[HTML][HTML] Application of organic petrography in North American shale petroleum systems: A review

PC Hackley, BJ Cardott - International Journal of Coal Geology, 2016 - Elsevier
Organic petrography via incident light microscopy has broad application to shale petroleum
systems, including delineation of thermal maturity windows and determination of organo …

[HTML][HTML] A review of Pakistani shales for shale gas exploration and comparison to North American shale plays

GM Sohail, AE Radwan, M Mahmoud - Energy Reports, 2022 - Elsevier
Recent advancements in technologies to produce natural gas from shales at economic rates
has revealed new horizons for hydrocarbon exploration and development worldwide. The …

Geochemistry of shale gases from around the world: Composition, origins, isotope reversals and rollovers, and implications for the exploration of shale plays

AV Milkov, M Faiz, G Etiope - Organic Geochemistry, 2020 - Elsevier
We studied a large dataset of∼ 2600 shale gas samples from 76 geological formations in 38
sedimentary basins located in eleven countries. Shale gases contain mostly hydrocarbons …

Beyond redox: Control of trace-metal enrichment in anoxic marine facies by watermass chemistry and sedimentation rate

J Liu, TJ Algeo - Geochimica et Cosmochimica Acta, 2020 - Elsevier
Although redox conditions are the dominant control on authigenic enrichment of trace metals
in marine sediments, other factors may be important within environments having relatively …

Geochemical evolution of produced waters from hydraulic fracturing of the Marcellus Shale, northern Appalachian Basin: A multivariate compositional data analysis …

MA Engle, EL Rowan - International Journal of Coal Geology, 2014 - Elsevier
Multivariate compositional data analysis methods were used to investigate geochemical
data for water injected during hydraulic fracturing and for water produced from 19 Marcellus …

Geochemical and hydrographic evolution of the Late Devonian Appalachian Seaway: linking sedimentation, redox, and salinity across time and space

GJ Gilleaudeau, W Wei, MN Remírez… - Geochemistry …, 2023 - Wiley Online Library
Continental interiors were flooded by epeiric seas during many intervals of the geologic
past. Few modern analogs exist for these environments, however, and basic variables such …

Molecular characterization of kerogen and its implications for determining hydrocarbon potential, organic matter sources and thermal maturity in Marcellus Shale

V Agrawal, S Sharma - Fuel, 2018 - Elsevier
Organic-rich shales are a vital component of the US energy sector. Kerogen, a high
molecular weight macromolecule is the largest reservoir of organic carbon on earth and …

[HTML][HTML] Organic petrology and micro-spectroscopy of Tasmanites microfossils: applications to kerogen transformations in the early oil window

PC Hackley, CC Walters, SR Kelemen, M Mastalerz… - Organic …, 2017 - Elsevier
The transformation of kerogen to hydrocarbons in the early stages of oil generation is critical
for understanding the resource potential of liquid-rich shale plays. Organic petrology …

Application of Raman spectroscopy as thermal maturity probe in shale petroleum systems: insights from natural and artificial maturation series

PC Hackley, NK Lünsdorf - Energy & Fuels, 2018 - ACS Publications
Raman spectroscopy was studied as a thermal maturity probe in a series of Upper Devonian
Ohio Shale samples from the Appalachian Basin spanning from immature to dry gas …

Extraction of hydrocarbons from high-maturity Marcellus shale using supercritical carbon dioxide

PJ Jarboe, PA Candela, W Zhu, AJ Kaufman - Energy & Fuels, 2015 - ACS Publications
Shale is now commonly exploited as a hydrocarbon resource. Due to the high degree of
geochemical and petrophysical heterogeneity both between shale reservoirs and within a …