What is Natural Gas?
Natural gas, crude oil, and coal are collectively known as hydrocarbons. Also called petroleum compounds, hydrocarbons are made up of the elements hydrogen and carbon, plus impurities. A wide variety of distinctly different hydrocarbon compounds, each with a different proportion of these two main elements, is encompassed within the general terms natural gas and crude oil.
The lower the number of carbon molecules, the lighter the compound, and the more likely the hydrocarbon will be found in the gaseous phase. Crude oils contain longer chains of carbon molecules and are heavier than gas; they are more likely to be found in liquid phase. Coal is usually found in the solid phase and contains even longer chains of carbon molecules.
As a strict definition, natural gas consists of hydrocarbons that remain in the gas phase (not condensable into liquids) at 20°C and atmospheric pressure, conditions considered to be standard temperature and pressure (STP). This......

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Title: Gas Production
Approximate Word Count: 11813
Approximate Pages: 48 (250 words per double-spaced page)

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