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Bacteria keep tabs on state of oil field
Date:10/7/2010

ications that biomonitoring is a realistic option. The changes in the microbial diversity of the pore water from the oil well can provide a good understanding of the changing geochemical conditions in the oil field itself. This may well enable the oil field to be exploited more efficiently."

Biofilms

In addition to monitoring, bacteria can also be used to improve oil extraction. Geert van der Kraan explains: "Encouraging the growth of certain groups of bacteria at specific locations in the oil field is an interesting proposition. This growth partially blocks the porous structure of the rock that contains the oil, forcing the water to take another route. It can then move oil that is more difficult to reach, increasing the effectiveness of oil extraction."

Geert van der Kraan is the first researcher to obtain his doctorate as part of the ISAPP programme (Integrated System Approach Petroleum Production). ISAPP is a collaboration between TU Delft, Shell International Exploration & Production and TNO.


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Contact: Roy Meijer
r.e.t.meijer@tudelft.nl
31-152-781-751
Delft University of Technology
Source:Eurekalert

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