Page 148 - Open-Hole Log Analysis and Formation Evaluation

of
this
Our
and
Low
Good
no
sifting
coding
Relative
porosity
showing
SP
chapters
step
by

discard
ofSand
gamma
starting
that
and
of the
only
and
can
Billion
LITHOLOGY
further
about
Reservoir Rocks
ray
the
be
from
data
porosity
trace
a
the
separation
those
splitting
follow
Grains
,
left
and
will
it
point will
development
gas
: that foll hapters review of logs. Our a sort this the Let us review also for calculation of the making available for know to these four space. From into volume than saturation less water saturation shows and porosity content Track 1 shows shale From four tracks. into transition zone leads both containing bottom, shows a shale “answer”
how
of
interest
will
to
further
be
be
will
steps
50%;
,
logged
permeability
cap
as
to
will
Sand
distribution
sections
: add : cover all log that went hydrocarbon decisions about column. tracks, the three Track 4 and of fluids and the right: a an and section over a 7.2, of figure |
(i.e.,
of resistivity
accomplished
be
that
attention
water
many
by
inspect
analyst
permeability.
the
follows:
oil
the
All
curves
are
‘
the
shales
the
gives
The
the
into
depth
analyst
, Oil OF RESULTS APPLICATION
taking
of
a
the
highlights
column.
parts
a
within
and
porous
4 Gallon
components,
section
basic
may
column.
refinements
we
logged
;
criteria
reserves.
The
permeability;
the
Flat
and
High

nonreservoir
evolving
column
picture
do
completion
that
SP
proceeds when
sand,
marker
Stacked
log
steps
necessary
of
an
used
intervals
pore
Below
has
deduce
not
is
Track
and
column,
evaporites
2
pen
for
shows
rocks).
interest—that
the
gamma
all
a
the
shale,
with
ra
permeable
space;
As
been
is,
studying
want.
a
he
this
answer
and
from
oil
with
a
resistivity
a
bulk
and
.
involved;
divided
testing
shows
Nonreservoir Rocks
log
top
information
Track
leg,
gas flag;
visual
rule,
those
and
Zones
is
the
suite
logged
zero
the
3
color
needs
pore
a
section
to
into
water
rock
of
curves
: i : 135 .

.
"
Top.
FIGURE
PERM.
.
VSHALE
ce
i
.
:
:
.
7.2.
Oil/Water
. Een 7. BASIC CONCEPTS
-
*
Permeability
Transition Zone
Contact
: | (x) PHI#SXO (x) PHISSW Powe OF LOG ANALYSIS
Generalized
Residual
Hydrocarbon
Water
Filled
0
Movable
“Answer” Log.
Hydrocarbon
Sw
' sae
on

.
Pore Space VSHALE poe