Sentences with phrase «fracture deep rock»

The water is injected under high pressure into a wellbore to fracture deep rock formations in order to release the flow of natural gas and petroleum in a process call hydraulic fracturing.

In hydraulic fracturing, a pressurized liquid is injected into a wellbore — the actual hole that forms the well — to fracture deep rock formations to release the flow of natural gas and petroleum.

Not exact matches

Cuomo has acknowledged that fracking — a deep gas - drilling technique that uses a mixture of chemicals and water to fracture rocks and capture the escaped gas — would boost jobs.

With fracking, millions of gallons of water, dangerous chemicals, and sand are injected under high pressure deep into the earth, fracturing hard rock to release oil and gas.

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.

He also found cells of D. audaxviator, a bacterium that made up 99.9 % of the organisms he recovered from one of the filters used to extract water from rock fractures deep in the mines.

Extracting gas from deep shale deposits by fracturing the rock using a high - pressure mix of water, sand and chemicals is a hot topic.

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.

At the end of oil and gas drilling, water that was used to create small fractures in deep rock to retrieve the fuel is injected back into the ground.

A team of researchers studying water quality around hydraulic fracturing, the process used to extract gas from rock deep underground, have found a blueprint to move those conversations forward.

In Northern California, AltaRock Energy hopes to become the first of many developments to produce geothermal energy by fracturing rock at the bottom of a deep hole and then circulating water through the cracks to generate steam.

The new pumps are critical for «enhanced geothermal systems,» in which energy is produced by fracturing dry rock at the bottom of a deep hole and then circulating water through the cracks to generate steam.

The device gathers data on how tracers — microscopic particles that can be pumped into and recovered from wells — move through deep rock formations that have been opened by hydraulic fracturing.

The hydraulic fracturing process — pushing gallons upon gallons of chemical - laden water into shale rock in order to bubble up natural gas — takes place deep in the ground, thousands of feet below the earth's surface and thousands of feet below the shallow aquifers that provide drinking water.

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 device gathers data on how tracers — microscopic particles that can be pumped into and recovered from wells — move through deep rock formations that have been opened by hydraulic fracturing [fracking].

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Fracking (hydraulic fracturing) rock fracturing with pressurized liquid creating cracks in deep - rock formations through which shale gas, oil, tight gas and brine will flow more freely... major part of the Golden Age of Gas

Developing energy from shale (and other tight - rock formations) using hydraulic fracturing and horizontal drilling takes four to eight weeks — from preparing the site for development to production itself — after which the well can be in production up to 40 years.10 A well can be a mile or more deep and thousands of feet below groundwater zones vertically, before gradually turning horizontal.

At a typical site, two holes would be bored and the deep rock between them fractured.

A fracture caused by the drilling process would have to extend through the several thousand feet of rock that separate deep shale gas deposits from freshwater aquifers.

If you study this diagram it is fairly clear that the fractures only affect a small part of the deepest rocks, and steel casing and cement in the well protects the aquifers.»

installing an EGS plant typically involves drilling a 10 - to 12 - inch - wide, three - to four - kilometer - deep hole, expanding existing fractures in the rock at the bottom of the hole by pumping down water under high pressure, and drilling a second hole into those fractures.

But a new «enhanced geothermal» approach works by drilling parallel wells deep into hot rocks which are then fractured using high pressure cold water.

Oil companies have been using hydraulic fracturing for 60 years to get the most petroleum possible from grudging rock formations deep beneath the Earth.

Hydraulic fracturing sends «huge volumes of toxic fluids» deep underground at high pressure, to fracture shale rock and release natural gas, Food & Water Watch claims.

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].

Hydraulic fracturing is accomplished by pumping a mixture of water, sand and chemical additives, into dense rock formations deep below the earth's surface under pressure.