Page 123 - Open-Hole Log Analysis and Formation Evaluation

x
—
r—
=
.
L
z
—

gas
any
Ty
i&
é
source
é
FIGURE
occurs.
section
divided
contacts
Figure
rock
common

6.2
at
/
/
3s
6.4
into
demarkation
wy
S
g
the
£
é
_g
gs
ever-increasing
¢
accumulates
matrix,
s
right ofthe figure
_————
between
three
shows
|
5.
1
rocks migrate
$f?
a
n
gas,
a
z
bottom
between
8
observations
above
each
is
amounts
in
oil,
/
gas
¢
a
is a curve
all
Porosity
oil,
sections.
&
simple
?
FS
and
and
Sf
phase;
The
¢
water,
of water
Y
oil
which
of water
physics
4 ——>
water
as
but
.
and
reservoir
into the reservoir.
and
lab
in.
the
form
the pressure of the fluids in the pore space.
will
depth
overlies
the
Permeability/Porosity Relationships.
water

saturation,
section at the
x
serve
S
containing
After
section
water.

distinct
top
to
$
in
oil
is
In
increases.
become
reservoir,
the
the

layers
wy
and
i
the
F
Core Labs.
&
mainly
Plotted
#
blurred.
with
»
water.
on
oil,
middle
lines
absence
together with a plot

It
explain why this
has
is
Some
By simple gravity segregation,
the
the
sharp
In order to understand the
—
=
a
_
a
|
_
of
of
of
—

A
is
the
the
the
the
1977.
_
water
FIGURE
shape
case
6.3
force
of
simply
water
%
capillary
r(Pw
Plan
contact
surface
2arTcos@
Simplifying
xe
of the
is
7
(p,,
27 cos
circumference
cross-sectional
@
height
=
=
tube
this
-
p,,
View
angle
Pad
of a small
of
a
».
i 35 20 25 30 0 10 15 permission of the Indonesian & Le ¥ 7 = é G — ls 2 = = sy oC —_ 10 sue 3 gs / & Ro ¥ an od g = ¢ ¢ Permeability Md 2 Pec <~_—_-------s—s—s | / F emp — SF = MOUNTAINS PLAINS 100 | = / / = 2 g Ss ) e ¢ w eo x “$s + o ow A « ‘a Pel 109 RESULTS 6. THE PHYSICS OF ROCK/FLUID OF
of
3
is

area
tension,
If
the
the
6,
PRIMARILY
p,)%
of
7,
the
CONTINENTAL
Interrelationships
radius
of
pressure
the
EROSIONAL
glass tube
then,
This
expression
r
(py-pJb
water-saturation
at
=
pressure
the
capillary
vx
x
and
X
X
&
held
will
density
e&
oe
curve
Se
of
be
capillary
&
tube.
: 4 % o % SYSTEMS
ar
¥¢
water
pressure
2
area.
in
Petroleum
is
If,
the
|
at
the
film
differential
equilibrium
air
found
rearranging
TRANSITIONAL
is
at
the
to
we
exactly
we
PRIMARILY
p,
SHELF
acting
the
differential
Association
have
in a beaker of water,
<
transition
CS
have
and
+
support
as
of Depositional Environments.
from
DEPOSITIONAL
¢
a
acting
the
Se
_ooOO
around
oS &
water/glass
0 MARINE
zone,
ee
air/water
eg
¥
YF
o
the
Goetz
ey
&

Vv
across
in figure
ae
Sf
et
counterbalanced
a
Reprinted
column
density
Sg

by
al.

6.5.
interface,
the
consider
by

contact
of
of
inner