News tagged with hydraulic fracturing

Energy industry develops nontoxic fracking fluids

The oil and gas industry is trying to ease environmental concerns by developing nontoxic fluids for the drilling process known as fracking, but it's not clear whether the new product will be widely embraced by drilling companies.

Feb 03, 2013
3.6 / 5 (5) 41

Analysis of fracking wastewater yields some surprises

Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that the wastewater ...

Jan 22, 2013
4.1 / 5 (10) 12 | with audio podcast

Researchers examine how ore deposits are formed

(Phys.org)—New computer simulations by geologists from ETH Zurich demonstrate how large copper and gold deposits are formed. The enrichment process of these metals follows physical principles that are similar ...

Dec 21, 2012
5 / 5 (4) 1 | with audio podcast

US carbon emissions in surprise drop

US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.

Aug 17, 2012
4.5 / 5 (13) 43