The
formation
-
underlying
the
prolific
Marcellus
Shale
throughout
parts
of
Ohio,
Pennsylvania,
Virginia,
West
Virginia,
Maryland
and
New
York
-
also
holds
an
average
of
940
million
barrels
of
oil
and
about
9
million
barrels
of
natural
gas
liquids,
USGS
said
in
its
first
assessment
of
the
play.
It
is
located
in
the
Appalachian
basin,
the
longest-producing
petroleum
province
in
the
US.
The
estimates
still
pale
in
comparison
to
the
Marcellus,
which
holds
about
84
Tcf
of
gas
-
top
among
plays
the
USGS
has
assessed.
The
Utica
assessment
is…