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View Diary: Senate hearing will discuss fracking in California (8 comments)

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  •  Deep injection wells (1+ / 0-)
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    S F Hippie

    are part of the fracking process.  The waste water from fracking is pumped into these deep injection wells.

    Didn't read the article did you?   It makes my point for me.

    What's changed is that the gas industry is using — and disposing of — more water. Waste wells are often deeper than gas drilling wells, down into basement rock where faults are more common.

    And while the quakes are small, Ellsworth says they can happen anywhere.

    "There are stresses that can produce earthquakes basically everywhere in the crust," he says. "And in most of the regions of the U.S., earthquakes don't happen, because those stresses are not changing. But if we have a way of unlocking them, such as by pumping fluid into an area where there is a pre-existing fault, it's possible that we can trigger earthquakes."

    Last I checked San Andreas was a pre-existing fault, and a pretty big one at that.  

    This is your world These are your people You can live for yourself today Or help build tomorrow for everyone -8.75, -8.00

    by DisNoir36 on Tue Feb 12, 2013 at 07:17:04 AM PST

    [ Parent ]

    •  Deep injection is not necessarily part of the... (0+ / 0-)

      ...process.  It's just one way of disposing of fracking waste.  Alternatively, you can haul it away for treatment or use evaporation pools.

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