The logo of Mexican petroleum company Pemex is seen at a gas station in Mexico City August 28, 2014.
MEXICO CITY, Sept 2 (Reuters) - Satellites recorded another large methane leak at an offshore platform belonging to Mexico's Pemex in August, according to exclusive data shared with Reuters, even as pressure mounts on the state oil company to reduce these emissions.
Three satellites recorded images of methane plumes at the Ku-Maloob-Zaap oil field cluster in the Gulf of Mexico during six days between Aug 5 and Aug 29, said Itziar Irakulis-Loitxate, a scientist from the Polytechnic University of Valencia.
During these days, some 44,064 tons of methane were released into the atmosphere from the Zaap oil field in another "ultraemission", Irakulis-Loitxate estimated.
Reuters was unable to determine the cause of the leak but experts have expressed concern over ailing infrastructure.
It comes after a peer-reviewed research paper in June, on which Irakulis-Loitxate was the lead author, uncovered a massive methane leak last December at the same oil field cluster, Mexico's largest by production volume.
The work is part of a wider study funded by the European Space Agency, in which scientists are working to detect and quantify human-made emissions from space. »
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