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.
From the Pittsburgh Post-Gazette:
A Fort Worth-based oil and gas company has purchased an Ohio well-services company to expand its operations in the Marcellus shale.
FTS International, formerly known as Frac Tech, has purchased Phoenix Well Services LLC, described as a perforating and completion company based in Burbank on the Medina-Wayne county line.
Terms of the sale were not disclosed.
FTS International purchased the Ohio firm from a company controlled by Palm Ventures LLC, a Connecticut-based investment firm.