This view shows a warning sign posted at a natural gas well pad in Dimock, PA, run by Cabot Oil & Gas Corporation. Overall, about 200 gas wells have been drilled in Dimock in the past two years; Pennsylvania had over 77,000 wells as of 2009.
Hydraulic fracturing or "fracking" is new method of drilling for natural gas: millions of gallons of water, sand and proprietary chemicals are pumped down a well under high pressure. The pressure fractures the shale, opening...more »
Copyright © Michael Forster Rothbart, 2010