Hydraulic fracturing is a process for extracting natural gas and oil by injecting water and
chemicals deep underground.
The gas is extracted using a method called hydraulic fracturing, or fracking, a technique that involves pumping millions of gallons of water laced with
chemicals deep underground to blast open the shale and release the gas trapped inside.
To free the gas trapped in the Marcellus and other shale formations, drillers pump millions of gallons of water mixed with sand and
chemicals deep underground under pressure.
The relatively new technique, also called fracking, injects massive amounts of water and
chemicals deep underground to extract oil and gas.
Not exact matches
May 15, 2013 — A UK - Canadian team of scientists has discovered ancient pockets of water, which have been isolated
deep underground for billions of years and contain abundant
chemicals known to support life.
Fracking, as the technique is known, is the use of
chemical - laced water injected
deep underground to create fissures in
underground rock formations and release natural gas and oil.
He said while some hyrofracking
chemicals are toxic and carcinogenic, public exposure to such
chemicals is manageable, and that there are no known cases of the
chemicals — which are injected
deep underground a mile or more to fracture gas - bearing rock layers — reaching the surface to contaminate water or air.
Hydrofracking relies on a high - pressure blend of
chemicals, sand and water pumped
deep underground to break up gas - bearing rock formations, freeing gas to rise up the well to the surface.
The state had a de facto ban in place as it studied the process, which involves extracting oil and gas from
deep underground by pumping water, sand and
chemicals at high pressures
deep underground.
Oil and gas companies developing fields in Pennsylvania, Ohio, Texas, Louisiana, Arkansas and North Dakota rely on a process called hydraulic fracturing, which produces natural gas by blasting water and
chemicals into energy - rich rock formations
deep underground.
Fracking wastewater is laden with
chemicals used to drill and frack the well and may also contain radioactive compounds and heavy metals released from
deep underground.
It may be that
chemical reactions
deep underground have given rise to some of the very earliest stages in the formation of life, like the generation of amino acids, or the building blocks of DNA.
A similar
chemical reaction stemming from the sloppy disposal of Los Alamos» nuclear waste in 2014 provoked the shutdown of a
deep -
underground storage site in New Mexico for more than two years, a DOE accident investigation concluded.
Hydraulic fracturing, or «fracking,» is a petroleum - extraction procedure in which millions of gallons of water (as well as sand and
chemicals) are injected
deep into
underground shale beds to crack the rock and release natural gas and oil.
The government hopes to revive domestic natural gas production with the technology that has transformed the energy picture in the United States — horizontal drilling into
deep underground shale, and high - pressure injection of water, sand, and
chemicals to create fissures in the rock to release the gas.
Texas has many
deep underground injection wells, regulated by the U.S. Environmental Protection Agency, where companies dispose of the salty and
chemical - and mineral - laden shale wastewater.
Furthermore,
chemicals used in hydraulic fracturing, which involves cracking shale rock
deep underground to extract oil and gas, can contaminate groundwater resources [137,138,139].
Fracking means injecting water laced with sand and toxic
chemicals underground to create
deep ground explosions that release the gas.
The report «Fact - Based Regulation for Environmental Protection in Shale Gas Development» was released in February during the annual meeting of the American Association for the Advancement of Science in Vancouver, British Columbia, and suggested there is little or no evidence of a direct connection between groundwater contamination and hydraulic fracturing, which involves the injection of water, sand and
chemicals to release natural gas from shale formations
deep underground.