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Peer Reviewed

New Tracers Identify Hydraulic Fracturing Fluids and Accidental Releases from Oil and Gas Operations

Environ Sci Technol
20 Oct 2014
N. R. Warner, T. H. Darrah, R. B. Jackson, R. Millot, W. Kloppmann, and A. Vengosh
Researchers discover a way to determine if water contamination is due to frac water
Open Access
Peer Reviewed

Volatile organic compound emissions from the oil and natural gas industry in the Uintah Basin, Utah: oil and gas well pad emissions compared to ambient air composition

Atmos Chem Phys
17 Oct 2014
C. Warneke, F. Geiger, P. M. Edwards, W. Dube, G. Pétron, J. Kofler, A. Zahn, S. S. Brown, M. Graus, J. B. Gilman, B. M. Lerner, J. Peischl, T. B. Ryerson, J. A. de Gouw, and J. M. Roberts
Study presents some of the first air "measurements using fast-response VOC instruments to look at individual gas and oil well pads and other point sources associated with oil and natural gas production"
Open Access

Noble gases identify the mechanisms of fugitive gas contamination in drinking water wells overlying the Marcellus and Barnett Shales

Thomas H. Darrah, Avner Vengosh, Robert B. Jackson, Nathaniel R. Warner, and Robert J. Poreda
Researchers examine hydrocarbon abundance and isotopic compositions to assess whether elevated levels of hydrocarbon gas in drinking water aquifers near gas wells are natural or anthropogenic, and the mechanisms of fugitive gas contamination.
Peer Reviewed

Enhanced Formation of Disinfection Byproducts in Shale Gas Wastewater-Impacted Drinking Water Supplies

Environ Sci Technol
09 Sep 2014
Kimberly M. Parker, Teng Zeng, Jennifer Harkness, Avner Vengosh, and William A. Mitch
Open Access
Peer Reviewed

Remote sensing of fugitive methane emissions from oil and gas production in North American tight geologic formations

04 Sep 2014
Oliver Schneising, John P. Burrows, Russell R. Dickerson, Michael Buchwitz, Maximilian Reuter, and Heinrich Bovensmann
Researchers use satellite data to quantify methane emissions from the Bakken, Eagle Ford, and Marcellus basins (USA).
Open Access
Peer Reviewed

The Environmental Costs and Benefits of Fracking

Annual Reviews
09 Aug 2014
Robert B. Jackson, Avner Vengosh, J. William Carey, Richard J. Davies, Thomas H. Darrah, Francis O'Sullivan, and Gabrielle Pétron
A comprehensive review of the environmental consequences of unconventional energy extraction and hydraulic fracturing, including production estimates, water intensity, issues of well integrity and potential leakage of chemicals, brines, or gases, water quality, the potential for induced seismicity and the life-cycle emissions of hydrocarbons.
Open Access
Peer Reviewed

Assessment and risk analysis of casing and cement impairment in oil and gas wells in Pennsylvania, 2000–2012

30 Jun 2014
Anthony R. Ingraffea, Martin T. Wells, Renee L. Santoro, and Seth B. C. Shonkoff
Previous research has demonstrated that proximity to unconventional gas development is associated with elevated concentrations of methane in groundwater aquifers in Pennsylvania. To date, the mechanism of this migration is poorly understood. Our study, which looks at more than 41,000 conventional and unconventional oil and gas wells, helps to explain one possible mechanism of methane migration: compromised structural integrity of casing and cement in oil and gas wells. Additionally, methane, being the primary constituent of natural gas, is a strong greenhouse gas. The identification of mechanisms through which methane may migrate to the atmosphere as fugitive emissions is important to understand the climate dimensions of oil and gas development.
Peer Reviewed

A new look at methane and non-methane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin

Journal of Geophysical Research - Atmospheres
08 May 2014
Gabrielle Pétron, Anna Karion, Colm Sweeney, Benjamin R. Miller, Stephen A. Montzka, Gregory Frost, Michael Trainer, Pieter Tans, Arlyn Andrews, Jonathan Kofler, Detlev Helmig, Douglas Guenther, Ed Dlugokencky, Patricia Lang, Tim Newberger, Sonja Wolter,
The study revisits the estimates of hydrocarbon emissions from an oil and gas basin using airborne measurements and finds that inventories underestimate hydrocarbon emissions in the basin by a factor of 2 or more.
Peer Reviewed

Spatially Explicit Methane Emissions from Petroleum Production and the Natural Gas System in California

Environmental Science & Technology
23 Apr 2014
Seongeun Jeong,* Dev Millstein, and Marc L. Fischer
This study presents a spatially-resolved methane inventory for the state of California based on EPA emission factors and compares the estimated emissions to atmospheric measurements. The study finds that the EPA's methane emission estimates for natural gas transmission and distribution are too low by a factor of 2.
Open Access
Peer Reviewed

Public Health England’s draft report on shale gas extraction

British Medical Journal
17 Apr 2014
Adam Law, Jake Hays, Seth B. Shonkoff, Madelon L. Finkel
This editorial critique argues for an emphasis on actual practices rather than best practices in public health assessments.
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