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 natural gas industry, President Evo Morales dramatically took over and occupied installations by using military force on May 1, 2005. Even though he stated that expropriations would not occur, the short period of six months given to renegotiate contracts put great pressure on the main foreign companies exploring for of natural gas in Bolivia. The state-owned Brazilian company Petrobrás, was among the most affected, since it was one of Bolivia’s largest foreign investors and controlled 14% of the country’s natural gas reserves, which in consequence created large concerns in the Brazilian government. Ultimately, negotiations took place and no further hostilities