Chapter 12 Basics of Wireline Logging & Interpretation
10
Applied Reservoir Geology Chapter 12 Basics of Wireline Logging & Interpretation Copyright 2009, NExT, All rights reserved
Transcript of Chapter 12 Basics of Wireline Logging & Interpretation
Applied
Reservoir
Geology
Chapter 12
Basics of Wireline Logging & Interpretation
Copyright 2009, NExT, All rights reserved
Applied
Reservoir
Geology
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Applied
Reservoir
Geology
The Early Years—1912–1927
1912: Conrad conceives the
idea for electrical
measurements
1919 M l j i hi
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1919: Marcel joins his
brother–first work in
Normandy
1921: Office opens in Paris,
rue Saint–Dominique
1927: First electrical
downhole log in
Pechelbronn, France
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Geology
First well logs recorded in 1927
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Applied
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Geology
Modern Logging Truck
Modern Surface equipment :
High powered computers
Controls downhole logging
Changes signal configuration to
obtain acquisitions
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obtain acquisitions
Includes surface database to
optimise results and for well0to0well
correlations
Used also for forward0modelling
Includes also all the well
configurations0 depth, casing,
formations, etc..
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Geology
Logging Tools Modern ToolsSensors used in modern logging:
Electrical
Electromagnetic
Magnetic Flux Induction
A i
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Acoustic
Ultrasonic
Nuclear: Neutron
Nuclear: γ- Rays
Nuclear: Nuclear Magnetic
Resonance Imaging (MRI)
Every potential signal source have been used in modern0day logging
Applied
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Geology
16001600
Modern logs have more
measurements but the
principle is the same
Shading is often added to
k th l i
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G am m a R ay (G R )
0 (G A P I) 150
S P (S P )
0 (M V ) 200
FX N D
50 (P U ) 0
1:220 Ft P ad
-180 180
R t from H A LS
R X 18
1 1000
1 1000
Rt from A ITH
1 (O H M M ) 1000
M ud R es ist iv ity f rom H A LS
1 1000
M ud R e s istiv ity from A ITH
1 (O HM M ) 1000
A H TP R
5.007.75
12 .0118 .6228 .8544 .7269 .81
107 .43166 .51258 .08400 .00
90 0 90
1700
G am m a R ay (G R )
0 (G A P I) 150
S P (S P )
0 (M V ) 200
FX N D
50 (P U ) 0
1:220 Ft P ad
-180 180
R t from H A LS
R X 18
1 1000
1 1000
Rt from A ITH
1 (O H M M ) 1000
M ud R es ist iv ity f rom H A LS
1 1000
M ud R e s istiv ity from A ITH
1 (O HM M ) 1000
A H TP R
5.007.75
12 .0118 .6228 .8544 .7269 .81
107 .43166 .51258 .08400 .00
90 0 90
1700
G am m a R ay (G R )
0 (G A P I) 150
S P (S P )
0 (M V ) 200
FX N D
50 (P U ) 0
1:220 Ft P ad
-180 180
R t from H A LS
R X 18
1 1000
1 1000
Rt from A ITH
1 (O H M M ) 1000
M ud R es ist iv ity f rom H A LS
1 1000
M ud R e s istiv ity from A ITH
1 (O HM M ) 1000
A H TP R
5.007.75
12 .0118 .6228 .8544 .7269 .81
107 .43166 .51258 .08400 .00
90 0 90
1700
make the log curves easier
to read.
Additional outputs can be
made:
Invasion Profiles
Facies
Layering
Laye
ring
Fac
ies
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Geology
�����!��������� �������"Wireline Logging.
LWD (Logging While Drilling)
Logging on Drill Pipe (TLC) � ����
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Applied
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Geology
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Applied
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Geology
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