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Crude oil, liquid petroleum that is found accumulated in various porous rock formations in Earth’s crust and is extracted for burning as fuel or for processing into chemical products. Crude oil is a mixture of varying hydrocarbons and other chemicals, and its physical properties vary widely.
Learn how oil is formed from dead plankton and organic matter in ancient oceans, and how it is trapped in reservoir rocks by geological changes. Explore the steps, conditions, and processes involved in oil formation, and the role of temperature and pressure.
The term petroleum refers both to naturally occurring unprocessed crude oil, as well as to petroleum products that consist of refined crude oil.
Learn how crude oil is formed from ancient fossils through diagenesis and catagenesis, and why it is not from dinosaurs. Find out how much oil we have left and where it is located.
How is crude oil found and produced? The search for crude oil begins with geologists who study the structure and history of rock layers below the earth's surface to locate areas that may contain deposits of oil and natural gas.
11 paź 2005 · It runs modern society and fuels serious political tension. But where does oil really come from, and how much is left? The far-out answers might surprise you.
12 cze 2023 · Crude oil and other hydrocarbons exist in liquid or gaseous form in underground pools, or reservoirs, in tiny spaces within sedimentary rocks and near the earth's surface in tar (or oil) sands. Petroleum products are fuels made from crude oil and the hydrocarbons contained in natural gas.
