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UGR: Large Scale Foam Fracturing in the Devonian Shale-A Field Demonstration...
A paper discussing the results of a hydraulic fracturing operation. From the paper: "This report describes a large-scale foam fracturing operation performed on a Devonian Shale... -
UGR: Devonian Shale Gas
Paper discussing research into Devonian shale gas reserves as a viable energy pursuit. From the paper: "To help meet the increasing demand for natural gas, the U.S. Department... -
Pennsylvania Spatial Data: Devonian Siltstone Shale Assessment Unit
From the site: "The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit...