The
Colorado
and
Niobrara-focused
independent
saw
total
proved
reserves
grow
from
861
billion
cubic
feet
in
2010
to
just
over
1
trillion
cubic
feet
in
2011.
Production
increased
26%
to
47.5
billion
cubic
feet
equivalent
for
the
year,
the
company
said.
That
came
on
the
heels
of
an
active
year
of
drilling
200
gross
wells,
including
17
horizontal
Niobrara
wells,
80
vertical
wells
and
190
refrack/recomplete
projects
in
its
central
Wattenberg
field.
PDC
said
it
also
drilled
23
wells
in
the
Permian
Basin
and
17
wells
in
the
Piceance
Basin.
A
joint
Appalachian
venture…