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Monday, August 22, 2016

Methane "Hot Spot" Linked to Natural Gas Leaks by NASA

From EcoWatch:
The National Aeronautics and Space Administration (NASA) released a new study Monday examining what caused a methane "hot spot" to form in New Mexico. This new study of methane emissions generated by the oil and gas industry in the state's San Juan Basin is a major step forward in understanding the causes of New Mexico's methane "hot spot." It follows up on a 2014 satellite-based study that initially found the "hot spot" and sought to identify its specific causes. 
The NASA study found that roughly 50 percent of basin-wide methane emissions come from more than 250 very large polluters that were detected by intensive NASA aerial surveys and ground crews. According to the authors, this finding confirms researchers' earlier speculation that most of the basin's methane emissions are related to natural gas extraction and coal mining. 
But this is only half of the story as the study did not determine the source of the remaining 50 percent of emissions. Given the more than 20,000 (mainly older) gas wells, myriad storage tanks, thousands of miles of pipelines and several gas processing plants in the area, NASA's finding that the oil and gas industry is primarily responsible for the "hot spot" is not surprising. In fact, the researchers found only one large source of methane not related to oil and gas operations: venting from the San Juan coal mine. This discovery renders attempts to point the finger at other potential emissions sources, like coal outcrops and landfills, definitively refuted.
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