The numbers have continued to go up. By 2019, the Potential Gas Committee’s estimate for recoverable natural gas reserves was triple what it had been in 2002. Gas production was rising so fast that it became known as the “shale gale.” As gas moved from shortage into oversupply, the inevitable happened: prices plummeted. The combination of abundant supply and low price changed the overall U.S. energy mix, with gas’s share of total U.S. energy rising.
