... Taylor and Francis Group, LLCOverview of the Natural Gas Industry 5the world reserves; three quarters of those reserves are located in Russia. Africa ventsor flares 13% of gross production, ... Statistical Review of World Energy, 2005)Although the primary use of natural gas is as a fuel, it is also a source of hydrocarbons for petrochemical feedstocks and a major source of elemental sulfur,an ... percentage of gas flared or vented in Africa. North America(principally the United States) has the world’s second largest production of dry gas and accounts for 29% of world production but possesses...