For at least the past decade, oil and gas companies in Houston and Texas at large have made billions of dollars from the shale boom and fracking advances. But even amid historic U.S. onshore production growth, banks and investors are pulling away from the oil and gas industry because they haven’t generated strong returns on their investments.
With technological breakthroughs in hydraulic fracturing, or fracking, producers were better able to extract resources from the tight rock formations in…