Oklahoma energy companies will have to disclose the chemicals they use in hydraulic fracturing under new rules approved by the state Corporation Commission.
The rules give companies the option of reporting at a website called Frac
Oklahoma would join six other states in requiring disclosure of the chemicals.
Hydraulic fracturing, or “fracking,” involves injecting water, sand and chemicals at high pressure to break apart rock formations. The practice, which has been used in Oklahoma for decades, has become controversial as oil and gas drilling expanded into shale formations across the country.
Several Oklahoma companies, including Devon Energy Corp. and Chesapeake Energy Corp., already voluntarily list the chemicals they use in hydraulic fracturing at the FracFocus website.
The Oklahoma City-based Ground Water
Some already listed
Lori Wrotenbery, director of the Corporation Commission's oil and gas conservation division, said about 20 percent of the wells hydraulically fractured in Oklahoma have chemical disclosure reports on the FracFocus website. More than 460 Oklahoma wells were
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We think it's a great step forward and a great first step. We look forward to expanding on the rule later.”