- North Sea Brent Crude is a blended light sweet oil produced from the North Sea in the early 1960s.
- An oil ETF is an exchange-traded fund (ETF) that invests in companies in the oil and gas industry.
- An oil field is a piece of land under which fossil fuels can be extracted for economic value.
- The Oil Pollution Act of 1990 expanded the powers of federal agencies to prevent and punish massive oil spills.
- An oil refinery is a facility that refines crude oil into various useful petroleum products such as gasoline, kerosene, or jet fuel.
- Oil reserves are the amount of crude oil that can be produced in a country or region.
- Oil sands or tar sands are sandy and rocky materials containing crude bitumen, a thick and viscous liquid.
- The OPEC basket is a weighted average of the oil prices of various OPEC members around the world.
- Petrodollars are US dollars paid to an oil exporting country.
- Platinum is a metal used in jewelry, cars and electronics.