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Ohio Utica Shale

Pennsylvania has 9,848 Marcellus shale wells

By Bob Downing Published: May 29, 2012

It took more than 10 months for the Carnegie Museum of Natural History to determine how many Marcellus shale natural gas wells exist in Pennsylvania.

The answer: 9,848, according to the museum's Powdermill Nature Reserve.

Of that total, 6,391 are either drilled and/or producing.

There are an additional 2,457 active permits that could eventually be drilled.

Another 349 wells have either been abandoned, plugged, declared inactive, shut down or their status is unknown.

The total is since 2000.

The list is believed to the first comprehensive list of wells in Pennsylvania.

The state's records kept by the Department of Environmental Protection are incomplete and contain errors because of the rush to drill in the last four years, officials said.

The state said it may study the database to correct errors in its records.

The public may be able to access the Powdermill's new database by late June or early July.

Right now, it is only open researchers and government officials.

The research project got under way after a museum intern inquired as to how many Marcellus wells existed in Pennsylvania.

 

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Utica and Marcellus shale web sites

Ohio Department of Natural Resources' Division of Oil and Gas Resources Management State agency Web site.

ODNR Division of Oil and Gas Resources Management. State drilling permits. List is updated weekly.

ODNR Division of Geological Survey.

Ohio Environmental Protection Agency.

Ohio State University Extension.

Ohio Farm Bureau.

Ohio Oil and Gas Association, a Granville-based group that represents 1,500 Ohio energy-related companies.

Ohio Oil & Gas Energy Education Program.

Energy In Depth, a trade group.

Marcellus and Utica Shale Resource Center by Ohio law firm Bricker & Eckler.

Utica Shale, a compilation of Utica shale activities.

Landman Report Card, a site that looks at companies involved in gas and oil leases.FracFocus, a compilation of chemicals used in fracking individual wells as reported voluntarily by some drillers.

Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.

Rig Count Interactive Map by Baker Hughes, an energy services company.

Shale Sheet Fracking, a Youngstown Vindicator blog.

National Geographic's The Great Shale Rush.

The Ohio Environmental Council, a statewide eco-group based in Columbus.

Buckeye Forest Council.

Earthjustice, a national eco-group.

Stop Fracking Ohio.

People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.

Concerned Citizens of Medina County, a grass-roots group.

No Frack Ohio, a Columbus-based grass-roots group.

Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.

Penn State Marcellus Center.

Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.

Allegheny Front, environmental public radio for Western Pennsylvania.