Fracing.
Breached wells fuels feud with gas firm from this morning's Denver Post.
Provides some insight to questions raised in this thread: new drilling in the US, the methods of increasing production from those wells (fracing), and the environmental contamination of chemicals used in the process. I support drilling for natural gas in the US; but I don't like contaminated aquafers making people sick.
But her story gained a new twist with the recent revelation that a chemical called 2-BE was used near her home in a process called hydraulic fracturing, or "fracing" (pronounced "fracking"). Fracing involves pumping fluids under high pressure into the ground to break apart formations where gas is trapped.