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Directional drilling and hydraulic-fracturing technologies are dramatically increasing natural-gas extraction. In aquifers overlying the Marcellus and Utica shale formations of...
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...
Dataset Size: 1,007.87 KB
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: 6.486 MB
This is an overview of the Marcellus Shale in Pennsylvania, giving the geology for Marcellus.
Dataset Size: 1.959 MB
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: 9.291 MB
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: 1.432 MB
A newly discovered bacterium, Desulfotomaculum auripigmentum, precipitates arsenic trisulfide (As2S3). Precipitation of As2S3 by this organism results from its reduction of...
Dataset Size: 3.111 MB
A quick fact sheet with some data produced by ProChemTech to describe the treatment of Marcellus gas well hydrofracture wastewater disposal.
Dataset Size: 916.38 KB
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: 174.905 KB
At current estimates of recoverable natural gas of more than 489 tcf, the Marcellus Shale is considered to be among the largest natural gas reserves in the world. The...
Dataset Size: 1.817 MB
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: 1.509 MB
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: 720.462 KB
A new method to treat fracture fluids in situ.
Dataset Size: 655.041 KB
A PowerPoint presentation by John A Harper about the Marcellus Shale.
Dataset Size: 69.826 KB
Long term containment of stored CO2 in deep geological reservoirs will depend on the performance of the caprock to prevent the buoyant CO2 from escaping to shallow drinking...
Dataset Size: 4.83 MB
Dataset Size: 2.151 MB