Course Lecturer: Dr Harrison Osei
FACULTY OF
MINERAL RESOURCES TECHNOLOGY
Department of Petroleum Engineering
ENHANCED OIL RECOVERY
(PE 376)
Compiled By
Eric T. Brantson (Ph.D.)
Course Lecturer
Harrison Osei (Ph.D.)
MAY, 2022
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 S w − S wi 
krw = krw @ Sorw 

 1 − S wi − Sorw 
 1 − S w − Sorw 
kro = kro @ Swi 

 1 − S wi − Sorw 
N
N
 1 − S g − S wi − Sorg
kro = kro @ S gi 
 1 − S wi − Sorg




N
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krg = krg @ Sorg

S g − S gc

 1 − S wi − Sorg − S gc
 S w − S wi 
krw = krw @ Sorw 

 1 − S wi − Sorw 
 0.3 − 0.2 
krw = 0.15 

 1 − 0.2 − 0.2 
3.5
N



N
 1 − S w − Sorw 
kro = kro @ Swi 

 1 − S wi − Sorw 
 1 − 0.3 − 0.2 
kro = 0.9 

 1 − 0.2 − 0.2 
N
3.5
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kro = 0.4755
krw = 0.000284
 1 − S g − S wi − Sorg
kro = kro @ S gi 
 1 − S wi − Sorg




N
krg = krg @ Sorg

S g − S gc

 1 − S wi − Sorg − S gc



N
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Figure A
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V
M
55% C
L
9% B
36% B
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Immiscible displacement
Miscible displacement
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Pressure Gauge
Sight Gauge
Glass Tube
Oil
Gas
Oil
Water
Injection pump
Gas
Hollow Needle
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34 − 32
3557.55 − x
=
44 − 34 2749.74 − 3557.55
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(4.4)
(4.5)
(4.6)
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(4.12)
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T cM
T cM
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T cM
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Eq. (4.14)
Eq. (4.15)
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Figure a
Figure b
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Screening of EOR process. Use screening tables. Select
processes that meet screening criteria.
Quick economic evaluation of selected process. Rank
EOR processes based on economics and technology.
Is process feasible
and economic?
No
Elimination process.
Yes
Select two or three processes. Conduct geologic and reservoir
modelling of selected processes. Perform process design of
processes. Initiate laboratory work.
Expanded economic evaluation of selected processes
based on modelling.
No
Select most
economic and
feasible process.
Elimination process.
Yes
Is pilot testing
No
Start phased or field-wide
implementation of project. Initiate
project management.
needed?
Conduct pilot testing. Evaluate/analyse
pilot test
Yes
data/results.
Is pilot test
successful?
Yes
No
Review pilot design. Any critical flaws?
If not, terminate project.
Upgrade geologic and reservoir models with pilot test
data/results. Predict injection rates, production rates
and recoveries. Run uncertainty and sensitivity cases
with simulation model.
Final detailed economic evaluation with results from
simulation runs and pilot test.
Is EOR process
feasible and
economic?
Yes
No
Review pilot test data/results. Any critical
flaws in pilot design? Is process still viable? If
not, terminate project.
Initiate field-wide implementation of project.
EOR process project management.
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