Color is not claimed as a feature of the mark.
The mark consists of a white background, on which there is a black line hollow circle, inside the black line circle there are two intersecting black lines in the shape of an oblong "X", in between the top two points of the "X", but not touching either, there is a small fulling colored in circle, underneath the black line circle there are two words, the first is "refinery" in all lower case large text, and the second, below the first, is "HAUS" in all upper case smaller text.