Natural gas is colorless, lighter than air, and insoluble in water. The weight of gas in a cubic meter of gas field is only about 55% of that of air, and the weight of associated gas in a cubic meter of oil field is only about 75% of that of air.
V 2, the main component of natural gas is methane, and the products after combustion are H2O and CO2.
V 3, the calorific value of natural gas is higher, after one cubic meter of natural gas is burned, the quantity of heat generated is more than twice that of the same volume of artificial gas (such as coke oven gas), that is 35.6-41.9 trillion coke/m3 (about 8500-10000 kcal/m3).
V 4. Natural gas can be liquefied, and its volume will be reduced to 1% of the gaseous state after being liquefied. Each cubic meter of natural gas needs about 10 cubic meters of air to fuel.

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