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I am not an expert on fracking either, but, Saudi Arabia has been employing both secondary and tertiary recovery methods in the Ghawar field to date. Tertiary recovery seems to be CO2 gas injection.

Given that lots of the water that comes out of wells is salt water, it is possible that they could use salt water to do the fracking. That might require somewhat different chemistry. But the problem of making money remains. If there is sufficient demand destruction over the next decade then fracking might never be cost effective. But if demand holds it might be at some point. I am hoping for the former on account of the environmental effects.

"It is not necessary to have hope in order to persevere."

by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Wed Aug 21st, 2019 at 07:05:56 PM EST
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