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Large quantities of highly saline brine flow from gas wells in the Marcellus Formation after hydraulic stimulation (‘‘fracking’’). This study assesses the composition of these...
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Dataset Size: 720.462 KB
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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...
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Dataset Size: 6.486 MB
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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...
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Dataset Size: 789.855 KB
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A PowerPoint by John A Harper and Jaime Kostelnick depicting the drilling and completion stages of hydraulic fracturing.
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Dataset Size: 8.099 MB
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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...
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Dataset Size: 3.111 MB
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In the last decade, hydraulic fracturing and other new drilling technologies have turned North Texas into the leading shale gas-producing area in the country. But the drilling...
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Dataset Size: 1.255 MB
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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...
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Dataset Size: 455.777 KB
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This is an overview of the Marcellus Shale in Pennsylvania, giving the geology for Marcellus.
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Dataset Size: 9.291 MB
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A stratigraphic column, broken down by region, of the Appalachian Basin.
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Dataset Size: 362.347 KB
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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...
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Dataset Size: 655.041 KB
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NETLIn this study we investigated Marcellus Shale metal extractability, and reactivity with fracturing fluids, through bulk extractions and experiments in high-pressure,...
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Dataset Size: 6.65 MB
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A USGS study setting a basline for groundwater measures in Sullivan County, Pennsylvania.
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Dataset Size: 2.938 MB
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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...
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Dataset Size: 2.617 MB
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In recent years, shale gas formations have become economically viable through the use of horizontal drilling and hydraulic fracturing. These techniques carry potential...
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Dataset Size: 738.933 KB
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A PowerPoint presentation by John A Harper about the Marcellus Shale.
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Dataset Size: 4.83 MB
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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...
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Dataset Size: 1.432 MB
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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,...
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Dataset Size: 3.565 MB
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A quick fact sheet with some data produced by ProChemTech to describe the treatment of Marcellus gas well hydrofracture wastewater disposal.
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Dataset Size: 174.905 KB
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Increased stray gas abundance in a subset of drinking water wells near Marcellus shale gas extraction Horizontal drilling and hydraulic fracturing are transforming energy...
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Dataset Size: 1.817 MB
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A geochemical context for stray gas investigations in the northern Appalachian Basin: Implications of analyses of natural gases from Neogene-through Devonian-age strata As the...
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Dataset Size: 1.959 MB
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