GMX
said
the
Johnston
31-4-1H
well,
in
which
it
had
a
55%
working
interest,
was
completed
as
a
34-stage
frac
Middle
Bakken
producer,
achieving
a
peak
rate
of
1479
barrels
of
oil
per
day.
The
well
was
drilled
to
a
measured
depth
of
20,979
feet
with
a
lateral
length
of
8869
feet.
A
seventh
operated
well,
the
Fairfield
State
21-16-1H
in
Billings
County,
North
Dakota
was
spudded
on
13
May
and
had
been
drilled
to
a
total
measured
depth
of
20,979
feet
with
a
lateral
length
of
9510,
the
company
said.
GMX,
which
has…