Log Type Code
Code Curve Type Units (Base Log)
010 Self Potential millivolt 01
030 Single Point Resistivity ohm metre 01
040 Short Normal ohm metre 01
041 Short Normal, Amplified ohm metre 01
060 Long Normal ohm metre 01
061 Long Normal, Amplified ohm metre 01
069 Ultra Long Normal ohm metre 04
070 Lateral ohm metre 01
071 Lateral Amplified ohm metre 01
080 Limestone ohm metre 01
110 Induction Conductivity millisiemen/metre 05
111 Induction Conductivity Amplified millisiemen/metre 05
120 Induction Resistivity ohm metre 05
121 Induction Resistivity Amplified ohm metre 05
130 Attenuation decibel/metre 09
132 Dielectric Constant farads/metre 09
134 Electromagnetic Propagation nanoseconds/metre 09
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 09
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