Page 163 - Open-Hole Log Analysis and Formation Evaluation

Vertical
Extent
=

y
FIGURE

8.2
Oil-in-Place
are
,
a
’
\
a)
\
LY
Ce
(Generalized Reservoir
Porosity
=
¢
Unit).

ee we ee

ee
mel

in
So
The
well
trap.
An
the
Once
=
depths
extent
divided
nurhber
be
available
Lb
A.
far we
RESERVE
calculated
even
by
recalculate
such
same
oil-in-place
total
oil-in-place
have
mathematical
an
is
a
and
gas,
have
Although
the
conversion
more
SPU-S)b
of stock
units
HCPV
been
the
area.
point
but
used
constant
this
values
of
directly.
point.
as
I i = Sy Water Saturation mathematically, is equal to product summation is in terms of bbl/acre-ft, 4 If the area of the reservoir show a expressed plication and use of the numbers found. If, Expressing or m’/ha gives 1 meter = 10,000 cubic 1 foot = 7757.79 barrels/acre (bbl/acre) numerical barrels/acre or cubic meters/hectares by the t
in
in
4.
of
ESTIMATES
5¢X(1-S,)
number
If,
for
HCPV of 10
A
of HCPV with
Thus,
is
none
rather
fi,
the
mapped
any
of view
summed,
generalized
oil-in-place.
course
tank barrels
of
only discussed
bbl/acre
this
once
dependent
laxly
meter
XbxXA
length
is
oil-in-place
It
the
same
respect
is
area
all
the
that
when
on
to
to
may
generated
since
sum
the
gas
can
method
the
may be
proposed
well,
subsequently,
it
hectare
is
the
be
should
also
known,
the volume
depth
may
changes,
net
the
reserves
can
units
new
be
it
be
be

fundamental,
the
and
be
pay
is
(m’/ha)
expressions
individual
a
the
recovered
substituted
of expressing
which
noted
of
used
requires
is
is
hydrocarbon
for
the
to
from

change
thickness
simple
that
two
information
bottom
of hydrocarbon
¢
oil.
oil-in-place
HCPV
in
b
called
could
(1
the
such
line
-
or
unitless.
from
a
for:
may
may
found
ce
is
matter
units
S,,)
be
term
to
be
becomes
equally
the
of
This,
trap.
extrapolate
areal
#
the
ina
additional
’ as 77,578 bbl/acre.. for example, log data flexibility in the ap-. chosen. simple expedient of a expressed HCPV values for all expressed as a volume times / and is therefore quantity A. Thus, the the reservoir content OIP will be expressed area oil-in-place (OIP), ‘an value contains oil. Ata HCPV = 0.3(1 - 0.4) example, if por