From: Ad 

Glenn Meadows wrote:
> Interesting side note, there was an intriguing show on, I believe History
> Channel last night, about use of CO2 to extract shale locked oil deposits.
> They showed a plant that used to have an enormous CO2 output, but now had
> virtually none, as it was all captured, and piped to a shale oil field,
> where it was injected into the ground.  There, it combines with the oil, and
> "unlocks" it from the rock, and using water injection, they're able to
> extract the mixture of oil and C02.  They then re-capture the CO2 and
> re-inject it yet again.  At some point, the CO2 remains locked in the shale,
> and it becomes a permanent underground storage area for that CO2.
>
> Quite amazing.  They figure that with this process, they have extended the
> life of that one oil field another 10-15 years.
>

Yup the norwegians have been doing this for a while:

http://www.ethicalcorp.com/content.asp?ContentID=5040

"Norway has pioneered the technology at the Sleipner oil and gas field
in the North Sea since 1996. Every year the project, run by state
controlled utility Statoil, injects one million tonnes of CO2 into saline
aquifers 1,000 metres beneath the sea. A number of other carbon capture and
storage projects are scheduled to start running in the next five years.

Sleipner is the first of just two projects outside the US that have
actually begun injecting CO2 into underground storage sites. BP runs the
other, at the In Salah gas field in the Algerian desert."


Adam

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