However, according to Rebecca Joffrey of the Tuck School, in New Hampshire, these general figures may be masking a substantial shift in the hiring picture.

FORBES: The Business School Beat

Significant innovation in drilling techniques brought us the shale gas revolution, and this has created a tectonic shift in our fossil fuel picture.

FORBES: Clean Energy Innovation: An Unstoppable and Volatile Force

To get a clear picture as to what exactly drives the shift away from Pennsylvania, it is instructive to read the Q3 transcripts from some of the major drilling companies.

FORBES: Driven by Oil Shale Economics, Natural Gas Prices Primed for Slow and Steady Rise