The story “Ohio E&Ps Report Marginal 2Q Increases in Oil, NatGas Volumes” included incorrect percentage gains in year/year unconventional oil and natural gas production because of a data reporting error by the Ohio Department of Natural Resources. Second quarter oil production increased by about 30% to 5.8 million bbl, while natural gas production increased by about 11% to 614.2 Bcf, compared with the year-ago period.