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
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.
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?
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.
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...
Shale drilling and lithium extraction are seemingly distinct activities, but there is a growing connection between the two as the world moves towards cleaner energy solutions. While shale drilling primarily targets…
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