Entries in Hydraulic Fracturing (10)

Friday
May152015

Wide variation found in produced waters from Pennsylvania shale gas wells

Produced water from hydraulic fracturing varies widely from well to well, according to a new study. Researchers from the U.S. Geological Survey (USGS) examined 13 hydraulically fractured shale gas wells in north-central Pennsylvania, and found significant variations in the microbiology and organic chemistry of the produced waters.

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Sunday
Mar222015

Obama administration unveils new fracking rules

The Obama administration said Friday it is tightening rules on fracking with regulations that it says will preserve the oil and gas extraction method while protecting water supplies and the environment.

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Sunday
Mar152015

Toxic chemicals found in California's fracking wastewater

A review of the first publicly available data from chemical testing of hydraulic fracturing wastewater in California has identified high levels of hazardous chemicals.

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Thursday
Feb192015

High levels of benzene, chromium-6 found in fracking flowback

Dangerous levels of cancer-causing chemicals have been found in flowback fluid from hydraulic fracturing operations in California. According to the Center for Biological Diversity, an environmental group, benzene levels over 1,500 times the federal limits for drinking water were found in fracking flowback fluid tests dating back to April 2014, which were obtained and analyzed by the Center. The organization said that benzene in excess of federal limits was found in 320 tests, and chromium-6, another chemical that can cause cancer, was detected 118 times.

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Sunday
Feb152015

California sets out plan to protect aquifers from oilfield fluids

California has proposed changes in the regulation of oil and gas injection wells to protect underground drinking-water supplies.

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Tuesday
Feb102015

Fracking banned in Scotland

Hydraulic fracturing will be banned indefinitely in Scotland, Scottish government ministers announced on Jan. 28. The decision came just two days after the U.K. government ruled out a moratorium but voted to impose new conditions on operators looking to start shale gas extraction.

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Thursday
Jan292015

Tests suspended at Australian fracking site after toxic chemicals found in water

Australia's AGL Energy Limited said on Tuesday that it has suspended production testing at a pilot coal seam gas field after dangerous chemicals were detected in water samples.

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Friday
Jan162015

UK: Shale gas firms face legal requirement to reveal fracking chemical use

Fracking companies will have to reveal the chemicals used in each well and introduce better monitoring of pollution risks for groundwater, after the government accepted proposals put forward by the Labour Party.

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Sunday
Nov092014

Shale firms see risks for OPEC

Saudi Arabia's rivals in shale fields from Pennsylvania to North Dakota to Texas aren't flinching as it wages a price war to reclaim market share and chill competition.The U.S. companies believe they have a lot more staying power than many of Saudi Arabia's OPEC partners, and several producers plan on increasing production.

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Saturday
Nov012014

Concerns loom over offshore fracking's extent, oversight

Fracking, the drilling technique that's driven a boom in land-based shale gas production, has sparked environmental concerns and public outcry, from Pennsylvania to St. Tammany Parish, La. But fracking is also expanding offshore, in the Gulf of Mexico, with hardly anyone noticing.

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