is being undertaken by Gazpromneft-Sakhalin, supported by the Gazprom Neft Science and Technology Centre. Based on the results obtained, a geological model has been constructed, and reserves estimates produced. Well core and fluid studies have been undertaken, together with interpretation of geo-physical well-logging data.

Gazpromneft-Sakhalin is now continuing the construction of a second well at the Ayashsky licence block — which specialists from international consulting company Wood Mackenzie have included among their most anticipated exploratory wells of 2018.

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