Each of these clusters contains millions of galaxies. Needless to say that anything in any of those galaxies has been totally fried.
FROM
http://www.esa.int/esaCP/SEMSKV9DFZD_FeatureWeek_1.html
galaxy clusters that collided like two high-pressure weather fronts and created hurricane-like conditions, tossing galaxies far from their paths and churning shock waves of 100-million-degree gas through intergalactic space.
Worry about oil??? Geesh.
-Viper