Regulators contend that overall, water and air pollution problems are rare, but environmental groups and some scientists say there hasn’t been enough research on those issues. The industry and many federal and state officials say the practice is safe when done properly, and many rules on air pollution and disclosure of the chemicals used in fracking are being strengthened.

‘‘This excess production has really taken the pressure off New York’s moratorium. It’s given them more time’’ to decide whether to allow drilling, Jugovic said.

Nikhanj said that strictly from a market standpoint, New York’s share of the Marcellus may not matter.

The talk of a continued boom had one energy expert urging caution.

‘‘Sounds hopeful for the local economy, but the energy business has always been boom-and-bust, so long-term predictions are pretty risky,’’ Carnegie Mellon University professor Jay Apt wrote in an email.

‘‘Perhaps we will get lucky,’’ Apt wrote, but added that because Pennsylvania doesn’t directly tax gas output or deposit some of the proceeds of its fee into a trust fund, the Marcellus benefits will run out one day. That’s in contrast with Alaska, where residents ‘‘get an annuity check from the Permanent Fund set up with their severance tax.’’