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Originally posted by newsoul
reply to post by PuterMan
I don't know if everyone has seen it, but Yahoo News actually has an article about the 4.7 quake. It even mentions fracking. I don't know how to link to things but I thought I would mention it in case you guys want to take a look at it.
Ausbrooks has said the state Geological Survey was trying to determine whether the current swarm is natural or due to some man-made cause.
Over a 7-month monitoring period, 3237 microearthquakes were detected during primary oil production; no injection operations were conducted. Gross changes in production rate correlate with microearthquake event rate with event rate lagging production-rate changes by about 2 weeks.
The map of microearthquake locations indicated that events occurred in the vicinity of producing wells and away from injection wells.
During a massive hydraulic fracturing experiment carried out at Fenton Hill, New Mexico, 850 microearthquakes, ranging in magnitudes from -3 to 0, were located reliably using arrival times recorded at a set of 5 downhole geophone stations.
Findings of this project suggest that deep saline sequestration in the mid-continent region is not feasible without major financial incentives, such as tax credits or otherwise, that do not exist at this time. However, results of the analysis suggest that enhanced oil recovery with carbon sequestration is indeed feasible and practical for specific types of geologic settings in the Midwestern U.S.