Page 161 - Open-Hole Log Analysis and Formation Evaluation

146
I.
38
72
34
Sy
Sw
0.5
R,
the
We
500
the
bay
ft
ft
2500
ft
rock
GOC
=
=
=
water
=
+
30/100
is
md
follows
O/ft,
net
net
md
pore
rock
Answers
QUESTION
need
QUESTION
=
at
QUESTION
including
QUESTION
QUESTION
QUESTION
QUESTION
QUESTION
QUESTION
QUESTION
QUESTION
of net
0.18
the
35%
185.5/2.65,
oil
gas
that
24.7%
14.4%
to
METHODS
its
to
0.3,
#7.9
#7.6
#7.8
#7.5
#7.7
#7.4
#7.1
5314
hence
#7.2
#7.3
pay
itself

#7.10
pay
removed
the
#7.11.
pay
or
volume
ft
pores
Text
is
which
pores
700
is
know
.
from
30%.
and
md
(215.5
volume
gives
thus
two
given
the
-
the
70
by
100
Questions
cc
of the
its
cc.
things:
of
185.5)
sample
volume
water
The
dry
the
gat
1
weight
of the
rock.
OF ANALYSIS AND APPLICATION
equals
g/cc
volume
porosity
OF
pore
=
This
the
entirely-filled
divided
of
space
by
30cc.
total
the
pore
of this
the
RESULTS
its
The
itself.
pore
rock
system
volume
volume.
is
Since
of
density
space,
volume

thus
sample
the
the
Thus,
or
it
of

V
in
In
or
the
the
A
oil.
vary
VAT.
So
=.
Thus,
OIL-
been
Fofi
This
well.
which
order
only
acres,
“HCPV
these
block
It
meters
the
merely
at
far
is
deduce
is
=
records
to
on
deduced
units
reservoir
of
certainty
many
4A.
Consider
the
more
Saturation
The
AND
and
subsurface
end
up
many
the
estimation.
of
calculation
CHAPTER
In
any
gas-in-place
and
log
A
figures
chapter
summary,
the
S,,.
undoubtedly
that,
laterally
measurements
to
It
is
V.
¢(1-
in
from
oil-in-place
size
in
wells.
fractions
a
to
defined
trap.
is
this
If
porous
end
considered.
produce
data
for
actual
is
will
general
other
and
depth
The
as
that
of
thickness
help
EIGHT
Sy).
reservoir
and
a
log
In
logs
analysis,
1.
A
Vis
others
RESERVE
terms
should
and
only reservoir
of
in
case,
rock
in
is
case
users
to
a
cover
reserves
hectares,
be
the
the
means
GAS-IN-PLACE
logs
the
therefore
volume
has
shape
actual
Dipmeter
of
units
example,
the
Correlation
analyst
volume
a
expressed
circumstances
at
of
well,
vertically.
then
the
would
oil-in-place
of
a
noted
V.
log
in
data
only
defining
units
of oil
expressed
10%
A
if
can
volume V is
requires
be
in
If
Vis
delineated
reserves
in
of
determine
the
of
that
logs
»
will
the
computations
say
as
to
of bulk-volume
volume
of
reservoirs,
data,
both
ESTIMATES
is
depicted
constant
define
the
more
the
such
useful
V,
also
independently
from
reservoir
cubic
concentration
a
mathematics
same
band
size,
available.
from
in
the
a
exist
with
the
both
A
size
hydrocarbon
be
expressed
than
of
a
accurate
expressed
are
feet
and
fractions.
depicted
in
logs
porosity
volume
of log
many
in
units,
over
See
block
or
figure
logs
shape,
must
measured
in
single
is
of
an
but
The
hydrocarbons
porosity
porosity and
ESTIMATION
and
data
porosity
a
be
in
reserve
wells
quantity-for
since
and
in
@,
on
cubic
6V
alone
area
@
most
figure
in
delineated
and
acre-feet.
feet
reasonable;
(1
pore-volume,
of assistance.
concentration
A
philosophy
the
a
bottle
can
hydrocarbon
-
figures
If
or
by
8.2.
other
limits
and
is
of
of the bottle and
gathered
anda
saturation
and
in
meters
such
saturation
hectare-meters.
in
S,,
is
of
rely
considered
Sy)
oil-
data
HCPV,
the
are
oil-in-place
have
saturation
in
Ain
Some
are
that
in
then
in
water
8.1..A cylindrical
degree of
However,
one
provide.:
reservoir:
or,
extrapolation of
full of
not
field will
the’
important
hence
as
seismic
of reserve