Answer | Crossword Clue |
---|---|
ABADAN | Mideast oil-refining center |
CRUDE | Oil, before refining |
ETHANE | By-product of oil refining |
ARUBA | Isle famed for oil refining |
raffinate | the refined fraction which results after removal of impurities by solvent extraction, spec. in oil refining |
raffinates | RAFFINATE, the refined fraction which results after removal of impurities by solvent extraction, spec. in oil refining |
upstream | At a stage in the process of gas or oil extraction and production before the raw material is ready for refining |
downstream | At a stage in the process of gas or oil extraction and production after the raw material is ready for refining |