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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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To gain a better understanding of the potential U.S. domestic shale gas and shale oil resources, EIA commissioned INTEK, Inc. to develop an assessment of onshore Lower 48 States...
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Dataset Size: 9.064 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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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 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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A stratigraphic column, broken down by region, of the Appalachian Basin.
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Dataset Size: 362.347 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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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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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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