PITTSBURGH – A major supplier to the oil and gas industry says it will begin disclosing 100 percent of the chemicals used in hydraulic fracturing fluid, with no exemptions for trade secrets. The move ...

In just a few short years, shale gas extraction using hydraulic fracturing has transformed the domestic energy landscape, providing billions of cubic feet per day to the nation’s energy supply and ...

Over the past two decades, vast deposits of oil and gas have been unlocked in the United States by a late-20th-century extraction-process innovation known as hydraulic fracturing (also known as ...

Some of the natural gas harvested by hydraulic fracturing operations may be of biological origin -- made by microorganisms inadvertently injected into shale by oil and gas companies during the ...

U.S. EPA has revised its page about hydraulic fracturing and oil and gas production. The changes went live Friday morning, and the biggest difference is that it’s now titled "Unconventional Oil and ...

Hydraulic fracturing, commonly called “fracking,” conjures up all sorts of images in people’s minds, and not all of them are good. Fracking is a controversial process employed by oil and natural gas ...

The analysis will evaluate the potential impacts of well stimulation treatments including hydraulic fracturing, as part of ...

A member of a Halliburton crew takes a quick water break at a hydraulic fracturing site for Tidal Petroleum in Karnes County. Working outdoors in the heat, crew members are told to stay hydrated as a ...

Hydraulic fracturing is a process used in nine out of 10 natural gas wells in the United States, where millions of gallons of water, sand and chemicals are pumped underground to break apart the rock ...