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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
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: 1.959 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 quick fact sheet with some data produced by ProChemTech to describe the treatment of Marcellus gas well hydrofracture wastewater disposal.
Dataset Size: 3.111 MB
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
Two well-known methods of iron removal were tried to see their effectiveness in removing arsenic. One of these was in-situ sedimentation and the other was conventional iron...
Dataset Size: 1.509 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: 45.56 KB
A PowerPoint by John A Harper and Jaime Kostelnick depicting the drilling and completion stages of hydraulic fracturing.
Dataset Size: 720.462 KB
NETLExcel files and PDFs containing brine sampling data with information on total dissolved solids, anion analysis, and pH for monitoring wells.
Dataset Size: 8.099 MB
A PowerPoint presentation by John A Harper about the Marcellus Shale.
Dataset Size: 173.026 KB
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: 4.83 MB
Dataset Size: 455.777 KB