1. Gulfport Energy Corp. has drilled its longest lateral ever in eastern Ohio.
The Stutzman well in Belmont County's Somerset Township extends 8,634 feet.
The well is also 9,020 vertical feet.
The Oklahoma-based energy company says it is a big proponent of long laterals and shorter frack intervals to boost production.
It has 12 wells drilled in Ohio and two more in the works this year.
It has the three most-productive Utica shale wells in Ohio.
2. Chesapeake Energy Corp. reports that is had reduced the number of drilling rigs operating in 2012.
The rigs have dropped to 89 at the end of September, from 165 in January.
That is largely due to the low prices for natural gas and the company's switch to liquid-rich areas like Ohio's Utica shale.
The company has 13 rigs in Ohio. where it has drilled 134 wells, of which 32 are in full production.
It is the No. 1 player in Ohio.
3. Colorado-based Antero Resources says in an October report that 44 percent of its yield in the Utica shale is liquids.
That more than the 33 percent liquids found in the Marcellus shale, the energy firm said.
It has 56,000 acres in the Utica shale and 272,000 acres in the Marcellus shale.
It has identified nearly 480 potential drilling sites in the Utica shale.
To date, three horizontal wells have been completed in Ohio.
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.