Petroleum

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Across
  1. 3. Viscoelastic material derived from crude oil, commonly used in road construction
  2. 4. Refined petroleum product utilized primarily as a fuel for heating purposes
  3. 6. Machinery employed to penetrate the earth's surface for the extraction of oil
  4. 7. Substance used to reduce friction between surfaces in machinery
  5. 8. Standard unit for measuring the volume of petroleum
  6. 9. Environmental issue stemming from the release of petroleum into ecosystems
  7. 10. Organization influencing the pricing and policies related to crude oil production
  8. 13. Gaseous carbon compound often found alongside petroleum deposits
  9. 14. Nation located in the Middle East recognized for its significant oil production
  10. 15. Aromatic hydrocarbon compound present in petroleum products
Down
  1. 1. Distillate fraction that powers vehicles
  2. 2. Process involving the separation of crude oil into its constituent components based on boiling point
  3. 5. Method of separating different hydrocarbon components from crude oil based on their boiling points
  4. 11. Sedimentary rock formation containing significant quantities of trapped hydrocarbons
  5. 12. Naturally occurring hydrocarbon mixture extracted via drilling