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re: Nebraska Man Offers Fracking Polluted Water To Oil & Gas Commissioners!
Posted on 3/29/15 at 12:37 am to supatigah
Posted on 3/29/15 at 12:37 am to supatigah
I'm not following the above argument about salt water disposal wells being a water table issue. Yes salt water disposal wells are more likely to corrode because of the salt concentrations, but a lot of fluid flow modeling and age dating must be done by a company and the state in order to receive an aquifer exemption. Even getting permitting for a salt water disposal well or disposal well is SUPER difficult. If there were any concerns, the state would not grant disposal use for that well.
For example, we had to prove that a 15,000 vertical well was not connected to an economic aquifer. We had to do carbon dating, fluid flow modeling and a ton of other research through a third party to prove to the state this should be granted an acceptable disposal zone. The process was overly expensive and the formation wasn't even a sustainable, long term water disposal option due to economics. The carbon dating said the water shouldn't outcrop within the next 100,000+ years because they couldn't find the last time it reached this area.
This whole situation also occurred in the most remote of areas. There was less than 1 person per square mile, so I still don't understand why the state was so difficult.
Anyway, I like an intelligent conversation, but I'm burnt out typing on my phone about this topic. I hope people don't have any more questions as I won't be revisiting this tread.
For example, we had to prove that a 15,000 vertical well was not connected to an economic aquifer. We had to do carbon dating, fluid flow modeling and a ton of other research through a third party to prove to the state this should be granted an acceptable disposal zone. The process was overly expensive and the formation wasn't even a sustainable, long term water disposal option due to economics. The carbon dating said the water shouldn't outcrop within the next 100,000+ years because they couldn't find the last time it reached this area.
This whole situation also occurred in the most remote of areas. There was less than 1 person per square mile, so I still don't understand why the state was so difficult.
Anyway, I like an intelligent conversation, but I'm burnt out typing on my phone about this topic. I hope people don't have any more questions as I won't be revisiting this tread.
Posted on 3/29/15 at 12:41 am to EngineerOnDemand
SWDs are an issue but far different reasons. They are prone to corrosion failures and there is data linking them to rolling earthquakes
The injection point downhole is not the issue. It is the tubular failures above the bottom hole that can cause problems.
The injection point downhole is not the issue. It is the tubular failures above the bottom hole that can cause problems.
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