As a result of rising oil prices and lower costs,North America's oil and gas companies generated a generous surplus of cash in 2021.A closer look at 28 North American shale-focused oil and gas producers shows almost $40 billion reported in revenues during the first three quarters of the year-the highest level since 2014.However,three converging trends could tighten margins of shale producers in 2022,according to a recent report by the Institute for Energy Economics and Financial Analysis(IEEFA).
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