Transformation into Kerogen With continued heat and pressure over millions of years, the organic matter underwent chemical changes, converting into a waxy substance called kerogen. Ancient Organic Material The story of how is crude oil made begins in ancient seas, lakes, and wetlands.
Heat and Pressure Generate Crude Oil Over Millions of Years
Tiny organisms like algae and zooplankton, along with plants and other organic material, lived, died, and settled on the bottoms of these water bodies. Extraction and Refining Once geologists and engineers identify a reservoir, they drill wells to bring the crude oil to the surface.
Environmental Considerations and Future Outlook Because crude oil is a finite resource formed over millions of years, concerns about depletion and environmental impact drive ongoing changes in energy markets. The weight of newer sediment layers created tremendous pressure, and the Earth’s heat increased with depth.
Heat and Pressure Generate Crude Oil Over Millions of Years
Extracting and burning crude oil releases carbon dioxide and other emissions, which contribute to climate change. Crude oil is a fossil energy source that formed deep beneath the Earth’s surface millions of years ago.
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