Songa Enabler starts Snøhvit well upgrade campaign

Offshore staff

STAVANGER, Norway – The Cat D semisubmersible Songa Enabler has started drilling a new carbon-dioxide (CO2) injection well at Statoil’s Snøhvit field offshore Hammerfest, northern Norway.

Snøhvit remains the sole LNG project in the world to capture and store CO2 separated from the well stream in a dedicated formation offshore.

So far more than 4 million metric tons (4.4 million tons) of the produced CO2 have been stored, with monitoring to ensure it does not mix with the main producing reservoir.

After the rig has completed work on the new injector, it will drill the first new production well at Snøhvit since the field came onstream in 2007. Drilling is expected to continue until Christmas.

In 2013, Statoil established the project to construct a new CO2 injector well as the original injector would over time leak CO2 into the gas reservoir.

Last summer, subsea pipelines and a template were installed for this project and tied in to the field’s existing subsea facility. The new subsea spread was completed within the budget of NOK 2.5 billion ($294 million).  

The next main program will be the development of the Askeladd field, which is set to come onstream in 2020/2021, helping to sustain capacity at Hammerfest LNG.


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Cat D semisubmersible drilling rig Songa Enabler
On Friday, July 29, the new Cat D semisubmersible drilling rig Songa Enabler started drilling on the Snøhvit field in the Barents Sea offshore Norway. (Photo courtesy Statoil)

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