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Annual Report 201
15 / 56
15 research & innovation
chalk
samples a large
part
of the
oil
recovered in denmark comes from underground
chalk
reservoirs in the danish
part
of the north sea. in the laboratories of dtu chemical engineering, researchers inject brines of different salinity into samples of
chalk
saturated with
oil
in order to push out the
oil
?a method known as ?smart water flood- ing?. the progress is then monitored using x-ray computer tomography scanning. photo: thorkild christensen
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