This process, known as diagenesis, converted the biological material into a waxy substance called kerogen. Generally, oil formation requires temperatures between 60°C and 120°C, a range geologists refer to as the "oil window.
How Is Crude Oil Formed: The Step-by-Step Process of Organic Transformation
Stage Description Key Conditions Diagenesis Organic matter converts to kerogen. Trap formation, cap rock.
Timeframe: Often millions to tens of millions of years are required for the transformation to be complete. Burial, compaction, low temperatures Catagenesis Kerogen breaks down into oil and gas.
How Is Crude Oil Formed: The Process Explained Step by Step
Heat (60-120°C), pressure, time Migration Oil moves through rock pores. The Organic Origins: Building Blocks of Crude Oil The story of crude oil begins in ancient seas, lagoons, and lakes where plankton, algae, and other microorganisms flourished.
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