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7.1 nonrenewable energy (oil (refining the oil: crude oil from a well…
7.1 nonrenewable energy
commercial energy
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renewable energy resources: wind, flowing water, energy from sun, biomass, and heat in the earth's interior
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oil
oil formation: crude oil, petroleum or conventional oil, contains a mixture of combustile hydrocarbons aling with small amounts of sulfure, oxygen, and nitrogen impurities.
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oil was high net energy, but not enymore
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hydroracking
high pressure pumps force a mixture of water, sand, a cocktail of chemicals throught holes in the well pipe to fracture the sale rock and create cracks
when the pressure is released a mixture of the oil or natural gas and about half of the slurry flows to the surface through the well pipe