http://news.yahoo.com/4-0-earthquake-strikes-us-033538163.html
McDONALD, Ohio (AP) — Officials said Saturday they believe the latest earthquake activity in northeast Ohio is related to the injection of wastewater into the ground near a fault line, creating enough pressure to cause seismic activity.
Tags: earthquake, fault, injection, line, wastewater, well
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Permalink Reply by The_Baron on its not just frack wate rthat has to be disposed of. We operate a well that makes 18 bbls of water for every bbl of oil. Without our SWd we would have to plug the well.
Permalink Reply by P.G. on Isn't injecting waste water similar to fracking only at shallower depths...?
Water can't be compressed so something has to give if it's forced into the earth right?
Permalink Reply by The_Baron on wrong.
Normally you inject into a formation that has high perm and porosity. The water moves into the pores in the rock. The trouble begins if you have faults in the formation, the water can act a a lube and cause those faults to slip. It looks like they were injecting to much water under too much pressure which could be forcing the water into these faults. (my non-geologist explanation)
We operate a Salt water well that actually takes the water on a vacuum. We joke that if we knocked off the wellhead it would suck in our atmosphere and we'ed be living like Spaceballs.
Permalink Reply by Hopeful About Natural Gas on Here is Scientific American's story about the Ohio earthquakes. They are setting up a series of articles to look at earthquakes from fracking. Not good news, but perhaps important. There are scientists who says that natgas is not causing the earthquakes, but it will be awhile before things are sorted out.
http://www.scientificamerican.com/article.cfm?id=ohio-earthquake-li...
In researching the decades-old Tuscaloosa Trend and the immense wealth it has generated for many, I find it deeply troubling that this resource-rich formation runs directly beneath one of the poorest communities in North Baton Rouge—near Southern University, Louisiana—yet neither the university ( that I am aware of) nor local residents appear to have received any compensation for the minerals extracted from their land.
This area has suffered immense environmental degradation…
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