Constraints on upward migration of hydraulic fracturing fluid and brine

SA Flewelling, M Sharma - Groundwater, 2014 - Wiley Online Library
Recent increases in the use of hydraulic fracturing (HF) to aid extraction of oil and gas from
black shales have raised concerns regarding potential environmental effects associated with …

Geochemical and isotopic evolution of water produced from Middle Devonian Marcellus shale gas wells, Appalachian basin, Pennsylvania

EL Rowan, MA Engle, TF Kraemer… - Aapg …, 2015 - pubs.geoscienceworld.org
ABSTRACT The number of Marcellus Shale gas wells drilled in the Appalachian basin has
increased rapidly over the past decade, leading to increased interest in the highly saline …

Generalized methods and solvers for noise removal from piecewise constant signals. I. Background theory

MA Little, NS Jones - Proceedings of the Royal Society A …, 2011 - royalsocietypublishing.org
Removing noise from piecewise constant (PWC) signals is a challenging signal processing
problem arising in many practical contexts. For example, in exploration geosciences, noisy …

Utica/Point Pleasant brine isotopic compositions (δ7Li, δ11B, δ138Ba) elucidate mechanisms of lithium enrichment in the Appalachian Basin

B McDevitt, TL Tasker, R Coyte, MS Blondes… - Science of the Total …, 2024 - Elsevier
Global Li production will require a∼ 500% increase to meet 2050 projected energy storage
demands. One potential source is oil and gas wastewater (ie, produced water or brine) …

Proximity of Precambrian basement affects the likelihood of induced seismicity in the Appalachian, Illinois, and Williston Basins, central and eastern United States

RJ Skoumal, MR Brudzinski, BS Currie - Geosphere, 2018 - pubs.geoscienceworld.org
A dramatic seismicity rate increase in the central and eastern United States (CEUS) over the
past decade has been largely associated with the increase in enhanced oil and gas …

Utica shale play oil and gas brines: Geochemistry and factors influencing wastewater management

MS Blondes, JL Shelton, MA Engle… - Environmental …, 2020 - ACS Publications
The Utica and Marcellus Shale Plays in the Appalachian Basin are the fourth and first largest
natural gas producing plays in the United States, respectively. Hydrocarbon production …

Deep injection of waste water in the Western Canada Sedimentary Basin

G Ferguson - Groundwater, 2015 - Wiley Online Library
Injection of wastes into the deep subsurface has become a contentious issue, particularly in
emerging regions of oil and gas production. Experience in other regions suggests that …

Large-scale tectonic controls on the origin of Paleozoic dark-shale source-rock basins: Examples from the Appalachian foreland basin, eastern United States

FR Ettensohn, RT Lierman - 2012 - archives.datapages.com
Recent plays like the Middle Devonian Marcellus Shale and possible prospects like the
Upper Ordovician Utica Shale point out the significance of dark-shale source rocks in the …

Evaluation of CO2 plume migration and storage under dip and sinusoidal structures in geologic formation

WS Han, KY Kim - Journal of Petroleum Science and Engineering, 2018 - Elsevier
A series of numerical simulations were conducted to explore the frontal speed of the CO 2
plume and residence time in the formation preserving the dip** and sinusoidal caprock …

Temperature‐dependent Li isotope ratios in Appalachian Plateau and Gulf Coast Sedimentary Basin saline water

GL Macpherson, RC Capo, BW Stewart, TT Phan… - …, 2014 - Wiley Online Library
Lithium (Li) concentrations of produced water from unconventional (horizontally drilled and
hydraulically fractured shale) and conventional gas wells in Devonian reservoirs in the …