What is the primary component that makes up 85% to 95% of natural gas?

Natural gas is primarily composed of methane, which typically accounts for 85% to 95% of its total composition. Methane is a simple carbon compound (CH4) and is the most abundant hydrocarbon found in natural gas. Its predominance is due to the processes of decomposition and thermocycling that occur in natural gas formation. Given its high energy content and clean-burning properties, methane serves as the primary fuel used in various applications, such as heating, cooking, and electricity generation.

In contrast, propane, ethane, and butane make up smaller percentages of natural gas and are often present in specific mixtures referred to as liquefied petroleum gas (LPG) or natural gas liquids (NGLs) in smaller quantities. Therefore, while these other hydrocarbons may contribute to the overall composition of natural gas, methane's overwhelming presence is what makes it the main component. This is why it is important for those studying gas technology to recognize the significance of methane in the context of natural gas.