Crossword clues for the word: PETROLEUM The word PETROLEUM has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for PETROLEUM Showing 1 to 9 of 9 results Clue(s) Crude clothing for pantomime part in middle Important W. Va. product Let me pour liquid mineral Major Wyoming resource Mineral oil Oil favorite part up with small amount of Mazola (9) REME worked with PLUTO to supply this Source of kerosene and paraffin Thick crude oil