据英国石油公司(British Petroleum)2014年世界能源统计报道,美国的天然气产量已经达到世界领先的水平,并以3 280亿立方英尺的日均产量站上历史最高点。据最新统计,天然气的全球使用量占一次性能源消耗的24%,落后于石油的33%以及煤炭的30%。在过去5年中,美国天然气产量增长超过20%。随着科技的革新,页岩中以游离态和吸附态赋存的甲烷气 According to British Petroleum’s 2014 World Energy Statistics report, the U.S. natural gas production has reached the world’s highest level and reached a historic high of 382 billion cubic feet per day. According to the latest statistics, the global use of natural gas accounts for 24% of primary energy consumption, behind 33% of oil and 30% of coal. In the past five years, the U.S. natural gas production has increased by more than 20%. With technological innovation, the methane gas in the shale that is free and adsorbed