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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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No data is present. This is Powerpoint presentation provides background information on shale gas reservoirs.
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Dataset Size: 2.814 MB
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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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Geochemical signatures of black shales deposited during Oceanic Anoxic Event 2 (Cenomanian/Turonian) in the tropical Atlantic (Demerara Rise, ODP Leg 207) and in northern...
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Dataset Size: 7.41 MB
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The speciation of arsenic in the environment is controlled by reduction, methylation, and oxidation processes and is therefore influenced by redox conditions. However, in the...
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Dataset Size: 1.099 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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This experimental study focuses on the breakdown of biocides used in water treatment.
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Dataset Size: 1.927 MB
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Radium activity data for waters co-produced with oil and gas in New York and Pennsylvania have been compiled from publicly available sources and are presented together with new...
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Dataset Size: 1.087 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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A quick summary about the recycling of hydraulic fracturing fluids.
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Dataset Size: 810.384 KB
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A manual for X-Ray Powder Diffraction preparation and analysis from the USGS.
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Dataset Size: 3.097 MB
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