Pictured: Grigory Stratyi , Head of Murmanshelf Association at the press conference in St.Petersburg.Shtokman Development AG wants to invite more Russian companies to develop the Shtokman Gas Field (one of the world`s largest natural gas fields, lies in the central part of Russian sector of the Barents Sea) said Shtokman Development AG Chief Executive Director Yuri Komarov (not pictured) at the press conference in St.Petersburg. Shtokman`s gas is planed to be sold to Europe via the planned Nord Stream pipeline. Swiss company Shtokman Development AG, incorporated on 21 February 2008 in Zug, Switzerland, bears all financial, geological and technical risks related to the production activities for Shtokman Gas Field