Update On EOG's Waterflooding Experience In The Bakken
From
a recent EOG presentation:
Specifically on the waterflood, we have a waterflood pilot going on
now in the Bakken and there has been a bit of -- quite a bit of studies
from the universities and we have done our own in-house study. And when
you put water on the Bakken, it absorbs the water and it expels oil, in
the lab. So that's good in the lab but you got to figure out how to do
it in the field. And we did our first pilot on our -- when we were on
our 640 acres between spacing, one well per section and basically, we
just did not get any answers there.
It basically told us that 640 acre
spacing is much too wide to try that kind of process.
So as we go
into the core well per section, kind of senior that we're in now and
we're doing a better job with the frac connecting up more reservoir,
we'll go back in and retry these waterflood efforts there. But I think
we're optimistic that in the better plays, again that's the advantage of
having a better rock, the better the rock is the more conducive it is
the secondary recovery. So in the Eagle Ford, we're doing dry gas
injection pilots there and in the Bakken we're doing a waterflood pilot.
So in at least those two plays we're optimistic that we'll find some
mechanism to enhance the recovery over time. We haven't proven it yet
but that is a process we're very much engaged in.
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