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Tulsa Geologist: There’s No Mystery In Oklahoma Earthquakes – NewsOn6.com

For all those people that want fracking and for that matter all methods of oil and gas production to stop… turn off your electricity and only use it 20% of the time… don’t drive your car and start collecting fire wood… cause the 20% use of electric is about what is available with out oil,gas and coal, and the rest you won’t have anyway with out oil… oh and you might learn how to garden and hunt as well… Just my 2 cents..

Locally I have heard from a few geologist that some of the earthquakes might be “helped along” by some long standing disposal wells that the produced water is being disposed into.  This is now that they are pumping that water at a reasonable pressure… In my oilfield experience most areas the oil company wants disposal wells into high loss zone not under pressure but some do have to pump it away and if there is underlying stress in the substructure then the added disposal water might be helping lubricate and act as the final push on something that was there already…   again just my 2 cents from a very limited amount of real knowledge…

WD0AJG

http://m.newson6.com/story.aspx?story=15971637&catId=112042

Dr. Bryan Tapp is a structural geologist at the University of Tulsa; basically he studies how rocks move beneath the earth’s crust. He says Oklahoma has small earthquakes every day.

"We are still under a region that is trying to shift, but it is relatively slow," said Dr. Bryan Tapp, Ph.D.

Dr. Tapp says you can blame this on events that first happened 300 million years ago. He says when the Wichita, Arbuckle, and Ouachita Mountains were formed, the ground rose up. But just north of the Wichita and Ouachita Mountains the ground sunk and formed the Anadarko and Arkoma basins.

This action caused a fault line to form between the two basins, that fault line is where the epicenter to these large earthquakes is located. He says the earth is still trying to relieve pressure from those long ago geologic events.

"So we just seem to be relaxing, just slightly, over time," he said.

One thing he’s positive of: this mess was not caused by fracking.

"There’s no way that this particular fault or this particular earthquake could have been activated by oil field activity; there’s just no evidence of that," said Dr. Bryan Tapp, a structural geologist.

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