Sentences with phrase «of fugitive gas»

The paper, Noble gases identify the mechanisms of fugitive gas contamination in drinking - water wells overlying the Marcellus and Barnett Shales, was published in the Proceedings of the National Academy of Sciences (PNAS)

Not exact matches

And it remains to be seen whether natural gas delivers environmental benefits — such as reduced emissions of carbon dioxide when burned — given that it in itself is a potent greenhouse gas if it escapes during drilling or pipeline operations, so - called fugitive emissions.
Banks suggests that reconciling those rights agreements could lead to a shift in the way coal mining companies view methane gas, treating it as a potential source of revenue rather than a fugitive gas to be dealt with as a safety or environmental concern.
«The very limited current data on fugitive methane leakage also suggests that a relatively small number of oil and gas operations may be responsible for a large fraction of the methane leakage,» he said.
«It is quite possible to produce natural gas with minimal «fugitive» emissions,» says Mark Brownstein of the EDF.
He estimates that fugitive emissions are only 10 percent of what Howarth and Ingraffea maintain, and that shale gas would indeed be a good replacement for home heating oil and for coal used in power plants.
The mega-leak has drawn attention to the broader problem of fugitive emissions from natural gas production, processing, pipeline and storage infrastructure across the country.
These include increased use of renewable natural gas, reduced fugitive methane emissions, less need for synthetic fertilizers, and increased land restoration.
But a study published Monday adds to the growing evidence those escaping gases, called «fugitive» emissions, are numerous, especially methane emissions while a well is being drilled, a phase of well development previously thought to emit little if any methane.
Fugitive methane emissions from distribution mains account for 32 percent of methane emissions from the U.S. natural gas distribution sector.
The real problem in weighing fugitive emissions from gas and oil wells and pipelines is that there is simply no reliable source of data — at all.
The Environmental Protection Agency issued its latest report on the Methane to Markets program intended to encourage industries to capture «fugitive» emissions of the one heat - trapping greenhouse gas that is a valuable fuel, methane.
I encourage folks to look back at the piece I did on this arena in 2009, in which the formal Environmental Protection Agency estimate of leaks from gas and oil operates jumped tenfold (with hints from officials that such «fugitive» emissions could be a hundredfold higher).
June 1, 2015 Commissioner Workshop, in Support of the AB 1257 Report, on Fugitive Methane Emissions in California's Natural Gas System
Also, if fugitive methane emissions exceed 3 percent of total gas production, natural gas's climate advantage over coal disappears over a 20 - year time horizon.
The other major uncertainty surrounding the environmental impact of natural gas is the effect of methane leakages, or «fugitive methane emissions» along the delivery chain.
«[Howarth et al.'s] analysis is seriously flawed in that they significantly overestimate the fugitive emissions associated with unconventional gas extraction, undervalue the contribution of «green technologies» to reducing those emissions to a level approaching that of conventional gas, base their comparison between gas and coal on heat rather than electricity generation (almost the sole use of coal), and assume a time interval over which to compute the relative climate impact of gas compared to coal that does not capture the contrast between the long residence time of CO2 and the short residence time of methane in the atmosphere.»
The greenhouse gas inventory it filed with the UN suggests fugitive emissions from the oil and gas sector made up a third of its total footprint in 2014.
The left party also says they'll freeze it, but they'll expand the based of coverage to include fugitive natural gas emissions (a crucial omission in the original tax proposal).
Stronger state and federal laws and regulations are also needed, however, for monitoring, evaluating, and mitigating the fugitive methane emissions associated with the production and distribution of natural gas.
Fugitive emissions: Unintended leaks of gas from the processing, transmission, and / or transportation of fossil fuels.
A lot of this pollution was «fugitive» emissions — leaks from valves, flanges, tiny holes in pipes, and incomplete combustion of waste gasses in the plants» flares.
The campus greenhouse gas reduction plan outlined in the report centers on four key approaches: reducing the overall energy use on campus, reducing the use of fossil fuels in campus buildings and vehicles, increasing the use of renewable energy sources to meet campus needs, and minimizing the release of «fugitive» gases from campus operations such as specialty research gases in laboratory buildings.
Expanding the carbon tax to include all greenhouse gas emissions generated in B.C., or capturing these «fugitive» industrial emissions as part of a future cap and trade system.
Now they have spotted something else from space: large plumes of fugitive methane gas liberated from these formations by unconventional extraction methods like horizontal drilling and hydraulic fracturing.
But SoCal Gas is under no such obligation, because the Porter Ranch plume is comprised of «fugitive emissions», which are «those emissions which are unintentional and could not reasonably pass through a stack, chimney, vent, or other functionally - equivalent opening,» according to the California Air Resources Board (CARB), which oversees the state's cap - and - trade system.
Industrial Processes By - product or fugitive emissions of greenhouse gases from industrial processes.
It's well documented that fracking to produce shale gas generates fugitive methane, which is the main component of natural gas.
Yes I can say Muller misstated the difference in emissions between coal, oil and gas, because the other components of life cycle emissions (such as the fugitive emissions you referred to) are small compared with emissions from fuel combustion.
A carbon tax could come back to bite natural gas producers big time if the EPA decides, along the lines of Cornell University research, that fugitive methane emissions from hydraulic fracturing make natural gas as carbon - intensive as coal.
«Fugitive emissions are on the run in the U.S. — regulators, investors and industry leaders are all out to ensure gas can demonstrate it has a climate advantage over coal,» said Anthony Hobley, CEO of Carbon Tracker.
It can deliver better outcomes than coal, but gas must continue to work on reducing its fugitive emissions and there is a possibility that if it reaches too large a share of the energy mix then in the longer run this could still be incompatible with a 2 ⁰ C outcome»
Industry, with the full support of the administration, continues the fait accompli of radically expanded natural gas fracking across the country, with serious unresolved issues about fugitive atmospheric methane emissions and the potential for contamination of drinking water aquifers — and with no adequate federal regulatory structure in place.
A University of Texas study from last year — sponsored by the Environmental Defense Fund and the oil and natural gas industry — put fugitive methane emissions at 0.42 percent of total production.
Most of our venting and fugitive emissions are methane, which represent approximately 6 percent of our direct greenhouse gas emissions.
Discusses and quantifies energy - related emissions of all greenhouse gases resulting from stationary and mobile source activities, including fuel combustion and fugitive fuel emissions.
Many have voiced concerns that fugitive methane leakage from natural gas production diminishes the climate benefit of switching from coal to natural gas.
And it is true that over the short term, fugitive methane emissions have the potential to erode most or all of the CO2 emissions benefit resulting from switching from coal to gas.
Bringing that methane to market along with the natural gas being produced leads to a «strikingly lower» estimate of so - called fugitive emissions.
The scientists blamed «fugitive» methane emissions said to escape during the recovery of natural gas.
The analysis also included calculations of a producer's direct emissions via flaring and venting processes, emissions from entities using their own fuel, and fugitive emissions of methane from oil and gas operations and coal mining.
Present measurement and accounting of fugitive emissions of methane from unconventional gas extraction is inadequate.
The tar sands in Canada are an environmental disaster in other ways, but the incremental emissions of greenhouse gases are small compared to the far greater threat of massive coal expansion in China, or potential fugitive emission of methane from fracking, or massive deforestation in Indonesia and Latin America, or any number of other major sources of greenhouse gases.
Fugitive methane emissions occur at every stage of the natural gas life cycle; however, the total amount of leakage is unclear.
The worksheets available below constitute the details each entity's production of oil & NGLs, natural gas, coal, and cement from as early as 1854 to 2010, as well as additional sources of emissions (such as vented CO2, flared CO2, own fuel use, and vented or fugitive methane), non-energy uses of oil, gas, and coal, emission factors for each fuel, calculation of emissions attributed to each Carbon Major producer, and several summary worksheets by fuel and for cumulative emissions by all entities.
Fugitive methane emissions from natural gas systems represent a significant source of global warming pollution in the U.S. Reductions in methane emissions are urgently needed as part of the broader effort to slow the rate of global temperature rise.
Recent standards from the Environmental Protection Agency (EPA) will substantially reduce leakage from natural gas systems, but to help slow the rate of global warming and improve air quality, further action by states and EPA should directly address fugitive methane from new and existing wells and equipment.
A new study in the Proceedings of the National Academy of Sciences sheds light on a question that continues to vex industry executives and policymakers alike: How significant are fugitive methane emissions from oil and gas production?
a b c d e f g h i j k l m n o p q r s t u v w x y z