Oil (petroleum) basics
Petroleum means rock oil or oil from the earth. Crude oil is found in large underground deposits, in tiny spaces within sedimentary rocks, and near the surface in tar (or oil) sands. Petroleum products are made from crude oil and other hydrocarbons contained in natural gas.
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Petroleum
A sample of petroleum
Pumpjack pumping an oil well near Lubbock, Texas, U.S.
An oil refinery in Ahmadi Governorate in Kuwait
Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly... Wikipedia
The American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry.
Our purpose is reimagining energy for people and our planet. We want to help the world reach net zero and improve people's lives. We want to be an energy ...
Petroleum Service Company offers lubricants for industrial, manufacturing, automotive, fleet and aviation applications, as well as greases, race fuels, ...
an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, ...