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2. Petroleum industry - Wikipedia

   en.wikipedia.org/wiki/Petroleum_industry

   World oil reserves as of 2013. The petroleum industry, also known as the oil industry or the oil patch, includes the global processes of exploration, extraction, refining, transportation (often by oil tankers and pipelines ), and marketing of petroleum products. The largest volume products of the industry are fuel oil and gasoline (petrol).

3. Petroleum - Wikipedia

   en.wikipedia.org/wiki/Petroleum

   Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, [1] and is found in geological formations. The name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of refined crude oil. Petroleum is primarily recovered by ...

4. Hydrocarbon exploration - Wikipedia

   en.wikipedia.org/wiki/Hydrocarbon_exploration

   Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for deposits of hydrocarbons, particularly petroleum and natural gas, in the Earth's crust using petroleum geology .

5. Oil and gas law in the United States - Wikipedia

   en.wikipedia.org/wiki/Oil_and_gas_law_in_the...

   Oil and gas law practitioners usually fall into three broad categories. First, oil and gas companies usually have in-house attorneys that advise the company of its rights and the legal issues. These attorneys are usually assisted by landmen, who examine property titles, land oil and gas rights, and acquire property for the company. Landmen may ...

6. Upstream (petroleum industry) - Wikipedia

   en.wikipedia.org/wiki/Upstream_(petroleum_industry)

   The oil and gas industry is usually divided into three major sectors: upstream (or exploration and production - E&P), midstream and downstream. The upstream sector includes searching for potential underground or underwater crude oil and natural gas fields, drilling exploratory wells, and subsequently operating the wells that recover and bring the crude oil or raw natural gas to the surface.

7. Fossil fuel - Wikipedia

   en.wikipedia.org/wiki/Fossil_fuel

   Fossil fuel. A fossil fuel [a] is a hydrocarbon -containing material such as coal, oil, and natural gas, [2] formed naturally in the Earth's crust from the remains of dead plants and animals that is extracted and burned as a fuel. Fossil fuels may be burned to provide heat for use directly (such as for cooking or heating), to power engines ...