Possible source of petroleum Crossword Clue

Here is the answer for the crossword clue Possible source of petroleum . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is SHALE.

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Crossword Answer For Possible source of petroleum:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% SHALE Possible source of petroleum (5)
3% OILER Petroleum ship (5) Newsday Mar 17, 2026
3% ROOT Source (4) Eugene Sheffer Feb 16, 2026
3% CONCEIVABLE Possible (11) Puzzler Backwords Feb 5, 2026
3% CRUDEOIL Unrefined petroleum (5,3) (8) Mirror Classic Dec 25, 2025
3% OILFIELDS Petroleum sources (9)
2% PEEL Zest source (4) Thomas Joseph Mar 21, 2026
2% SOYBEAN Tofu source (7) Commuter Mar 18, 2026
2% FLAX Linen source (4) Thomas Joseph Mar 18, 2026
2% CROWBAR Source of leverage (7) LA Times Daily Mar 14, 2026
Possible source of petroleum Crossword Clue
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We found 40 solutions for Possible source of petroleum. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is SHALE.

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With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Possible source of petroleum.