An offshore shipyard planned by Russian energy company Novatek could cost RUB 120bn ($1.77bn).

This is according to Novatek-Murmansk LLC general director Dmitry Ageev, who was cited by the Interfax news agency.

"It is a very fresh [figure], the latest available today. Clearly, we haven't finished designing the topside facilities, haven't selected the contractors for the topside facilities," he said.