Sentences with phrase «fracture processes»

Studies aimed at modeling of deformation, strength and fracture processes in nanomaterials and nanostructured objects were performed.

These observations suggest that there is a complex network of fluid - induced fracture processes at the glacier base.

Continental's success for the second consecutive quarter over Whiting highlights the importance of improving hydraulic fracturing processes, including the use of larger amounts of sand, which the Oklahoma City - based company has helped pioneer.

But the contaminants can come from several sources: from the hydraulic fracturing process itself, from the waste water, from the pits where drilling chemicals are stored, or from transporting chemicals and wastewater.

The fact is they have potential but they are not light crude they have to be pressed out of the earth through a fracturing process that up until the price of oil went over 75 $ a barrel was deemed too expensive by the oil companies to go after.

FILE - In this July 27, 2011 file photo, workers stand behind the top of a pump for the hydraulic fracturing process in the Marcellus Shale layer to release natural gas at a Range Resources site in Claysville, Pa. (AP Photo / Keith Srakocic, File)

(Industry groups have seized on some recent findings that leaky wells, and not the fracturing process itself, might be responsible for tainted ground water in certain places.)

America's midsection has experienced an uptick in quakes due to part of the hydraulic fracturing process: Wastewater from the fossil fuel extraction is pumped deep into the ground, causing faults to separate and slip.

The panel's recommendations included public disclosure of chemicals during the hydraulic fracturing process, which is widely called «fracking.»

When faced with uncertainties about the chemicals used in the hydraulic fracturing process, the researchers deliberately overestimated the amount of toxic chemicals that would reach the environment to ensure they weren't minimizing fracking's health impacts, Miller said.

That's in part because the identity of the chemicals used by the gas industry for drilling and fracturing are protected as trade secrets, and because the EPA, based on an exemption passed under the 2005 Energy Policy Act, does not have authority to investigate the fracturing process under the Safe Drinking Water Act.

Much of the uncertainty relates to the hydraulic fracturing process.

Eventually, Durham hopes that researchers will help to develop novel chemicals that could be used to make the entire hydraulic - fracturing process cleaner and more efficient.

«The operation of an enhanced geothermal system uses the injection of a fluid (water or carbon dioxide) to extract thermal energy from the rock located a few thousand metres below the surface, and whose permeability has been improved or stimulated previously with fracturing processes,» explains César Chamorro, one of the authors.

In particular, concerns that the hydraulic fracturing process (called «fracking») used to capture natural gas could pose a threat to the environment and public health if chemicals used in the operation contaminate underground drinking water.

The study, to be published in Water Resources Research on October 20, demonstrates that fractures in surrounding rock produced by the hydraulic fracturing process are able to connect to preexisting, abandoned oil and gas wells, common in fracking areas, which can provide a pathway to the surface for methane.

Hydraulic fracturing processes, similar to those used in oil and gas production, also have been used in enhanced geothermal systems, but those processes have drawbacks due to the amount of water required, the potential toxicity of the chemicals used and the high costs of retrieving and treating the water.

The high - volume hydraulic fracturing process.

Understanding of fundamental processes and prediction of optimal parameters during the horizontal drilling and hydraulic fracturing process results in economically effective improvement of oil and...

However, other mechanisms such as fluid withdrawal, enhanced oil recovery, or hydraulic fracturing processes can also result in induced earthquakes.»

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.

This layering is part of the fracturing process, the breaking up or «exploding» of a recognisable image, a response, says Stubbs, to the ever expanding proliferation of broadcast and internet - based images that fill our world.

There's a substantial push toward recycling and cleaning water used or produced during the fracturing process.

This technology holds great potential to lower the «dread to risk ratio» surrounding the hydraulic fracturing process, in which water with traces of other substances is injected into a well at high pressure to fracture deep shale layers holding the gas.

«The agency has walked away from nearly a thousand sources of information from published papers, technical reports and peer reviewed scientific reports demonstrating that industry practices, industry trends, and regulatory programs protect water resources at every step of the hydraulic fracturing process.

He noted that the hydraulic fracturing process lends itself to more leakage because it takes more time to drill the well, requires more venting and produces more flowback waste, he said.

Though much as the case elsewhere companies are also not required to disclose the chemicals that they use in the hydraulic fracturing process.

Control, monitor and maintain chemical mixture ratios and concentration levels in the water sent into oil wells during the hydraulic fracturing process to kill sulfate - producing bacteria; lengthening the well's lifespan.

Not exact matches

A recent Ceres research paper found that a lot of hydraulic fracturing — a process that uses tons of water — is taking place in water - scarce regions, with nearly 47 % of wells located in highly - stressed water basins, including 92 % of wells in Colorado and 51 % of wells in Texas.

The area underlying Pennsylvania, Ohio and West Virginia is the epicenter of a boom in American natural gas produced through hydraulic fracturing, the process of injecting water, minerals and chemicals underground to free oil and gas from rock formations.

However the same multi-stage fracture stimulation process, commonly known as fracking, is used there to extract gas from solid rock.)

Now, it is suddenly plentiful and relatively cheap in the U.S. due to hydraulic fracturing technology, or fracking, a process that has unlocked natural gas from massive shale formations, driving prices down.

That mining was apparently focused on narrow high - grade zinc rich fractures with the material hand sorted and direct shipped to a smelter for processing.

What is agreed upon is that the self - consciousness involved in the satisfaction of an actual entity can not have the status of knowledge (for knowledge refers us to reflection, and hence to an additional process), nor can it have the structure of intentionality (for intentional self - awareness fractures unity and leads to an infinite regress).

Although this essentially methodological affinity has been duly recorded and commented upon (most notably by Ilya Prigogine and Isabelle Stengers2) there has, as yet, been no exploration of the extent to which Deleuze's metaphysics parallels that of Whitehead in terms of its content — the extent to which his own system of «descriptive notions» mirrors, departs from, or fractures, the categoreal scheme of Process and Reality.

Carr's passer rating dropped from 96.7 to 86.0, which had to do in parts to: a) natural comedown, b) worse running support (and that had something to do with the new zone blocking scheme), and c) a transverse process fracture in his back.

And during the game he had his shirt ripped, two episodes of epistaxis from both nares, and fractured his nose in the process.

The injuries that occur — or heal — can lift a team (Colorado left wing Valeri Kamensky's return in Game 3 from a broken right arm permitted the Avalanche to move Adam Deadmarsh from wing to third - line center and drop pivot Dale Hunter to the fourth line, creating a more balanced lineup) or devastate it (Detroit winger Martin Lapointe looked lost in Games 3, 4 and 5 after his center, Igor Larionov, fractured a pinky in Game 2), but they are all part of the process of winning championships.

Conley's injury (he's out 6 - 8 weeks with a transverse process fracture in his vertebrae) is the nightmare scenario for a franchise that spent huge amounts of money to continue riding out an aging core with a history of injury problems.

Carr slipped this year but there were reasons for that including the fact he had a process fracture in his back which is easily an 8 week injury.

For adoptees — especially those placed as infants — adoption fractured this primal security bond, before they had the words or cognitive skills to process the amputation.

Banjo - playing Fox starts to wonder what impact the process of «fracking» (hydraulic fracturing) has, and sets off with his camera on a disturbing journey across the US, visiting residents who have already leased their land.

Environmental Conservation Commissioner Joe Martens today defended the department's decision to write regulations for hydraulic fracturing along with conducting an environmental review of the process, a move that environmental groups have said is essentially a fast - tracking.

Allowing the controversial natural - gas extraction process known as hydraulic fracturing would be «premature at a minimum,» Assembly Speaker Sheldon Silver, D - Manhattan, said in a statement.

It is unclear that militaries will voluntarily accept ELAC's advice or that this is even practical within the context of the fractured defence acquisitions process.

Gov. Andrew Cuomo, once on a fast track to begin the natural gas drilling process known as hydraulic fracturing in New York, has put his decision on hold while his administration is conducting a health review that began two years ago.

New York's health commissioner is still declining to speculate when his agency will finish a review of the health effects of hydraulic fracturing for natural gas, meaning the state appears no closer to allowing the controversial drilling process.

She said she was most proud of fighting for the so - called Safe Act, a gun - control law that New York enacted after the school massacre in Newtown, Conn., and against hydraulic fracturing for natural gas, a process known as fracking.

Others were upset by the ban on hydraulic fracturing, or fracking, because they believe the gas drilling process would boost that region's struggling economy.

Schneiderman is also suing the federal government over its review standards for hydraulic fracturing, the controversial natural gas extraction process.