Sakhalin 2 (Piltun-Astokhskoye & Lunskoye) is a producing conventional gas field located in shallow water in Russia and is operated by Sakhalin Energy Investment. The field is located in block Lunsky and Piltun-Astokhsky, with water depth of 138 feet.

Field participation details

The field is owned by Gazprom, Mitsui, Shell and Mitsubishi.

Production from Sakhalin 2 (Piltun-Astokhskoye & Lunskoye)

The Sakhalin 2 (Piltun-Astokhskoye & Lunskoye) conventional gas field recovered 57.24% of its total recoverable reserves, with peak production in 2017. The peak production was approximately 124.47 thousand bpd of crude oil and condensate, 234 Mmcfd of natural gas and 1,533 Mmcfd of liquid natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2053. The field currently accounts for approximately 2% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 1,402.16 Mmboe, comprised of 186.13 Mmbbl of crude oil & condensate, 1,602.42 bcf of natural gas reserves and 5,693.75 bcf of liquid natural gas reserves. Sakhalin 2 (Piltun-Astokhskoye & Lunskoye) conventional gas field reserves accounts 0.48% of total remaining reserves of producing conventional gas fields globally.

About Sakhalin Energy Investment

Sakhalin Energy Investment Co Ltd (Sakhalin Energy) is an energy service provider, that offers transportation, processing, production, and marketing of crude oil and natural gas. The company’s products comprise natural gas, crude oil, and liquefied natural gas, among others. It owns and operates transsakhalin pipeline systems, booster station, onshore processing facility, oil export terminals, and liquefied natural gas plants. Sakhalin Energy offers development of Piltun-Astokhskoye oil field and the Lunskoye gas field off the north-eastern coast of Sakhalin. The company provides its products and solutions through its assets and two terminals in Sakhalin Oblast. Sakhalin Energy is headquartered in Yuzhno-Sakhalinsk, Russia.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.