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SPE-114793-TubingConveyedSRP

Nomenclature 
CAOF Calculated Absolute Oil Flow, B/D 
DST Drill Stem Test 
K Reservoir rock permeability, md 
h Pay zone thickness, ft 
TCP Tubing Conveyed Perforating 
P
r
Reservoir pressure, psi 
P
u
Underbalanced pressure, psi 
P
wf
Downhole wellbore pressure, psi 
Subscripts 
r reservoir 
wf downhole wellbore 
u underbalanced 



SPE 
114793 
Fig. 1. Location map for Egyptian oil fields (Naguib et al, 2000) 


Fig. 2. Casing gun 
Tubing or drill pipe 
Casing 
Packer 
Gun 


SPE 114793 

Figure 2- Production comparison of underbalanced 
tubing conveyed perforated well- (well M-31) and 
conventionally perforated well ( well M-10)
0
200
400
600
800
1000
1200
Aug-93
Mar-94
Sep-94
Apr-95
Oct-95
May-96
Dec-96
Jun-97
Jan-98
Production Time (month)
G
ros
s
 P
rodu
c
ti
on 
(b
pd)
Well, N-10
Well M-31
Producing Formation is B-1, IV
W. C. Range for well M-31 = 0.0 -25 
W. C. Range for well M-10 = 0.0 - 93
Fig 3 Production comparison of underbalanced tubing conveyed perforated well- 
(well A-13) and conventionally perforated well ( well A-8)
0
100
200
300
400
500
600
700
Aug-93
Mar-94
Sep-94
Apr-95
Oct-95
May-96
Dec-96
Jun-97
Jan-98
Jul-98
production Time (Month)
G
ro
s
s
 P
rod
uc
ti
on
 (
b
p
d
)
Well A-8
Well A-13
Producing Formation is BIV+V
W. C. Range for well A-8 = 0.12 - 1.3 
W. C. Range for well A-13 = 1.5 to 84.3



SPE 
114793 
Fig 4 Production comparison of underbalanced tubing conveyed 
perforated well- (well NE-11) and conventionally perforated well ( well NE-14)
0
100
200
300
400
500
600
700
800
900
Aug-93
Mar-94
Sep-94
Apr-95
Oct-95
May-96
Dec-96
Jun-97
Jan-98
Jul-98
Feb-99
Production Time (Month)
Gr
oss Pr
od
ucti
o
n
 (
b
p
d
)
Well NE- 11
Well NE-14
Producing Formation is BIV+V
W. C. Range for well NE-11 = 4.5 - 13 
W. C. Range for well NE-14 = 0.0 - 0.5
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