Methane in groundwater before, during, and after hydraulic fracturing of the Marcellus Shale

Surface Casing Pressure As an Indicator of Well Integrity Loss and Stray Gas Migration in the Wattenberg Field, Colorado

(2017) Greg Lackey et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

The geochemistry of naturally occurring methane and saline groundwater in an area of unconventional shale gas development

(2017) Jennifer S. Harkness et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Controls on Methane Occurrences in Shallow Aquifers Overlying the Haynesville Shale Gas Field, East Texas

(2017) Jean-Philippe Nicot et al.   Groundwater

Mobility and persistence of methane in groundwater in a controlled-release field experiment

(2017) Aaron G. Cahill et al.   Nature Geoscience

Hydraulic fracturing near domestic groundwater wells

(2017) Scott Jasechko et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Controls on Methane Occurrences in Shallow Aquifers Overlying the Haynesville Shale Gas Field, East Texas

(2017) Jean-Philippe Nicot et al.   Groundwater

Environmental Factors Associated With Natural Methane Occurrence in the Appalachian Basin

(2016) Lisa J. Molofsky et al.   Groundwater

Searching for anomalous methane in shallow groundwater near shale gas wells

(2016) Zhenhui Li et al.   JOURNAL OF CONTAMINANT HYDROLOGY

Groundwater methane in relation to oil and gas development and shallow coal seams in the Denver-Julesburg Basin of Colorado

(2016) Owen A. Sherwood et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Environmental Factors Associated With Natural Methane Occurrence in the Appalachian Basin

(2016) Lisa J. Molofsky et al.   Groundwater

Establishing baseline water quality for household wells within the Marcellus Shale gas region, Susquehanna County, Pennsylvania, U.S.A.

(2015) Amy L. Rhodes et al.   APPLIED GEOCHEMISTRY

Stream Measurements Locate Thermogenic Methane Fluxes in Groundwater Discharge in an Area of Shale-Gas Development

(2015) Victor M. Heilweil et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Methane Concentrations in Water Wells Unrelated to Proximity to Existing Oil and Gas Wells in Northeastern Pennsylvania

(2015) Donald I. Siegel et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

The evolution of Devonian hydrocarbon gases in shallow aquifers of the northern Appalachian Basin: Insights from integrating noble gas and hydrocarbon geochemistry

(2015) Thomas H. Darrah et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Modeling of Methane Migration in Shallow Aquifers from Shale Gas Well Drilling

(2015) Liwei Zhang et al.   Groundwater

Evaluating a groundwater supply contamination incident attributed to Marcellus Shale gas development

(2015) Garth T. Llewellyn et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Numerical simulation of the environmental impact of hydraulic fracturing of tight/shale gas reservoirs on near-surface groundwater: Background, base cases, shallow reservoirs, short-term gas, and water transport

(2015) Matthew T. Reagan et al.   WATER RESOURCES RESEARCH

Modeling of Methane Migration in Shallow Aquifers from Shale Gas Well Drilling

(2015) Liwei Zhang et al.   Groundwater

Evaluation of Methane Sources in Groundwater in Northeastern Pennsylvania

(2015) Lisa J. Molofsky et al.   Groundwater

A geochemical context for stray gas investigations in the northern Appalachian Basin: Implications of analyses of natural gases from Neogene-through Devonian-age strata

(2014) Fred J. Baldassare et al.   AAPG BULLETIN

Evidence and mechanisms for Appalachian Basin brine migration into shallow aquifers in NE Pennsylvania, USA

(2014) Garth T. Llewellyn   HYDROGEOLOGY JOURNAL

Water resource impacts during unconventional shale gas development: The Pennsylvania experience

(2014) Susan L. Brantley et al.   INTERNATIONAL JOURNAL OF COAL GEOLOGY

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

(2014) A. R. Ingraffea et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

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

(2014) Thomas H. Darrah et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Hydraulic fracture height limits and fault interactions in tight oil and gas formations

(2013) Samuel A. Flewelling et al.   GEOPHYSICAL RESEARCH LETTERS

Migration of High-Pressure Air during Gas Well Drilling in the Appalachian Basin

(2013) Xiaolong Geng et al.   JOURNAL OF ENVIRONMENTAL ENGINEERING

Increased stray gas abundance in a subset of drinking water wells near Marcellus shale gas extraction

(2013) R. B. Jackson et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Impact of Shale Gas Development on Regional Water Quality

(2013) R. D. Vidic et al.   SCIENCE

Carbon and hydrogen isotopic evidence for the origin of combustible gases in water-supply wells in north-central Pennsylvania

(2012) Kinga M. Révész et al.   APPLIED GEOCHEMISTRY

Geochemical and Strontium Isotope Characterization of Produced Waters from Marcellus Shale Natural Gas Extraction

(2012) Elizabeth C. Chapman et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Geochemical evidence for possible natural migration of Marcellus Formation brine to shallow aquifers in Pennsylvania

(2012) Nathaniel R. Warner et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Lack of data to support a relationship between methane contamination of drinking water wells and hydraulic fracturing

(2011) T. Saba et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Methane contamination of drinking water accompanying gas-well drilling and hydraulic fracturing

(2011) S. G. Osborn et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Chemical and isotopic tracers of the contribution of microbial gas in Devonian organic-rich shales and reservoir sandstones, northern Appalachian Basin

(2010) Stephen G. Osborn et al.   APPLIED GEOCHEMISTRY