Natural gas before the natural gas can be transported. Natural gas extracted from oil wells is called casinghead gas (whether or not truly produced up the annulus and through a casinghead outlet) or associated gas. The natural gas industry is extracting an increasing quantity of gas from challenging resource types: sour gas, tight gas, shale gas, and coalbed methane. There is some disagreement on which country has the largest proven gas reserves. Sources that consider that Russia has by far the largest proven reserves include the US CIA (47 600 km³), the US Energy Information Administration (47 800 km³), and OPEC (48
Natural gas in Bolivia anti-coca campaign led to even further discontent, specially by people of indigenous descent. This led to his resignation and fled of the country in 2003, after demonstrations against his government—the strongest ones against his plans to export natural gas, which sparked the “Bolivian gas war”—that cost him lost of Congressional support. Lozada’s vice president took over the presidency, and at this point natural gas was at the center stage of Bolivian politics, with the "Bolivian gas war" full blown. The war originated from the discontent of Bolivian people with the distribution of revenues from what they saw as the biggest