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Petroleum geology and geochemistry of the Council Run gas field, north...
The Council Run field of north central Pennsylvania is one of the most productive natural gas fields in the central Appalachian basin. The field is enigmatic because of its... -
CHEMISTRY AND ORIGIN OF OIL AND GAS WELL BRINES IN WESTERN PENNSYLVANIA
Brines having moderate to high salt content (up to 343 grams per liter [g/L]) occupy most pore spaces in rocks below a depth of a few thousand feet in Pennsylvania and are... -
Natural Gas Plays in the Marcellus Shale: Challenges and Potential Opportunities
Natural Gas Plays in the Marcellus Shale: Challenges and Potential Opportunities The U.S. has abundant natural gas resources within the Barnett Shale, Haynesville/Bossier Shale,... -
Marcellus Gas Well Hydrofracture Wastewater Disposal by Recycle Treatment Process
A quick fact sheet with some data produced by ProChemTech to describe the treatment of Marcellus gas well hydrofracture wastewater disposal. -
Biofilm Remediation of Fracture Fluids Patent
A new method to treat fracture fluids in situ. -
Probing Influence of Reactions between Fracture Fluids and Marcellus Shale
In this study we investigated Marcellus Shale metal extractability, and reactivity with fracturing fluids, through bulk extractions and experiments in high-pressure, high-... -
Precipitation of Arsenic Trisulfide by Desulfotomaculum auripigmentum
A newly discovered bacterium, Desulfotomaculum auripigmentum, precipitates arsenic trisulfide (As2S3). Precipitation of As2S3 by this organism results from its reduction of... -
Baseline Groundwater Quality from 20 Domestic Wells in Sullivan County,...
A USGS study setting a basline for groundwater measures in Sullivan County, Pennsylvania. -
Cleavage Duplexes in the Marcellus Shale of the Appalachian Foreland
Cleavage duplexes are zones of platy, spaced cleavage, that either parallel bedding or ramp through shale sections. Examples are 2-60 m thick. The cleavage within the zones is... -
Arsenic Metabolism in Prokaryotic and Eukaryotic Microbes
This chapter will focus on recent progress on the mechanisms of metalloid uptake, metabolism, and detoxification in bacteria, archaea, and eukaryotic microbes. -
Marcellus Shale: Cementing and Well Casing Violations
Natural gas extracted from shale formations is one of the fastest growing sources of energy in the United States. Our IQP analyzes public data regarding regulatory violations... -
Regional Stratigraphy and Petroleum Systems of the Appalachian Basin, North Amerca
A stratigraphic column, broken down by region, of the Appalachian Basin. -
Fact-Based Regulation for Environmental Protection in Shale Gas Development
The discovery of large reserves of natural gas in shale formations – shale gas – has been a major positive development for the energy picture of the US and the world. Yet a... -
Methane in West Virginia Ground Water
Methane has been found as a dissolved gas in numerous ground-water samples from water wells in West Virginia. Methane (CH4) is a colorless, odorless, tasteless gas that can... -
Radioactivity in Marcellus Shale
A study of the radioactivity of materials related to Marcellus Shale Hydraulic Fracturing gas extraction. -
The Marcellus Shale Play in Pennsylvannia: Basic Geology
This is an overview of the Marcellus Shale in Pennsylvania, giving the geology for Marcellus. -
The Modern Marcellus Shale Play, The Marcellus Shale Play in Pennsylvania
A PowerPoint presentation by John A Harper about the Marcellus Shale. -
Drilling and Completion: The Marcellus Shale Play in Pennsylvania
A PowerPoint by John A Harper and Jaime Kostelnick depicting the drilling and completion stages of hydraulic fracturing. -
Dissolved Methane in New York Groundwater
New York State is underlain by numerous bedrock formations of Cambrian to Devonian age that produce natural gas and to a lesser extent oil. This USGS Open-File report examines... -
Methane contamination of drinking water accompanying gas-well drilling and...
Directional drilling and hydraulic-fracturing technologies are dramatically increasing natural-gas extraction. In aquifers overlying the Marcellus and Utica shale formations of...