Log Type
|
Code
|
|
|
Code
|
Curve Type
|
Units
|
(Base Log)
|
|
|
|
|
10
|
Self Potential
|
millivolt
|
1
|
30
|
Single Point Resistivity
|
ohm metre
|
1
|
40
|
Short Normal
|
ohm metre
|
1
|
41
|
Short Normal, Amplified
|
ohm metre
|
1
|
60
|
Long Normal
|
ohm metre
|
1
|
61
|
Long Normal, Amplified
|
ohm metre
|
1
|
69
|
Ultra Long Normal
|
ohm metre
|
4
|
70
|
Lateral
|
ohm metre
|
1
|
71
|
Lateral Amplified
|
ohm metre
|
1
|
80
|
Limestone
|
ohm metre
|
1
|
110
|
Induction Conductivity
|
millisiemen/metre
|
5
|
111
|
Induction Conductivity Amplified
|
millisiemen/metre
|
5
|
120
|
Induction Resistivity
|
ohm metre
|
5
|
121
|
Induction Resistivity Amplified
|
ohm metre
|
5
|
130
|
Attenuation
|
decibel/metre
|
9
|
132
|
Dielectric Constant
|
farads/metre
|
9
|
134
|
Electromagnetic Propagation
|
nanoseconds/metre
|
9
|
150
|
Collar Locator
|
86
|
152
|
Pipe Analysis
|
86
|
180-195
|
Local Option
|
|
210
|
Focused Conductivity
|
millisiemen/metre
|
10
|
211
|
Focused Conductivity Amplified
|
millisiemen/metre
|
10
|
220
|
Focused Resistivity
|
ohm metre
|
10
|
221
|
Focused Resistivity Amplified
|
ohm metre
|
10
|
222
|
Focused Resistivity, Averaged
|
ohm metre
|
10
|
250
|
Inverse (1")
|
ohm metre
|
15
|
252
|
Normal (2")
|
ohm metre
|
15
|
260
|
Micro-Focused, Conductivity
|
millisiemen/metre
|
20
|
270
|
Micro-Focused, Resistivity
|
ohm metre
|
20
|
280
|
Caliper
|
millimetre
|
70
|
282
|
Bit Size
|
millimetre
|
70
|
310
|
Gamma Ray
|
API Unit
|
35
|
330
|
Neutron
|
API Unit
|
35
|
334
|
Neutron Detector Count Rate
|
becquerel (Bq)
|
35
|
|
|
(count/sec.)
|
|
350
|
Density
|
kilograms/cubic
|
45
|
|
|
metre
|
|
351
|
Density Difference
|
kilograms/cubic
|
47
|
|
|
metre
|
|
354
|
Density Detector Count Rate
|
becquerel
|
45
|
356
|
Density Correction
|
kilograms/cubic
|
45
|
|
|
metre
|
|
357
|
Atomic Number (Z)
|
45
|
358
|
Photoelectric Cross Section (U)
|
45
|
390
|
Near Detection Count Rate
|
becquerel
|
51
|
391
|
Far Detection Count Rate
|
becquerel
|
51
|
400
|
Capture Cross Section
|
1/metre
|
51
|
410
|
Decay Time
|
microsecond or
|
51
|
|
|
millisecond
|
|
420
|
Ratio
|
|
51
|
430
|
Monitor
|
counts/calibration
|
9
|
|
|
division
|
|
500
|
Acoustic Velocity
|
metre/second
|
60
|
501
|
Acoustic Velocity, Long Spaced,
|
metre/second
|
60
|
|
> 7'
|
|
|
520
|
Acoustic Interval Transit Time,
|
microsecond/metre
|
60
|
|
Compressional Wave, Compensated
|
|
(i.e., BHC)
|
|
|
522
|
Acoustic Interval Transit Time,
|
microsecond/metre
|
60
|
|
Compressional Wave, Non-Compensated
|
523
|
Acoustic Interval Transit Time,
|
microsecond/metre
|
60
|
|
Compressional Wave Long Spaced,
|
|
> 7'
|
|
|
524
|
Acoustic Ampiitude, Compressional
|
millivolt
|
60
|
|
Wave (i.e., Amplitude for Cement
|
|
Bond Log)
|
|
|
528
|
Integrated Time Compressional
|
second
|
60
|
|
Wave, Long Spaced, > 7'
|
|
529
|
Integrated Time, Compressional
|
second
|
60
|
|
Wave
|
|
|
530
|
Acoustic Interval Transit Time,
|
microsecond/metre
|
60
|
|
Wave other than Compressional,
|
|
Compensated
|
|
532
|
Acoustic Interval Transit Time,
|
microsecond/metre
|
60
|
|
Wave other than Compressional,
|
|
Non-Compensated
|
|
534
|
Acoustic Amplitude, Wave other
|
millivolt
|
60
|
|
than Compressional
|
|
539
|
Integrated Time, Wave other than
|
second
|
60
|
|
Compressional
|
|
545
|
Noise Curve
|
millivolt
|
68
|
580-595
|
Local Option
|
|
610
|
Dipmeter Contact Electrodes
|
75
|
611
|
Dip
|
degree
|
75
|
615
|
Acceleration
|
75
|
620
|
Hole Deviation
|
degree
|
76
|
630
|
Hole Azimuth
|
degree
|
76
|
631
|
Hole Relative Bearing
|
degree
|
76
|
632
|
Tool Azimuth
|
degree
|
76
|
635
|
Tension
|
|
|
636
|
Log Speed Indicator
|
metre/hour
|
82
|
640
|
Flow Rate
|
cubic metre/hour
|
82
|
650
|
Fluid Density
|
kilograms/cubic
|
84
|
|
|
metre
|
|
660
|
Temperature
|
degree Celsius
|
80
|
670
|
Free Fluid Index
|
volume fraction
|
29
|
671
|
Thermal Relaxation, Time T1
|
millisecond
|
29
|
672
|
Transverse Relaxation, Time T2
|
millisecond
|
29
|
700
|
Total Counts
|
52
|
701
|
Hydrogen
|
|
52
|
702
|
Helium
|
|
52
|
706
|
Carbon
|
|
52
|
708
|
Oxygen
|
|
52
|
712
|
Magnesium
|
|
52
|
713
|
Aluminum
|
|
52
|
714
|
Silicon
|
|
52
|
716
|
Sulphur
|
|
52
|
717
|
Chlorine
|
|
52
|
719
|
Potassium
|
|
52
|
720
|
Calcium
|
|
52
|
726
|
Iron
|
|
52
|
728
|
Nickel
|
|
52
|
729
|
Copper
|
|
52
|
790
|
Thorium
|
|
52
|
792
|
Uranium
|
|
52
|
793
|
Carbon/Oxygen
|
52
|
794
|
Calcium/Silicon
|
52
|
795
|
Silicon/Calcium
|
52
|
796
|
Silicon/Oxygen
|
52
|
810
|
Drilling Rate
|
metre/hour
|
90
|
811
|
Drill String Force
|
decanewton
|
90
|
812
|
Rotary
|
see curve class
|
90
|
814
|
Pressure Gradient
|
pascals/metre
|
96
|
819
|
Mud Hydraulics
|
see curve class
|
91
|
820
|
Mud Composition
|
volume fraction
|
91
|
821
|
Mud Weight
|
kilogram/cubic metre
|
91
|
822
|
Viscosity
|
see curve class
|
91
|
823
|
Mud Resistivity
|
ohm metre
|
91
|
824
|
Mud Salinity
|
kilogram/cubic metre
|
91
|
825
|
Mud Filtrate Loss
|
91
|
826
|
Acidity/Alkalinity
|
see curve class
|
91
|
827
|
Mud Oil Shows
|
91
|
828
|
Tracer
|
|
91
|
830
|
Hydrocarbons
|
91
|
831
|
Methane
|
volume fraction
|
91
|
832
|
Ethane
|
volume fraction
|
91
|
833
|
Propane
|
volume fraction
|
91
|
834
|
Iso-Butane
|
volume fraction
|
91
|
835
|
Normal-Butane
|
volume fraction
|
91
|
836
|
Iso-Pentane
|
volume fraction
|
91
|
837
|
Normal Pentane
|
volume fraction
|
91
|
838
|
Hexane
|
volume fraction
|
91
|
841
|
Carbon Dioxide
|
volume fraction
|
91
|
842
|
Hydrogen Sulfide
|
volume fraction
|
91
|
850
|
Lithology
|
volume fraction
|
92
|
851
|
Lithology, Integrated
|
metres
|
92
|
855
|
Lithology Indicator
|
94
|
856
|
Lithology Indicator, Integrated
|
metres
|
94
|
860
|
Shale
|
volume fraction
|
94
|
861
|
Shale, Integrated
|
metres
|
94
|
862
|
Clay
|
volume fraction
|
94
|
863
|
Clay, Integrated
|
metres
|
94
|
864
|
Shale Property
|
92
|
865
|
Shale Property
|
metres
|
92
|
870
|
Coal Analysis
|
volume fraction
|
92
|
871
|
Coal Analysis, Integrated
|
metres
|
92
|
873
|
Coal Property
|
92
|
874
|
Coal Property, Integrated
|
metres
|
92
|
875
|
Sample Density
|
kilograms/cubic
|
92
|
|
|
metre
|
|
876
|
Sample Density, Integrated
|
92
|
880
|
Texture, Measured
|
92
|
881
|
Texture, Estimated
|
92
|
885
|
Modulus, Measured
|
gigapascal
|
92
|
886
|
Modulus, Computed
|
gigapascal
|
92
|
887
|
Consolidation
|
92
|
890
|
Porosity
|
volume fraction
|
92
|
891
|
Porosity, Integrated
|
metres
|
92
|
895
|
Absolute Permeability, Inert Gas
|
millidarcies (md) =
|
92
|
|
|
0.001 micrometre^2
|
896
|
Absolute Permeability, Inert Liquid
|
millidarcies
|
92
|
897
|
Relative Permeability, Non-Wetting
|
millidarcies
|
92
|
|
Phase
|
|
|
898
|
Relative Permeability, Wetting
|
millidarcies
|
92
|
|
Phase
|
|
|
899
|
Permeability Index
|
millidarcies
|
94
|
900
|
Permeability Index, Integrated
|
md metres
|
94
|
905
|
G-Factor from Thomeer
|
92
|
910
|
Water Saturation
|
porosity fraction
|
92
|
911
|
Water Saturation, Integrated
|
metres
|
92
|
912
|
Bulk Weight Water, Wet
|
92
|
913
|
Bulk Weight Water, Dry
|
92
|
920
|
Hydrocarbon Saturation
|
porosity fraction
|
92
|
921
|
Hydrocarbon Saturation, Integrated
|
metres
|
92
|
922
|
Bulk Weight Hydrocarbon, Wet
|
92
|
923
|
Bulk Weight Hydrocarbon, Dry
|
92
|
930
|
Hydrocarbon Shows
|
92
|
935
|
Resistivity, Computed
|
ohm metre
|
94
|
936
|
Resitivity, Corrected
|
ohm metre
|
94
|
937
|
Conductivity, Computed
|
millisiemen/metre
|
94
|
938
|
Conductivity, Corrected
|
millisiemen/metre
|
94
|
940
|
Formation Factor
|
92
|
945
|
Petrophysical Constants
|
92
|
950
|
Density x Velocity
|
gigapascal sec/metre
|
94
|
951
|
Reflection Coefficient
|
94
|
960
|
True Vertical Depth
|
metres
|
94
|
970-995
|
Local Option
|
95
|
|
|
|
|