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.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
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.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.
Midstream Williams Partners LP said on Tuesday that it will invest $380 million for new infrastructure for gas and oil producers in the Utica shale in parts of eastern Ohio and western Pennsylvania.
Williams will be part of a joint venture with Caiman Energy II, Williams Partners, EnCap Flatrock Midfstream of San Antonio, Highstar Capital of New York and Caiman management expect to invest a total of $800 million to develop pipelines and processing facilities in the two states.
Earlier this year, Williams Partners spent $2.5 billion to purchase a Caiman subsidiary to give the company a presence in the Marcellus-Utica shale in eastern Ohio, West Virginia and swestern Pennsylvania.
Click here to read the story in the Marcellus Drilling News.