Neptune reserves reached 415 million tonnes of oil

The Federal Agency for Mineral Resources approved the hydrocarbon reserves of the Neptune* field located on the continental shelf in the Sea of Okhotsk. It contains 415.8 million tonnes of oil (C1+C2) — a 1.6 fold increase.

Neptune field is the largest discovery of Gazprom Neft in 2017. The owner of the license of the Ayashsky license block is Gazprom Neft Shelf. Construction works of the well implemented by Gazpromneft-Sakhalin, Gazpromneft Science & Technology Centre supported the well construction. Geological model and reserves estimation were based on the results. Well core and fluid studies along with the well interpretation of geo-physical well-logging data.

Currently, Gazpromneft-Sakhalin continues construction of the second well at the Ayashsky license block. Experts of the international consulting company Wood Mackenzie included it in the twenty most anticipated exploration wells of 2018.

Alexander Dyukov, Chairman of the Management Board, CEO, Gazprom Neft comments:

“The Neptune field has become one of Gazprom Neft’s largest assets in terms of reserves. The Russian Far East became a new strategically important region of our activities for many years to come, enabling the company to work more actively in the Asia-Pacific region markets. At the same time, Gazprom Neft continues the exploration work on the Sakhalin shelf licensed area, so we still can increase our reserves in this region.”

Andrey Patrushev, Deputy General Director of Offshore Projects Development, Gazprom Neft:

"The Sea of Okhotsk shelf is a new region for Gazprom Neft, opening new opportunities for the company’s success on the shelf. The Neptune field’s discovery, one of the largest on the Russian shelf, was possible thanks to the well-coordinated work of the company’s divisions, as well as to the experience gained in the Arctic projects implementation and accumulated competencies. Offshore fields development is one of Gazprom Neft’s strategic directions.


*The Neptune field, located 55 km northeastward to Sakhalin Island, the sea depth above the field is 60-70 meters.

Back to the list