Japex's business model is based on maintaining a stake in the Russian Sakhalin-1 project.
Japex's business model is based on maintaining a stake in the Russian Sakhalin-1 project.

TOKYO: Japan Petroleum Exploration Co (Japex) said Monday that its new long-term business plan was based on the assumption that it would preserve its stake in Russia's Sakhalin-1 oil and gas project.