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Lloyds List: Shell and Statoil in gas injection link-up

Mar 14, 2006
SHELL and Statoil have agreed to invest in the world's largest offshore oil project to use carbon dioxide for enhanced oil recovery, writes Martyn Wingrove .
The $1.5bn concept involves taking CO2 from a newbuild gas-fired power plant and expanded methanol production facility at Tjeldbergodden in central Norway to pipe it to two offshore oil fields.
Shell and Statoil intend to use the CO2 to inject into the Heidrun and Draugen oilfields to enhance oil recovery from through two production platforms.
The 850 megawatt gas-fired plant will supply power to run the carbon capture plant and these two platforms in the Norwegian Sea, lowering CO2 and nitrogen oxide emissions.
Power will also be fed into the local grid, which is being stretched by growing demand in central Norway, and will be supplied to the Nyhamna plant to drive the Ormen Lange facilities.
New offshore pipelines will be required to pump CO2 to the Draugen platform and Heidrun tension-leg platform so it can be reinjected.
Shell and Statoil expect the enhanced oil recovery on these fields to produce an extra 100m to 150m barrels over seven to 10 years.
A feasibility study will be completed before the end of this year, followed by engineering studies next year and an investment decision in 2008.
If the project moves ahead the power station could begin generating electricity in 2010 with the first CO2 injected at Draugen in 2011.
The enhanced oil recovery programme at Heidrun would begin at a later date, while the whole project could be extended to other Norwegian Sea oilfields with new pipelines.
Around 2.5m tonnes of CO2 could be injected annually to reduce Norway's emissions.
This could represent 25% of the country's commitment to the Kyoto protocol on lowering greenhouse gas emissions.

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