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Petroleum - Wikipedia
Petroleum, also known as crude oil or simply oil, is a natural resource that appears as a yellowish-black liquid chemical mixture found in geological formations, consisting primarily of hydrocarbons. [1] The term petroleum refers to both naturally occurring unprocessed crude oil, as well as to petroleum products that consist of refined crude oil.

Petroleum | Energy, Products, & Facts | Britannica
Petroleum, complex mixture of hydrocarbons that occur in Earth in liquid, gaseous, or solid form. The term is often restricted to the liquid form, commonly called crude oil, but, as a technical term, ‘petroleum’ also refers to natural gas and the viscous or solid form known as bitumen, which is found in tar sands.

Petroleum - National Geographic Society
Petroleum, or crude oil, is a fossil fuel and nonrenewable source of energy.

What is Petroleum: Definition, Formation, Constituents, Types and Uses
Petroleum extraction involves the process of locating and bringing crude oil and natural gas to the surface from deep within the earth’s crust. This process is a critical function of upstream companies within the oil and gas industry. Upstream activities encompass exploration, drilling, and production, focusing on finding viable oil reserves and efficiently extracting them. Companies in this ...

Oil and petroleum products explained - U.S. Energy Information ...
What petroleum products are made from crude oil? After crude oil is removed from the ground, it is sent to a refinery where different parts of the crude oil are separated into useable petroleum products. A U.S. 42-gallon barrel of crude oil yields about 45 gallons of petroleum products in U.S. refineries because of refinery processing gain.

Petroleum industry - Wikipedia
Petroleum industry Petroleum industry map showing oil pipelines, natural gas pipelines, refineries, and petroleum fields The petroleum industry, also known as the oil industry, includes the global processes of exploration, extraction, refining, transportation (often by oil tankers and pipelines), and marketing of petroleum products.

Petroleum - Simple English Wikipedia, the free encyclopedia
Petroleum Petroleum, (from Greek πέτρα - rock and έλαιο - oil) also called crude oil, is a thick and black liquid. It is a natural material mainly made of hydrocarbons. The hydrocarbons come from many billions of ancient phytoplankton. When they die, their bodies sink to the bottom. This formed basins of oil in many parts of the world. Most petroleum is found by drilling down through ...

PETROLEUM Definition & Meaning - Merriam-Webster
The meaning of PETROLEUM is an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, is a complex mixture of hydrocarbons with small amounts of other substances, and is prepared for use as gasoline, naphtha, or other products by various refining processes.

What is petroleum, and where does it come from? - ZME Science
Petroleum (from the old Greek petra, meaning stone and oleum meaning oil), also known as crude oil, is a fluid mix of liquid and gaseous hydrocarbons, inorganic chemical elements, and physical ...

Understanding Petroleum: Importance, Uses, and Investment Strategies
Explore what petroleum is, why it’s crucial for the global economy, and learn about ways to invest in the oil industry, including stocks, ETFs, and futures.