The US Environmental Protection Agency asked nine service companies to voluntarily supply information about chemicals in their hydraulic fracturing fluids for its study of the completion process's ...

Pumping water mixed with sand in a fracking operation, for Anadarko in Franktown, Colorado. Proppant consists of sand-sized particles injected with frac fluid during a fracking operation. In shale oil ...

The American Petroleum Institute announced that it supports the state-based voluntary chemical registry that is being jointly developed by the Ground Water Protection Council and the Interstate Oil & ...

Stimulation techniques are used to encourage production to flow from the reservoir rocks. Hydrocarbons are located in the spaces between pores of reservoir rock. Production is achieved when these pore ...

Getting your Trinity Audio player ready... From rural Pennsylvania to Los Angeles, more than 17 million Americans live within a mile of at least one oil or gas well. Since 2014, most new oil and gas ...

Here you can search the frac fluid chemicals pumped into more than 1,800 Pennsylvania wells between Jan 1, 2011 and Aug. 31, 2012. Here you can search the frac fluid chemicals pumped into more than ...

The Karoo landscape, a water-scarce area near potential shale gas sites. Photo courtesy Surina Esterhuyse Hydraulic fracturing, also known as fracking, is used to extract trapped oil and gas from ...