Reservoir Formation Damage Episode 2 Part 4 doc
Reservoir Formation Damage Episode 2 Part 4 doc
... 1970).
326
Reservoir
Formation
Damage
migration,
and
redeposition
of
fine
mineral particles
and
therefore cause
formation
damage (Chang
and
Civan,
1991, 19 92,
1997).
Formation damage ... Chatelier principle. Because
H
2
O
46
44
42
~
40
Q
01
3
38
O
V)
< ;2
s
20 0«F
C)
DISSOLVED
CALCIUM,
MMOLE/B
Figure
13-1.
Natural
and
induced
scale
damag...
Reservoir Formation Damage Episode 2 Part 3 doc
... =
0.1136
cm-
3
,
R
2
=
0.8713
( 12- 84)
C
=
0.0034cm
4
/min,
D =
0.0076cm,
R
2
=
0. 949
( 12- 85)
A
=
0. 022 9
cnT
2
,
B =
0.0003
cm/min,
R
2
=
0.9873
( 12- 86)
The
coefficients
... 12- 92
to
12- 96 into Eqs. 12- 87
to
12- 90 leads
to
the
following volumetric balance equations, respectively (Civan, 1999b):
dt
( 12- 97)
dt
e
p2s
]
=
2r
c
N°
p2s
( 12- 9...
Reservoir Formation Damage Episode 2 Part 8 doc
... flux in the
plugging pathways
is
given
by:
=u-
( 14- 43)
( 14- 44)
( 14- 45)
( 14- 46)
( 14- 47)
( 14- 48)
41 6
Reservoir
Formation
Damage
Well
Reservoir
radial
drainage
area
•w
Enlarged
section
... Messaoud
id.
id.
id.
Petrophy
0%
13.1
13.6
13.7
8
24 .7
24 .3
26
22 .6
22 .6
23
7.1
sical
data
K
H
(mD)
107
87
77 .4
6
29
12. 2
73
15 .2
1.1
2
0.67
Injection rat...
Reservoir Formation Damage Episode 1 Part 3 docx
... porosities:
(2- 25)
(2- 26)
subject
to
Integrating
Eqs. 2- 25
and 26
yields:
In
(2- 27)
from
which
the
porosity variation
by
swelling
can be
expressed
by:
50
Reservoir
Formation
Damage
Fabric
... Figures
2- 22
and
2- 23
show
the
correlation
of
their data with
Eq.
2- 22
using
Eq.
2- 6.
The
best matches
of the
data
Mineralogy
and
Mineral
Sensitiv...
Reservoir Formation Damage Episode 1 Part 4 ppsx
... Petrol.
Geol.,
Vol. 36 (2) , 19 52,
pp.
25 3 -27 7.
62
Reservoir Formation Damage
and
the
surface area
and
surface area based diameter,
d
A
,
are
given,
respectively,
by:
1 /2
(3-30)
Note that
... pp.
27 9 -29 2.
Davies,
D. K.,
"Image Analysis
of
Reservoir Pore Systems: State
of
the
Art in
Solving
Problems
Related
to
Reservoir Quality,
SPE
1 940...
Reservoir Formation Damage Episode 1 Part 6 docx
... anions such
as
Cl~,
HCOj,
CO;
2
,
SC> ;4
2
and the
cations such
as
K
+
,
NA
+
,
Ca
+2
,
Ba
+2
,
Mg
+2
;
(2)
mole-
cules
such
as
CH
4
,CO
2
,H
2
S,
N
2
,
molasses, polymers, surfactants,
... Processes
120
Reservoir
Formation
Damage
CP2-CONTROL
CP3
-
NIPER
BAG
-1
LOG
-—
=
0739
20
30 40 50
70
20 30 40 50 60 70 20 30 40 60 60
Swi,...
Reservoir Formation Damage Episode 1 Part 8 doc
... Damage
dR
Ml
=
•A\
_
(8 -43 )
p
_
*^M 12
_
T,
poA
_
T,
pP^
^ 12
./^
,
x^^Al^Al
/
M2
y
M 12
(8 -44 )
\
-*
A2
_
.
4
—
"
4
9
**•
4
1
"7
(8 -45 )
?i
A1
and
A-
A2
are
some rate ... that
(9-15)
V
=
-nr
3
3
A
cw
=
47 1
r
2
(9-16)
Eq.
9- 14
can be
written
as
AG
(r)
= -
7cr
3
(AG
v
+
e)
+
4jcr
2
a
c
(9-17)
1 62
Reservoir
Formation...
Reservoir Formation Damage Episode 1 Part 9 docx
... condition
Then, solving Eqs. 10 -20
and
21
yields:
(10 -20 )
(10 -21 )
(10 -22 )
k
c
is the
pore filling particles resistance rate constant.
Single-Phase
Formation
Damage
by
Fines
Migration
and
... area covered
by the
particle deposits,
A , as
ty
=
A
f
/A
(10 -25 )
$
0
=A
fo
/A
(10 -26 )
e
p
=A
p
/A
(10 -27 )
Substituting
Eqs. 10 -25
through
10 -27 ,
Eqs. 10 -23...
Reservoir Formation Damage Episode 2 Part 1 ppsx
... SPE
Paper
No.
1 623 5,
Proceedings
of the
23 4
Reservoir Formation Damage
80
~
M
E
a.
E
40
0 .29
100
20 0
300
40 0 500 600 700
PORE
VOLUMES
800
900
1000 1100
Figure
10 -28 .
Effect
of
fluid ... Formation Damage
in
Petroleum
Reservoirs,"
SPE
19 42 0
paper, Proceedings
of the
1990
SPE
Symposium
on
Formation Damage Control, Lafayette, Louisiana...
Reservoir Formation Damage Episode 2 Part 2 ppsx
... 12- 2, 12- 9,
12- 46 ,
and
12- 48
into
Eq.
12- 45
results
in
(1999a)
dt
r
w
-8
'
where
( 12- 49 )
^yp^
( 12
~
50)
and
B is
given
by Eq.
12- 13.
The
initial condition
for Eq.
12- 49
... Modeling
27 1
K
c
L
f
)aK
f
( 12- 22)
aK
( 12- 23)
Alternatively,
eliminating
(p
c
-p
e
]
between
Eqs. 12- 18
and
12- 19
and
then solving
for 8
yields:
aK
t
5
=
i-...
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