The color(s) blue, black is/are claimed as a feature of the mark.
The mark consists of Stylized letters, one-word, "BLUEOIL", with the letters "BLUE" in the color blue and the letters "O" & "L" in the color black, with the letter "I" substituted for the image of a black oil derrick spouting a symmetrical fountain of blue water. The entire image "floats" on a sea of blue which fades to white half-way up the image.