OSLO (Reuters) - Norway's Statoil (>> Statoil) will extend output from its Snorre oilfield in the North Sea by some 25 years under a 19 billion Norwegian crown (1.69 billion pounds) investment plan announced on Thursday.

The work should increase recovery from the field by almost 200 million barrels and production will start in 2021, Statoil said in a statement.

Statoil also awarded contracts worth some 9 billion crowns to subcontractors, including TechnipFMC (>> TechnipFMC), Subsea 7 (>> Subsea 7), Aibel (>> Ratos) and Transocean .

The plan includes drilling 24 wells, 12 for production and 12 for injection, and building six subsea templates tied to the Snorre A platform.

The field produced 80,000 barrels of oil per day during the first 10 months of 2017, data from the Norwegian Petroleum Directorate shows.

Statoil's partners in the license are Petoro, Exxon Mobil (>> Exxon Mobil Corporation), Idemitsu (>> Idemitsu Kosan Co., Ltd.), DEA and Point Resources.

The project had been postponed so that Statoil could cut costs and improve profitability. It is still subject to formal approval by Norwegian authorities.

(Reporting by Nerijus Adomaitis; editing by Terje Solsvik and Jason Neely)