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New Danish research shows how oil gets stuck underground
Date:5/11/2009

ful microscope, have shown that the surfaces of the pores in the chalk are partially covered in a material which oil can stick to. Ass. Prof. Hassenkam believes that the surprising behaviour of the material in the surface of the chalk can be explained by studying how the chalk was formed.

"Chalk is actually the casings of ancient algae. The algae gave their cases a type of "surface coating" to make them resistant to water. And it is probably this surface coating that we can see in action here, even 60 million years later" according to Ass. Prof. Hassenkam.

If we can manage to squeeze even a few percent more oil out of the seabed under the North Sea it could be worth millions of kroner for Denmark. Therefore Mrsk Oil and Gas AS on behalf of DUC (Dansk Un-dergrunds Consortium) along with Danish National Advanced Technology Foundation are supporting a project being carried out by Professor Susan Stipps' research group the Nano-Chalk Venture, which has been ongoing for the last two years. Tue Hassenkam originally became interested in chalk because he found the algae casings so beautiful. Today, after a year's work in front of a microscope, he is glad that his work also has a practical application. An understanding of how the oil clings to the chalk can possibly help develop a method to release it. And that will be the second part of the Nano-Chalk Venture.


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Contact: Tue Hassenkam
tue@nano.ku.dk
452-655-2030
University of Copenhagen
Source:Eurekalert

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