Page 159 - Open-Hole Log Analysis and Formation Evaluation

-
In
be
the
this
For
only
total
HICPV
HCPV
a
studies,
will
volume;
taken
=
rock
isa
discussed.
of oil
chapter
be
oil-in-place
correlations
$
6,
net
and
hydrocarbon
example,
into
has
reservoir
fraction
X
and
|
a
Two
PERMEABILITY
a
seismic
the
pay
volume
the
of
(1
(OIP)
pore
is
covers
covered
in
35%
-
pay”
the
between
in
gross
in
account
volume
is
units
many
methods
dimensionless
records,
is
S,).
hydrocarbon
the
of
the
volume
question
not
for
porous
reserve
feet
when
occupied
porosity
were
foot
next
the
by
known
hydrocarbon
oil-in-place
section
and
of gas.
mapping,
of 0.35(1
is
reservoir
oil.
(as
fraction, the
is
=
formation
speaking
oil-in-place
from
chapter.
example
at
etc.),
This
of
described.
of permeability
will
units
is
of formation
0.15)
given
15%
a
volume
irreducible
be
ft
then
One
=
delineated
by
recoverable,

of OIP
the
by
detail.
water
useful
estimates
water
down
HCPV
recoverable
rested
are
streaks
other
HCPV.
to
X
We
total
logs;
on
X.
0.3—that
from
feet.
that
is,
feet.
number.
saturation
factors
ft
reserves,
logs
saturation
volume
30%
has
take
empirical
(Si,
was
and
Because
Since
geological
must
reservoir
If the
a
of
of
(dual
a

the
of a
gradient
Estimate
later, iN
Making
Reading
Applying
included:
Definition
will
Estimating
evaluation
Recognizing
example
Refinements
figures
sums
Schlumberger:
of a
not
7.3
from
resistivity
on
BIBLIOGRAPHY
Archie’s
in
“Log
log
of pay
of porous
.
logs.
these
any
of
porosity values
permeability
few basic
and
7.4.
the
figures
way
zone
from
thickness
a
and
relationships
Interpretation
hydrocarbon-/and
alter
in
density
oil
and
itself.
permeable
Charts”
this
sand
porosity
clean-formation
order
another
These
quality
to
zones
estimate
og
basic
(1984).
water-bearing
the
relied
find
. raw logs through to quantitative pay counts. The (HCPV) by _ pore the Porosity define Application _ principles enables and a a water saturation each For SUMMARY by hydrocarbons. rock volume occupied fraction of the defined as the Oil-in-place is pore volumes. to reference with “net pay” necessary to quantify each foot is. It is good or
ft
on
procedures,
zones
oe _. on the example on example can be applie the resistivity
method
analyst
R,, and
Pay)
to
by
the
to
of
is
S,,
steps
be
0.2
work
resistivity gradient
formation
g/cc.
involved
inspection
formation
studied
we
from.