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 ...

Hydraulic fracturing in the presence of natural fractures causes a complex network of fractures to form because of shear and tensile failure. During hydraulical fracturing, shear failure in a ...

We hear a lot about fracking as a mining technique for extracting gas from coal seams and shale deposits. How is it done? And when is it used? As the world looks to new and more diverse energy sources ...

This is the second of two parts on the use of hydraulic fracturing to facilitate and enhance the gas recovery process from conventional and tight gas reservoirs. Although most moderate and tight gas ...

A new article assesses the impact of hydraulic fracturing on seismic hazards like micro-earthquakes, an important issue for the safety of workers and the continuation of mining operations. The ...

This is a preview. Log in through your library . Abstract Bedding is a special structure of coal, which has notable effects on the mechanical parameters of coal and on the hydraulic fracture ...

Health risks increase for infants born to mothers living within 2 miles of a hydraulic fracturing site, according to a new study. From North Dakota to Ohio to Pennsylvania, hydraulic fracturing, also ...

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 ...

Shale gas deposits have been found in Poland, Argentina, China, Great Britain and other countries, but only the United States has fracked its shale gas into a national energy boom. That's not for lack ...