/industries/oilandgas/b/oil-gas-blog/posts/natural-gas-liquids-mass-measurementNatural gas liquids (NGLs) are composed of many hydrocarbons including ethane, propane, butane, pentane and natural gasoline. Measuring the volume of this hydrocarbon mixture required for its sale is challenging because of the impact of pressure, temperatureen-USTelligent Community 13