Russia's Gazprom Neft is to press ahead with the most cost-effective option for development of the southern part of its Dolginskoye offshore field in the Pechora Sea.
The state-controlled oil producer has decided to leave the northern part of the deposit untouched for the time being, according to a company tender notice.
Gazprom Neft was due to start development drilling at the field this year, according to an original development plan.