Sentences with phrase «ethane emissions»

fracking, natural gas production, ethane emissions, global warming, climate change, air pollution, environment

Wwhat caused global ethane emissions to rise between 2009 and 2014, after a significant decline prior to 2009?

Global methane and ethane emissions from oil production from 1980 to 2012 were far higher than previous estimates show, according to a new study which for the first time takes into account different production management systems and geological conditions around the world.

Not exact matches

In the new paper, published in the journal Environmental Research Letters, Höglund - Isaksson estimated global methane emissions from oil and gas systems in over 100 countries over a 32 - year period, using a variety of country - specific data ranging from reported volumes of associated gas to satellite imagery that can show flaring, as well as atmospheric measurements of ethane, a gas which is released along with methane and easier to link more directly to oil and gas activities.

What they found in the skies over the Bakken that May was the equivalent of 1 to 3 percent of the world's estimated emissions of ethane floating over a relatively tiny place.

Using ethane as a tracer for fugitive methane emissions, his team found two high - emitting sites in the central United States.

[M] ethane doesn't need to be an emission or a waste.

Using correlations between concentrations of CH4 and carbon monoxide (CO) we estimated total emissions of 30.8 Tg CH4 during the 2008 monsoon season (June — September), 19.7 Tg of which were identified as additional, monsoon - related biogenic methane using the relationship of CH4 to ethane (C2H6).

«Recent data from NSF - funded research in both Greenland and Antarctica demonstrate that fossil - fuel related emissions of both methane and ethane, two of the most abundant hydrocarbons in the atmosphere, declined at the end of the twentieth century... causes of the decline in methane emission rates to the atmosphere have been puzzling scientists for some time.

For example, Chevron Phillips, which reported one of the largest chemical emissions «spills» after Hurricane Harvey, is building a $ 6 billion ethane processor in the Gulf region.

Simultaneous observations of atmospheric ethane, compared with the ethane - to - methane ratio in the pipeline gas delivered to the region, demonstrate that natural gas accounted for ∼ 60 — 100 % of methane emissions, depending on season.

They attribute it to reduced emissions of methane and ethane from fossil fuel since the 1980s.

Emissions of ethane and propane have traditionally been underestimated by more than 50 % in national emission inventories, and revision is needed, according to new research.