Southwestern
said
in
its
fourth-quarter
earnings
report
that
it
had
completed
its
first
well,
the
Roberson
18-19-1-15H,
this
month
to
a
total
depth
of
about
9369
feet
with
a
3600-foot
horizontal
in
Columbia
County,
Arkansas.
“The
lateral
was
landed
in
the
lower
third
of
this
zone
and
subsequent
core
analysis
indicated
this
section
had
some
of
the
lowest
permeability
in
the
entire
interval,”
the
company
said.
The
well,
which
has
been
producing
from
eight
of
11
fracture
stages,
flowed
103
barrels
of
oil
per
day
at
its
peak,
as…
