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📘 Hydrocarbons sit in porous rock under pressure

Oil and gas form over geologic time from buried organic matter heated and compressed. They migrate until impermeable rock traps them in reservoirs. A well drills through overlying layers to reach that pore space.

3
lessons
~15 min
to learn
Adults
level
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What you’ll learn

  1. From reservoir to wellheadTrace upstream exploration, drilling, and production.Reservoirs trap hydrocarbons; wells and surface separation bring them out of the ground.
  2. Pipes, plants, and productsExplain midstream transport and downstream refining.Pipelines and plants convert raw hydrocarbons into fuels and feedstocks sold through commodity markets.
  3. Safety, regulation, and limitsConnect safety systems, regulation, and environmental constraints.High-energy fluids require layered controls; policy and markets shape how fast production adapts.

Questions this course answers

What does a trap do in upstream geology?

Traps are impermeable structures that keep oil and gas from escaping to the surface.

Put midstream and downstream stages in order.

Hydrocarbons move from fields through logistics into plants and then markets.

Why do operators monitor fugitive methane?

Leaked methane is both an economic loss and a potent greenhouse gas.

What is a refinery’s core first step for crude?

Distillation separates crude into cuts that later conversion units can upgrade.

Grounded in trusted sources

  • U.S. Energy Information Administration, Oil and petroleum products explained — https://www.eia.gov/energyexplained/oil-and-petroleum-products/
  • U.S. Energy Information Administration, Natural gas explained — https://www.eia.gov/energyexplained/natural-gas/
  • U.S. Environmental Protection Agency, Oil and natural gas sector — https://www.epa.gov/ghgemissions/oil-and-natural-gas-sector
  • Pipeline and Hazardous Materials Safety Administration, Pipeline safety — https://www.phmsa.dot.gov/pipeline

Every Wunder lesson is built from real, reputable sources — never invented.

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