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天然气是地壳中广泛分布着的具有多源成因的能源与化工原料资源.近20年以来,世界各国先后转变了重油轻气的观点,十分重视对天然气的勘探开发及利用.因而储量增长十分迅速,勘探与利用技术的提高也进展显著.1950年全世界天然气储量仅8万亿米~3,1970年跃为42万亿米~3,到80年代初已达85万亿米~3.据M·T·哈尔布蒂估计,全世界最终可采天然气储量为271万亿米~3.尽管
Natural gas is widely distributed in the crust with a multi-source causes of energy and chemical raw materials resources.For the past 20 years, countries in the world have changed the view of heavy oil gas, attaches great importance to the exploration and exploitation of natural gas and therefore reserves increased rapidly , And the improvement of exploration and utilization technology has also made remarkable progress.In 1950, the world’s natural gas reserves were only 8 trillion meters to 3, with 42 trillion meters to 3 in 1970 and 85 trillion meters to 3 in the early 1980s M.T.Halbuti estimates that the world’s final recoverable natural gas reserves are 271 trillion meters3.