Showing posts with label groundwater contamination. Show all posts
Showing posts with label groundwater contamination. Show all posts

Monday, February 2, 2015

New Tracers Can Identify Fracking Fluids

Alexandria, Va. — Hydraulic fracturing, the natural gas extraction method known popularly as fracking, has been controversial in large part to the concern about groundwater contamination by the fluids used in the process, especially the so-called flowback fluids that re-emerge at the surface from fracking wells and are usually disposed of by waste water fluid injection into other formations. Now, researchers have developed a geochemical method of identifying fracking fluids in the environment. The tool could be used to identify hazardous spills in the future and may even lead to better use and disposal of fracking wastewater.
Read more about how scientists came up with the new tracers and what they might mean for wastewater disposal in the February issue of EARTH magazine: http://www.earthmagazine.org/article/new-tracers-can-identify-fracking-fluids.
The American Geosciences Institute is a nonprofit federation of 50 geoscientific and professional associations that represents more than 250,000 geologists, geophysicists and other earth scientists. Founded in 1948, AGI provides information services to geoscientists, serves as a voice of shared interests in the profession, plays a major role in strengthening geoscience education, and strives to increase public awareness of the vital role the geosciences play in society's use of resources, resiliency to natural hazards, and interaction with the environment.
Continuing Education Courses in Hydraulic Fracturing

Saturday, April 17, 2010

PADEP Takes Action on Cabot Oil and Gas - 240,000 fine

Note: This is not my work - but the work of Jon Hurdle - Great Job !

"By Jon Hurdle

PHILADELPHIA, April 15 (Reuters) - Pennsylvania fined Cabot Oil & Gas Corp $240,000 and ordered it to permanently shut three gas wells in the state's most aggressive action so far to control development of natural gas in the Marcellus Shale.
The state's Department of Environmental Protection said Cabot failed to comply with a November 2009 order to fix defective well casings that discharged natural gas into groundwater, contaminating the drinking water of 14 homes in the rural community of Dimock, northeast Pennsylvania.
The new order directs the company to install permanent water-treatment systems in the homes within 30 days. Cabot must also pay a fine of $30,000 a month until it meets the DEP's requirements.
DEP Secretary John Hanger called the action the "most aggressive" taken by Pennsylvania so far toward any company drilling in the Marcellus Shale and said it should be taken as a warning to others that regulators will not tolerate the law violations.
The DEP also banned Cabot from drilling any new wells in the Dimock area for at least a year and blocked any new drilling statewide until it meets the requirements of the new order.
Cabot is seeking at least 25 additional drilling permits in other areas of the state, said DEP Secretary John Hanger.

Officials are looking at 15 other Cabot gas wells that may also be shut off if they are found to be the source of migrating methane, the statement said.

Recent exploitation of massive shale gas reserves in Pennsylvania and other states offers the United States a potentially abundant source of clean energy that would reduce dependence on imported oil.
But the Marcellus' development may be slowed by regulation as a result of fears about escaping methane and contamination of ground water by the chemicals used in the hydraulic fracturing drilling technique.
Concern about the drilling, also known as "fracking," has so far prevented its use in New York state and prompted a bill in Congress that would require companies to disclose the chemicals.

In November last year, Dimock residents sued Cabot, claiming gas drilling contaminated their water wells with toxic chemicals, caused sickness and reduced property values.

"Gas migration is a serious issue that can have dire consequences to affected communities and we will not allow Pennsylvania's citizens to be put in harm's way by companies that chose not to follow the law," said Hanger, in a statement.

Cabot agreed to provide potable water to the 14 households, and to pay the fines.

"This modified order does not impact the number of wells scheduled to be drilled under Cabot's 2010 drilling effort, nor will it impact our production guidance," Cabot chief executive Dan Dinges said in a statement.
DEP spokesman Tom Rathbun said the gas migration appears to have resulted from Cabot drilling through the shallow Devonian rock formation to reach gas in the deeper Marcellus reserve.
Hanger said Cabot has established the worst record in the industry.

"I'm glad to say that Cabot has so far been in a class by itself," Hanger told Reuters."

*********
My comment -

Excellent - I think it is critical that Cabot pay the fines, the cost of clean-up, cost to fully understand the problem,  and deal with citizens/community.  I think they should NOT be able to drill until they can prove they can install these wells properly. 

Also, there bonding rates should be higher.  I would hope a report is produced that outlines the specific causes for the problems so the industry and PADEP can take action to prevent this from happening.  I would hope this report is made public in a timely manner - so we can learn from their mistakes.
If they, i.e., Cabot, can not drill safely and install the wells in bedrock that is near horizontal - what is going to happen when the rock is slightly folded?
Brian

Water Monitoring supplies and equipment

Wednesday, November 18, 2009

PA Law Suit Related to Natural Gas

This is not my work - The Source is
Original Article

"* Suit seeks to link fracking and polluted water

* Company says suit without merit, plans to defend

By Jon Hurdle

AVELLA, Pennsylvania, Nov 9 (Reuters) - A Pennsylvania landowner is suing an energy company for polluting his soil and water in an attempt to link a natural gas drilling technique with environmental contamination.

George Zimmermann, the owner of 480 acres (194 hectares) in Washington County, southwest Pennsylvania, says Atlas Energy Inc. (ATLS.O) ruined his land with toxic chemicals used in or released there by hydraulic fracturing.

Water tests at three locations by gas wells on Zimmermann's property -- one is 1,500 feet (460 metres) from his home -- found seven potentially carcinogenic chemicals above "screening levels" set by the U.S. Environmental Protection Agency as warranting further investigation.

Jay Hammond, general counsel for Atlas, said Zimmermann's claims are "completely erroneous" and that the company is in compliance with Pennsylvania's gas-drilling regulations. Hammond said Atlas will "vigorously" defend itself in court and declined further comment.

But Zimmermann says he has evidence that chemicals used by Atlas contaminated his land.

"There are substances that can't be made by nature and that's what's in the ground," he told Reuters during an interview in his 12,000-square-foot house on a remote hilltop.

Atlas is exploiting the Marcellus Shale, a vast gas reserve that underlies about two-thirds of Pennsylvania and parts of West Virginia, Ohio and New York State. Experts estimate it contains enough natural gas to meet total U.S. demand for at least a decade.

The gas is being extracted by hydraulic fracturing, or "fracking", in which a mixture of water, sand and chemicals is forced a mile (1.6 km) or more underground at high pressure, fracturing the shale and causing the release of natural gas.

Development of the Marcellus, together with other major shale fields in Texas, Louisiana and other states, is being aided by advances in fracking combined with horizontal drilling, which provides more exposure to a formation than a vertical well and leads to less surface disturbance.

If Zimmermann wins his case, it would be the first in America to prove that hydraulic fracturing causes water contamination. Such a finding could slow the development and use of cleaner-burning natural gas that would reduce American dependence on overseas energy.

PERFECT BASELINE TESTS

Baseline tests on Zimmermann's water a year before drilling began were "perfect," he said. In June, water tests found arsenic at 2,600 times acceptable levels, benzene at 44 times above limits and naphthalene five times the federal standard.

Soil samples detected mercury and selenium above official limits, as well as ethylbenzene, a chemical used in drilling, and trichloroethene, a naturally occurring but toxic chemical that can be brought to the surface by gas drilling.

The chemicals can cause many serious illnesses including damage to the immune, nervous and respiratory systems, according to the Endocrine Disruption Exchange, a researcher of the health effects of chemicals used in drilling.

Zimmermann's suit, filed in September in the Washington County Court of Common Pleas and obtained by Reuters, follows claims by residents in many gas-drilling areas of the United States that fracking pollutes private water wells with toxic chemicals and threatens widespread contamination of aquifers from which many rural households draw drinking water.

Although communities as far apart as Pennsylvania and Wyoming complain that their water has become unusable, they have been unable to prove a link to gas drilling. Energy companies refuse to say what chemicals are used in so-called fracking fluid, saying the mixture is proprietary.

Companies are not required to disclose the composition of the fluid because of an exemption to a federal clean water law granted to the oil and gas industry in 2005.

Many local residents have been deterred from fighting the gas companies by the expense of legal action and water testing. Zimmermann says he has spent about $15,000 on water tests and will spend whatever it takes to prove his case.

Rural residents who live near gas drilling say their water has become discolored, foul-smelling, or even flammable because methane from disturbed gas deposits has migrated into water wells.

DEATHS, MUTATION OF LIVESTOCK

Farmers in southwest Pennsylvania blame cattle deaths and mutations on local fracking. Other complaints attributed to tainted water include children's sickness, skin rashes and neurological disorders.

The industry says the chemicals used in fracking are injected through layers of steel and concrete thousands of feet below aquifers, and so pose no threat to drinking water. Spokesman argue there has never been a documented case of water contamination as a result of fracking.

On Zimmermann's property, the presence of water and soil contaminants that exceed EPA screening levels risks wider pollution of drinking water supply, wrote Cleason Smith, a consultant with Hydrosystems Management, which tested the soil and water, in a letter explaining the test results.

Atlas rejected Smith's report, saying in court documents that the findings were inadmissible.

Smith said further tests are needed to confirm the source of contamination but that some chemicals seem to come from fracking or related activity. Benzene, for example, is unlikely to be found on land that was previously forested, he said.

Zimmermann's suit says his land has become "virtually valueless" because it is permanently contaminated with toxic chemicals as a result of the 10 wells that Atlas has drilled.

The suit accuses Atlas -- which is able to drill on the land because it acquired the mineral rights from a previous owner -- of negligence. It is seeking an injunction against further drilling, and unspecified financial damages.

With a wife, an eight-year-old son and eight-month-old twins, Zimmermann, 66, worries about air and water quality.

He said he has invested about $11 million in the estate, which includes a winery and an heirloom-tomato business, but he now just wants to walk away because he believes it has been ruined by gas drilling.

He rates his chances of selling the property as "slim to none" in light of the proven water contamination.

"I don't want to live here any more," Zimmermann said. "I'm afraid of the chemicals.""

(Editing by Mark Egan and Philip Barbara)

This is a great article and individuals on all sides on this issue should follow. Personally, I believe the gas development companies need to take a hard look at the chemicals that are being used to attempt to use products that would have less impact on the environment.

Monday, October 19, 2009

Pike County - Radon in Water Higher than Anticipated

Pike two-year water study
By TOM KANE
MILFORD, PA — A two-year study of the Pike County watersheds and ground water resources reveals ground water resources of good quality and good quantity.
The only negative concern centered on the amount of radioactive radon that is exceeding normal levels in 75 percent of the testing wells. Radon is the second-leading cause of cancer in the nation.
The survey, which was conducted through a partnership between the Pike County Conservation District (PCCD) and the United States Geological Survey (USGS), found that the water resources in the county are basically sound and free of serious problems, save for the radon.
The report of the survey results was presented to the Pike County Commissioners at their meeting on August 26 by Nicholas Spinelli, PCCD watershed specialist.
The survey results were gathered over two years at 22 observation wells throughout the county.
“Human activity is affecting ground water in the county, depending on the extent of development,” Spinelli said. Ground water is the sole source of drinking water in the county, he said.
None of the effluents measured by the survey exceeded permitted limits, except radon. “Sixty percent of the homes in Pennsylvania have radon in exceeding levels,” he said. “The test wells in the northern part of the county have higher levels and it tapers off as you go south.”
Rich Caridi, commissioners chair, said that it would be advisable to inform the Pike County Builders Association of the presence of radon and encourage them to take measures to mitigate any traces of the gas at construction sites.
“There are several mitigation systems that could be installed in new homes,” Spinelli said.
The survey provides baseline information that will help in monitoring any future contamination that might come from new development, he said.
“The main message from this survey is that what we do on the land has an impact on our drinking water,” said Susan Beecher, director of PCCD.

Source:
By Tom Kane, The River Reporter, Volume XXXV No. 36, September 3-9, 2009http://www.riverreporter.com/issues/09-09-03/news-pike.html

Radon in Water Testing - go to
http://astore.amazon.com/studentprojects-20?node=1&page=3

Comments:
1. The source of the radon is a combination of natural occurring radionuclieds in the consolidated and unconsolidated material.

2. The recommendation to check construction sites is not advisable, but the recommendation should be to encourage testing for radon in air and water as part of a real estate transfer and inspection.

3. IT would be advisable to evaluate the data based on both a horizontal variability and vertical variability and by bedrock type