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The Expanding Role of the Geologist in the Estimation of Resources/Reserves i...
Resource and reserves estimation methodology for conventional oil and gas reservoirs is based in large part on the historic precedent of geologic and engineering evaluation over...-
Dataset Size: 2.592 MB
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Increased stray gas abundance in subset of drinking water wells near Marcellu...
Increased stray gas abundance in a subset of drinking water wells near Marcellus shale gas extraction Horizontal drilling and hydraulic fracturing are transforming energy...-
Dataset Size: 1.817 MB
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Geochemical context for gas investigations App. Basin. Gases from Neogene-Dev...
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...-
Dataset Size: 1.959 MB
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Methane contamination of drinking water accompanying gas-well drilling and hy...
Directional drilling and hydraulic-fracturing technologies are dramatically increasing natural-gas extraction. In aquifers overlying the Marcellus and Utica shale formations of...-
Dataset Size: 1,007.87 KB
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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,...-
Dataset Size: 3.565 MB
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The Modern Marcellus Shale Play, The Marcellus Shale Play in Pennsylvania
A PowerPoint presentation by John A Harper about the Marcellus Shale.-
Dataset Size: 4.83 MB
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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...-
Dataset Size: 1.432 MB
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Water Pollution Risk Associated with Natural Gas Extraction from the Marcellu...
In recent years, shale gas formations have become economically viable through the use of horizontal drilling and hydraulic fracturing. These techniques carry potential...-
Dataset Size: 738.933 KB
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Baseline Groundwater Quality from 20 Domestic Wells in Sullivan County, Penns...
A USGS study setting a basline for groundwater measures in Sullivan County, Pennsylvania.-
Dataset Size: 2.938 MB
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NETL
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,...-
Dataset Size: 6.65 MB
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Petroleum geology and geochemistry of the Council Run gas field, north centra...
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...-
Dataset Size: 2.617 MB
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NETL
Shale Gas Basins of North America
The unconventional hydrocarbon resources map of North America provides an overview of major sedimentary basins, plays and active production areas that are targets of gas and...-
Dataset Size: 0 bytes
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Regional Stratigraphy and Petroleum Systems of the Appalachian Basin, North A...
A stratigraphic column, broken down by region, of the Appalachian Basin.-
Dataset Size: 362.347 KB
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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...-
Dataset Size: 655.041 KB
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Review of Emerging Resources: U.S. Gas and Shale Oil Plays
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...-
Dataset Size: 9.064 MB
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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.-
Dataset Size: 8.099 MB
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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...-
Dataset Size: 3.111 MB
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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...-
Dataset Size: 455.777 KB
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The Marcellus Shale Play in Pennsylvannia: Basic Geology
This is an overview of the Marcellus Shale in Pennsylvania, giving the geology for Marcellus.-
Dataset Size: 9.291 MB
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Geochemical evaluation of flowback brine from Marcellus gas wells in Pennsylv...
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...-
Dataset Size: 720.462 KB
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