Nimin
Resources
is
trying
to
convince
people
to
think
about
oxygen.
The
idea
of
pumping
oxygen
downhole
has
been
around
since
the
1920s
but
initial
tests
used
ambient
air,
which
is
heavy
in
nitrogen,
an
element
that
does
not
dissolve
in
oil
and
contributes
little
to
the
reservoir
drive.
“It
worked
in
some
cases
and
in
some
cases
it
failed
miserably,”
Nimin
chief
operating
officer
Scott
Dobson
says.
Nimin
takes
pure
oxygen
and
mixes
it
with
a
small
amount
of
water
and
surfactant
to
create
foam.
The
foam
bubbles
surround
the
oxygen
molecule
with
water,…