Estimated
to
contain
between
2
billion
and
3
billion
barrels
of
recoverable
crude,
the
Canol
formation
in
the
Central
Mackenzie
Valley
has
attracted
the
attention
of
some
of
Canada’s
biggest
players,
including
Husky
Energy,
Imperial
Oil
and
Shell
Canada.
An
extension
of
the
Horn
River
basin
in
British
Columbia
and
the
Duvernay
shale
of
Alberta,
the
Canol
shale
is
also
the
source
rock
for
the
nearby
Norman
Wells
oil
pool,
an
area
that
has
been
producing
steadily
since
it
was
discovered
in
the
1920s.
Until
recently,
the
Canol
play
was
virtually
untouchable,
but…