BADRA OILFIELD, Iraq- Russia's Gazprom Neft SIBN.MM and its partners developing Iraq's Badra oilfield plan to invest a further $2.5 billion in the project until 2030, Gazprom Neft Chief Executive Alexander Dyukov said on Wednesday.So far, investments by an international consortium which includes Gazprom Neft, South Korea's Kogas, Malaysia's Petronas, and Turkey's TPAO, have amounted to $4.0 billion.Gazprom Neft is the project operator.The oilfield is now producing 85,000 barrels per day, Iraqi Oil Minister Jabar al-Luaibi said.Its associated gas plant would increase output to 50 million cubic feet (mcf)/day in the first quarter of 2018, up from 35 mcf/day now, he added.Iraq could import natural gas from Iran to be processed at the Badra gas facility, Luaibi said.(Reporting by Olesya Astakhova and Ahmed Rasheed; Writing by Maria Kiselyova and Ahmed Aboulenein; Editing by Dmitry Solovyov and Edmund Blair) ((ahmed.aboulenein@thomsonreuters.com; +964 790 191 7021; Reuters Messaging: ahmed.aboulenein.thomsonreuters.com@reuters.net))Keywords: GAZPROM NEFT IRAQ/BADRA