根据本周美国能源信息署(EIA)发布的报告：从2013年开始至今，中国四川盆地页岩气水平井的钻井成本降低了23%。
According to a report released this week by the U. S. Energy Information Administration (EIA), the cost to drill a horizontal shale gas well in China's Sichuan Basin has dropped by 23% since 2013.
根据本周美国能源信息署(EIA)发布的报告：从2013年开始至今，中国四川盆地页岩气水平井的钻井成本降低了23%。
According to a report released this week by the U. S. Energy Information Administration (EIA), the cost to drill a horizontal shale gas well in China's Sichuan Basin has dropped by 23% since 2013.
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