冬季风暴埃利奥特(Elliott)在美国和加拿大造成了严重破坏，造成数十人死亡，数百万家庭断电
由于冬季风暴埃利奥特席卷北美，美国最大的天然气生产盆地阿巴拉契亚盆地的天然气产量出现了创纪录的下降
冬季风暴让油井和设备运行陷于停滞，俄亥俄州的天然气产量下降了50%以上，而宾夕法尼亚州的天然气产量下降了20%以上
据油价网12月28日报道，美国最大的天然气生产盆地阿巴拉契亚地区的天然气产量下降了创纪录的数量，原因是冬季风暴埃利奥特席卷了宾夕法尼亚州和俄亥俄州，冻结了油井和一些设备，并导致管道基础设施出现机械问题。
根据BloombergNEF基于管道流量的估计，与平常水平相比，阿巴拉契亚盆地的天然气供应下降了27%，即90亿立方英尺。彭博社指出，这是自2013年有记录以来跌幅最大的一次。
在宾夕法尼亚州，由于油井冻结，天然气产量下降了20%以上。据彭博社估计，俄亥俄州的天然气产出减少了一半以上。
冬季风暴埃利奥特切断了数百万家庭的电力供应，并打乱了数百万人的圣诞节旅行计划，数千架航班被取消。就在圣诞假期周末之前，近2.5亿美国和加拿大居民受到这样或那样的风暴影响，数十人死亡。
截至12月27日周二，美国的天然气产量仍明显低于过去几周的水平。天然气情报机构引用的早期生产数据显示，美国天然气日产量仍在800亿～860亿立方英尺左右，远低于过去几周和几个月的1000亿立方英尺的日产量。
本周，几条天然气管道继续报告问题，这进一步限制了天然气流向系统的能力。
阿巴拉契亚天然气产量的暴跌加剧了电网的问题，因为通过管道输送到燃气发电机组的天然气数量减少了。
与此同时，冬季风暴埃利奥特期间电力需求激增，导致美国一些地区的电力系统紧张。田纳西河谷管理局和杜克能源公司在圣诞节前夕在田纳西河谷和卡罗来纳州实施了轮流停电，以保持电网稳定。
李峻 编译自 油价网
原文如下：
U.S. Natural Gas Production Plunges As Winter Storm Wreaks Havoc
· Winter Storm Elliott has wreaked havoc across the U.S. and Canada, leaving dozens of people dead and cutting power to millions of households.
· The Appalachia basin, the top natural gas-producing basin in the U.S., saw production drop by a record amount as the storm swept through.
· Natural gas output fell by more than 50% in Ohio and by more than 20% in Pennsylvania as the storm froze wells and equipment.
Natural gas output in the Appalachia region, the top gas-producing basin in the U.S., dropped by a record amount as Winter Storm Elliott swept through Pennsylvania and Ohio, freezing wells and some equipment and creating mechanical issues at pipeline infrastructure.
The Appalachia basin saw natural gas supply drop by 27%, or by 9 billion cubic feet, compared to the typical levels, according to estimates by BloombergNEF based on pipeline flows. The decline was the steepest on record in data since 2013, Bloomberg notes.
In Pennsylvania, natural gas production fell by more than 20%, due to well freeze-offs. In Ohio, output more than halved, according to Bloomberg’s estimates.
Winter Storm Elliott cut off the power supply to millions of households and disrupted Christmas travel plans for millions more as thousands of flights were canceled. Just ahead of the Christmas holiday weekend, almost 250 million U.S. and Canadian residents were affected by the storm in one way or another, and dozens of people have died.
As of Tuesday, December 27, U.S. natural gas production was still significantly below the levels of the past weeks. Early production data, cited by Natural Gas Intelligence, showed that American natural gas output was still around 80-86 Bcf/d, well below the 100 Bcf/d production of the past weeks and months.
Several gas pipelines continued to report issues this week, which has further constrained the ability of gas flows to the systems.
The plunge in the Appalachia natural gas production exacerbated issues at the grids as lower volumes of gas were sent via pipelines to gas-fired power generation units.
This happened just as power demand surged during the storm, straining electricity systems in some areas in the U.S. The Tennessee Valley Authority and Duke Energy implemented rolling blackouts in the Tennessee Valley and the Carolinas ahead of Christmas Eve to maintain grid stability.
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