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Comment by Brad on July 19, 2009 at 5:53

I have been on location with this process many times. What you are looking at is a combination of several factors.

1- Yes exaust from the huge diesel engines used to run the pumps.
2- Sand dust that is very minimal.
3- And the largest factor is the huge fans used to cool the diesel engines. There is always a good breeze on location during a frac due to these fans and they stir up alot of dust. I have seen hard hats blown off walking by them.

Comment by Tim on June 8, 2009 at 6:18

That's dust coming from the frac sand you can see it starting at the sand movers.

Comment by TXsharon on June 4, 2009 at 11:17

I think he's talking about a closed loop system for the flowback and emissions NOT the actual pressure in the fracturing process. Two different things.

Comment by Checkmateking on May 26, 2009 at 8:57

Of course it is a closed system, how could they possibly reach the pressures needed for fracturization if it wasn't.

Comment by Concerned on May 25, 2009 at 10:44

it is both dust from the proppants (far right) and engine exhaust (general haze). you have 50+ diesel engines running on locationat any given time.

Comment by TXsharon on May 21, 2009 at 4:57

No it's vapors coming from the hot flowback. It needs more study to determine if the toxins used in the fracking process are going into the air. Our air quality has suffered greatly because of the drilling.

Comment by Checkmateking on May 21, 2009 at 4:50

that's dust