Injecting acid to help drill for oil isn't a new practice, but Texas' oil and gas regulator doesn't track where or how much acid is used by drillers in the state, and that has some people concerned. Read the full story at StateImpact Texas.
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This article originally appeared in The Texas Tribune at http://www.texastribune.org/2014/02/12/use-of-acid-in-drilling-stirs-concerns/.