Oklahoma adds more counties to earthquake list
Letters were sent last week to 92 companies holding permits for waste-water disposal wells directing them to provide evidence that their wells are not at a depth most likely to trigger earthquakes.
View ArticleStudy links swarm of quakes in Texas to natural gas drilling
In 84 days from November 2013 to January 2014, the area around Azle, Texas, shook with 27 magnitude 2 or greater earthquakes, while scientists at Southern Methodist University and the U.S. Geological...
View ArticleXTO Energy asked to show it’s not causing Texas quakes
Texas officials remain unconvinced about direct links — even as neighboring Oklahoma embraced research showing wastewater wells were likely causing quakes in that state.
View ArticleMega injections of wastewater triggered more quakes, study says
Wells that pumped more than 12 million gallons of saltwater into the ground per month were far more likely to trigger quakes than those that put lesser amounts per month, the study from the University...
View ArticleDutch government cuts gas drilling in quake-hit region
Economic Affairs Minister Henk Kamp announced Tuesday that production in the Groningen region this year will be brought back to 39.24 billion cubic yards of gas from the previously announced maximum of...
View ArticleOklahoma woman blaming fracking wastewater for quake can sue
Oklahoma, a region not known for seismic activity, has experienced a rash of earthquakes since 2009, the same year area oil companies began using hydraulic fracturing, or fracking, to shatter deep rock...
View ArticleTexas regulators find no evidence for link between EnerVest disposal well and...
The ruling is a victory for well's operator EnerVest Operating LLC, which had found its permit for the well at risk following a string of earthquakes and a report by Southern Methodist University...
View ArticleTulsa oil company to discuss earthquake response with Oklahoma regulators
The Oklahoman reports Marjo Operating Co. Inc. and staff for the Oklahoma Corporation Commission agreed during a hearing Tuesday to meet by Oct. 27 to discuss a dispute over reduced disposal well volumes.
View ArticleKansas extending fracking limits over earthquakes
The restrictions had been set to expire in September, but the commission's staff recommended continuing them after a drop in the number and intensity of earthquakes in the spring and summer.
View ArticleTexas regulator maintains gas company permits despite quakes
The commission previously ordered hearings after a university study suggested the companies' wells were responsible for quakes that shook Reno.
View ArticleCompanies asking Oklahoma judge to toss earthquake lawsuit
Energy companies claim the litigation could cripple oil and gas production in Oklahoma, a state tied to the industry. Regulation proponents say the lawsuits could result in safer drilling practices.
View Article4.3-magnitude earthquake rattles central Oklahoma
The quake struck at 5:39 a.m. near the city of Edmond, which is a suburb north of Oklahoma City, according to preliminary data from the U.S. Geological Survey.
View ArticleOklahoma residents sue oil and gas companies over earthquakes
The lawsuit alleges that the companies were negligent in disposing of saltwater waste from their drilling activities in the area without considering the risks of inducing seismic activity.
View ArticleOklahoma officials, company try settling disposal well fight
The Oklahoma Corporation Commission issued a voluntary directive to a dozen energy companies Dec. 3 after the Medford and Cherokee area felt a swarm of earthquakes, including a 4.7-magnitude quake.
View ArticleOklahoma regulators order reduced injection well volumes after quakes
The Oklahoma Geological Survey has said it is "very likely" that most earthquakes are triggered by the subsurface injection of wastewater from the drilling operations.
View ArticleMore quakes rattle Oklahoma, but state avoids tough measures
The quakes, which have been mostly small to medium sized, have caused limited damage, and no one foresees anything like the massive damage and deaths in the famous quakes in California, seismologists say.
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