What are the natural composition of natural gas?

Methane gas CH4 . Natural gas is methane, CH4. Sometimes traces amounts of other things are added, for instance odorizers so that it is possible to smell the gas in case of a leak in the household.

Natural gas as recovered from underground deposits contains mainly methane (CH4), but it also contains heavier gaseous hydrocarbons such as ethane (C2H6), propane (C3H8) and butane (C4H10). Other...

It is a naturally occurring gas substance originating from the earth. It is largely methane, and was formed millions of years ago from vegetation and animal matter.

NGL is not liquefied natural gas, which is condensed natural gas that is compact and therefore convenient for overseas shipping.