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Continue Monitoring ‘Fracking’ at Wells

July 21, 2013

A U.S. Department of Energy study concluding possibly hazardous chemicals used in hydraulic fracturing, or “fracking,” at gas and oil wells does not pollute groundwater is good news....

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mikeyd

Jul-24-13 10:54 AM

i thought that the gas was stuck in the rock and it had to be fractured to release it.

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idliketoknow

Jul-22-13 3:46 PM

mikeyd, the fluids would never make it out of the Devonian shales much less the Mississippian formations. The porosity and permeability just isn't adequate for that type of migration. There is a reason the gas has been trapped in place for so long...

oldsteelmaker, close but not quite. Explosives are still used to perf the casing in the pay zone. The difference in todays drilling is the ability to drill directionally. Hydraulic fracturing has remained basically the same with changes being in fluid composition.

Believe it or not, they used to use wood casing in oil and gas wells.

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mikeyd

Jul-22-13 9:49 AM

stick a sponge into a glass of water and watch the water defy gravity.it's wicking.

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oldsteelmaker

Jul-21-13 3:12 PM

BTW, you might be interested to know, the Oglala Aquifer that everyone was so worried about in Nebraska for the Keystone pipeline, has several thousand wells drilled through it and over 5000 miles of gas and oil pipelines sitting on it right now. Some of those pipes are 50 years old. So when someone tells you a new line, built to the highest current standards is too dangerous, ask them if it's any more dangerous than all those other ones.

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oldsteelmaker

Jul-21-13 3:11 PM

There's a huge amount of misinformation out there about fracking. For one thing, fracking of one form or another has been happening since they started drilling wells. The big difference is more recently it's done with hydraulic pressure, not explosives. Most of the chemicals in frack water are there for the same reason you put them in swimming pools, to kill algae, bacteria and protozoans. Too much of any of these can plug the well. The main source of leakage to ground water is not down in the fracking zones, but near the surface. ANY well, not just a frack well, can leak there if it's not properly cased.

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