Sentences with phrase «fracturing fluids»

In addition to fears of groundwater contamination, there are other issues such as the disposal of fracture fluids and simply the volume of water used by the activity.
Now that the EPA has found a chemical used in fracturing fluids in Pavillion's drinking water, Chavez said the next step in the research is to ask EnCana for a list of the chemicals it uses and then do more sampling using that list.
Data from 2,900 hydraulically fractured wells in the state were used to estimate potential releases of fracturing fluid chemicals and wastewater.
Instead of pumping millions of gallons of water and fracturing fluid into the earth, the company GasFrac used a liquefied petroleum gas gel — propane gas compressed into a thick fluid — to break up the rock.
New Mexico State University Assistant Professor Kenneth C. Carroll, third from left, and other researchers have created a new fracturing fluid that may increase the development of geothermal energy.
But the industry says environmental regulation is unnecessary because it is impossible for fracturing fluids to reach underground water supplies and no such case has ever been proven.
Ohio is in the final stages of making an Exxon trojan horse on hydrofracking into state law, and it appears that the American Legislative Exchange Council (ALEC) connected Exxon's lawyers with co-sponsors of Ohio Senate Bill 315: at least 33 of the 45 Ohio legislators who co-sponsored SB 315 are ALEC members, and language from portions of the state Senate bill is similar to ALEC's «Disclosure of Hydraulic Fracturing Fluid Composition Act.»
Public concern for water contamination has focused on the impact of hydraulic fracturing fluids from shale gas exploration, but the new study shows that wastewater from conventional oil and gas exploration contains levels of ammonium and iodide that are just as high.
If they find that the contamination did result from drilling, the placid plains arching up to the Wind River Range would become the first site where fracturing fluids have been scientifically linked to groundwater contamination.
Of particular concern were compounds called adamantanes, a natural hydrocarbon found in gas that can be used to fingerprint its origin, and 2 - BE, listed as a common fracturing fluid in the EPA's 2004 research report on hydraulic fracturing.
«The presence of synthetic compounds such as glycol ethers... and the assortment of other organic components is explained as the result of direct mixing of hydraulic fracturing fluids with ground water in the Pavillion gas field,» the draft report states.
Tracer or sensor particles added to fracturing fluids help solve that problem, but there's plenty of room for optimization, especially in minimizing the volume of nanoparticles used now, he said.
StimuFrac is a carbon - dioxide - activated, rheoreversible fracturing fluid that can enhance permeability through fracturing via volume expansion and gel formation.
The injection of the hydraulic fracturing fluids creates channels for flow in the formations (often shale formations), allowing methane and other hydrocarbon gases and liquids in the formation to migrate to the production well.
A 2014 report from the Groundwater Protection Council documented «continuous and significant regulatory improvement by state oil and gas agencies across the county» and concluded «the risk of fracture fluid intrusion into groundwater from the hydraulic fracturing of deeper conventional and unconventional oil and gas zones can be considered very low.»
As is often the case with resource development, shale gas production also has raised local environmental concerns, largely centering on the amount of water used in the fracturing process and the need to handle, recycle, and treat fracturing fluids in a manner that addresses the risk of spills that can potentially affect water quality.
Todd Wynn writes how «ALEC has been at the forefront of the effort to retain state sovereignty over hydraulic fracturing, and our recently adopted model bill, the Hydraulic Fracturing Fluid Disclosure Composition Act, aims to preempt the promulgation of duplicative, burdensome federal regulations from U.S. Environmental Protection Agency (EPA).»
The group, led by Carlos Fernandez, Ph.D., at PNNL, has developed a new fracturing fluid that uses an environmentally friendly polymer to create tiny cracks in bedrock deep below the surface of the earth.
A bill now under consideration on Capitol Hill would grant the EPA oversight of fracking and force drilling companies, which are currently exempt from portions of the Clean Water Act, to disclose the chemicals they use in fracturing fluids.
We are working with Rice University to develop a new tracer technology for hydraulic fracturing fluids.
The researchers believe that a limited recovery of fracturing fluids — one well retrieved only 7 % of its fluids — pressurized a fault that extended down to the crystalline basement, resulting in the series of quakes over several months.
High - volume hydraulic fracturing — the focus of recent attention and public concern — is defined by the state of Michigan as activity that is intended to use more than 100,000 gallons of hydraulic fracturing fluid.
Even in a seemingly implausible accidental - release scenario in which all of a well's hydraulic fracturing fluid and untreated wastewater were discharged directly into surface waters for the lifetime of the well, shale - gas electricity had a lower lifetime human toxicity impact, or HTI, than coal electricity, according to the study.
The chemicals used in hydraulic fracturing fluid are considered proprietary, and the magnitude and frequency of water - contamination events are not well - documented.
They said the contaminant causing the most concern — a compound called 2 - butoxyethanol, known as 2 - BE — can be found in some common household cleaners, not just in fracturing fluids.
For the hydraulic fracturing system, the study estimated the toxicity of the fracturing fluid chemicals used to crack rock and release natural gas, as well as the wastewater associated with shale - gas extraction.
In western Colorado, for example, Antero Resources Corp. negotiated an agreement with civic leaders to use nontoxic hydraulic fracturing fluids, monitor water supplies, and avoid the use of wastewater disposal pits.
Image courtesy: Michigan Department of Environmental QualityHigh - volume hydraulic fracturing — the focus of recent attention and public concern — is defined by the state of Michigan as activity that is intended to use more than 100,000 gallons of hydraulic fracturing fluid.
(This «produced water» is a mix of fracturing fluid and water from the rock layers being drilled.)
SafeTNA was founded in early 2012 as an inert DNA - based tracer that could be incorporated into hydraulic fracturing fluid to address contamination concerns.
We have found that the DNA - based tracer survives when mixed with samples of hydraulic fracturing fluid and flowback fluid.
Exxon's XTO is a funder of Energy in Depth (EID), a pro-oil-and-gas drilling industry front group formed by the American Petroleum Institute, the Independent Petroleum Association of America (IPAA) and dozens of additional industry organizations for the purpose of denouncing legislation proposed by Colorado U.S. Rep. Diana DeGette to regulate underground hydraulic fracturing fluids.
Reps. Henry Waxman (D - CA), Edward Markey (D - MA) and Diana DeGette (D - CO) sent a letter to the Environmental Protection Agency today following an investigation into the use of diesel in fracturing fluids.
Recovery rates of fracturing fluids and provenance of produced water from hydraulic fracturing of Silurian Qusaiba hot shale, northern Saudi Arabia, with implications on fracture network
We found no evidence for contamination of drinking - water samples with deep saline brines or fracturing fluids.
Second, hydraulic fracturing fluid may come back to the surface, or near enough, to affect groundwater supplies.
More on Fracking: Hydraulic Fracturing For Natural Gas Development Gets Added Regulatory Scrutiny US Congress May Undo Cheney's «Fracing» Exemption Tracer In The Hydraulic Fracturing Fluid: Accountability For...
The result is a 60 - page Watershed Plan [5](PDF) that dictates that Genesis will only use «green» hydraulic fracturing fluids, will reveal the chemical makeup of those fluids and will inject a tracer along with those fluids so any alleged contamination in the area can be quickly linked to its source.
These mechanisms include water withdrawals in times of, or in areas with, low water availability; spills of hydraulic fracturing fluids and produced water; fracturing directly into underground drinking water resources; below ground migration of liquids and gases; and inadequate treatment and discharge of wastewater.

Phrases with «fracturing fluids»

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