Data driven discussions about gas extraction and related topics.

Air emissions from drilling rig

The Environmental Impacts of Shale Gas Extraction

By John Stolz, PhD – Duquesne University, Department of Biological Sciences The Marcellus Shale represents one of the largest reservoirs of unconventional natural gas in the world.It holds the potential, like other gas and oil reserves, to provide a source of energy and jobs for Maryland. It’s extraction, however, is non-trivial and if done without […]

Updated Pennsylvania Marcellus Shale Production Information

Updated Marcellus Shale well production data for the period between July 1, 2010 and December 31, 2010 is now available on the DEP website and FracTracker’s DataTool. This data is self-reported by the drilling operators, and includes production in the following categories: Natural Gas: Production in thousands of cubic feet (Mcf) Condensate: Production in barrels […]

PA Fish and Boat Commission Targets Gas Extraction as Resource Threat

Wastewater Facilities Accepting Marcellus Shale Brine and Major Drainage Basins. Click the map for a larger, dynamic view. By Conrad Dan Volz, DrPH, MPH. Director and Principal Investigator of the Center for Healthy Environments and Communities Management Plans by the Pennsylvania Fish and Boat Commission (PFBC) have been released for public comment for the 3 […]

Pennsylvania’s DCNR Shale Thickness Datasets Added to DataTool

Three Belt Thickness of Devonian Black Shales. Click image for a larger dynamic view. Three datasets from the Pennsylvania Department of Conservation and Natural Resources (DCNR) have been added to FracTracker’s DataTool.  Each dataset indicates the thickness of a major carbon-rich black shale layer from the Devonian Period in Pennsylvania, including the Marcellus, Rhinestreet, and […]

Total Petroleum Systems in the Appalachian Basin; Definitions, Datasets and Snapshots

  Stakeholder Awareness and Knowledge are Prerequisites for Informed Decision-Making Regarding Oil and Gas Extraction By Conrad Dan Volz, DrPH, MPH Our New York consultant, Karen Edelstein, has recently put onto FracTracker’s DataTool a number ofdatasets regarding other potential oil and gas source rocks and formations in the AppalachianBasin. Most of the formations on which […]

Oil, Natural Gas, and Natural Gas Fluids Drilling and Production in the Inland United States Waters of the Great Lakes?

  By: C. D. Volz, DrPH, MPH Director and Principal Investigator of the Center for Healthy Environments and Communities Is it possible that there will, in the future, be offshore oil and gas platforms in the Great Lakes regions of the United States? The answer is that it has already occurred in Lake Michigan and […]