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This category refers to oil as petroleum, a liquid flammable that occurs in nature that has a complex mixture of hydrocarbons and other varying liquid organic compounds. Oil is found in geologic formations under the Earth's surface.

Contributors in Oil


petrol station

Oil & gas; Oil

A service station that sells gasoline.


Oil & gas; Oil

A body of permeable rock which can contain groundwater.

mud pit

Oil & gas; Oil

tank near the rig into which drilling mud is circulated. Mud pumps withdraw the mud from one end of the pit as the circulated mud (bearing rock chips from the borehole) flows in at the other end.

oil field

Oil & gas; Oil

a region with an abundance of oil wells extracting petroleum (crude oil) from below ground. Because the oil reservoirs typically extend over a large area, possibly several hundred kilometres across, ...


Oil & gas; Oil

the cleared area along the road alignment that contains the roadbed, ditches, road slopes, and back slopes.

oil spill

Oil & gas; Oil

an oil spill is the release of a liquid petroleum hydrocarbon into the environment due to human activity, and is a form of pollution. The term often refers to marine oil spills, where oil is released ...

oil platform

Oil & gas; Oil

an offshore platform, often referred to as an oil platform or an oil rig, is a lаrge structure used to house workers and machinery needed to drill wells in the ocean bed, extract oil and/or natural ...

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