 |
| Russian | English |
| трудноизвлекаемая нефть | tight oil (Ying) |
| трудноизвлекаемые запасы | challenged reserves (evermore) |
| трудноизвлекаемые запасы | hard-to-extract reserves (Gazprom Neft also has a joint venture, Salym Petroleum Development (SPD), with Shell in Western Siberia and a technology cooperation agreement with Schlumberger. These ventures could be hampered by the new sanctions, as they aim at developing hard-to-extract shale oil reserves, mainly from Bazhenov deposits. shikisai) |
| трудноизвлекаемые запасы | hard-to-recover reserves (A1_Almaty) |