Code Log Type             Code  Curve Type           Code  Curve Class

01   ELECTRICAL           010   Self Potential       01    Measured SP (ESp)
                                                     02    Pseudo SP (Epsp)
                                                     03    Static SP (Essp)
                                                     11    Dual SP Upper
                                                           Electrode
                                                     12    Dual SP Lower
                                                           Electrode
                                                     13    deltaV for Dual SP
                                                     22    REDOX
                                                     50    SP Baseline

                          030   Single Point         01    Single Point
                                Resistivity                Resistivity

                          040   Short Normal       } 02    2"
                          041   Short Normal,      } 03    3"
                                Amplified          } 05    5"
                                                     06    6"
                                                     07    7"
                                                     08    8"
                                                     09    9"
                                                     10    10"
                                                     14    14.5"
                                                     16    16"
                                                     18    18"
                                                     24    24"

                          060   Long Normal        } 32    32"
                          061   Long Normal,       } 36    36"
                                Amplified          } 38    38"
                                                     39    39"
                                                     40    40"
                                                     57    57"
                                                     63    63"
                                                     64    64"
                                                     81    81"
                                                     90    14'8"
                                                     91    20'

                          070   Lateral            } 05    4'8"
                          071   Lateral, Amplified } 06    6'
                                                     08    8'
                                                     09    9'
                                                     10    10'
                                                     11    11'6"
                                                     13    13'
                                                     15    15' or 15'8"
                                                     16    16' or 16'8"
                                                     17    17'4"
                                                     18    18' or 18'8"
                                                     22    22'6"
                                                     24    24'
                                                     28    28'8"

                          080   Limestone            01    Limestone

                          310   Gamma Ray                  See Log 35

02   DRILL-STEM SONDE     010   Self Potential     }
                          040   Short Normal       }       See Log 01
                          060   Long Normal        }
                          070   Lateral            }

09   ULSEL                069   Ultra Long Normal    14    75'/600'
                                                     24    150'/600'
                                                     25    150'/1000'
                                                     35    350'/1000'
                                                     46    600'/2400'
                                                     56    1000'/2400'
                                                     68    2400'/4000'
                                                     80-95 Local Option

05   INDUCTION            010   Self Potential     }
     ELECTRICAL           040   Short Normal       }
                          041   Short Normal,      }       See Log 01
                                Amplified          }
                          060   Long Normal        }
                          070   Lateral            }

                          110   Induction          } 27    27" 5F
                                Conductivity       }
                          111   Induction          } 28    28" 6F
                                Conductivity,      }
                                Amplified          }
                          120   Induction          } 44    Medium
                                Resistivity        }
                          121   Induction          } 45    40" 5F
                                Resistivity,       } 46    40" 6F
                                Amplified          }

                          220   Focused                    See Log 10
                                Resistivity
                          310   Gamma Ray                  See Log 35

06   INDUCTION            110   Induction          }
                                Conductivity       }
                          111   Induction          }
                                Conductivity,      }
                                Amplified          }
                          120   Induction          }       See Log 05
                                Resistivity        }
                          121   Induction          }
                                Resistivity,       }
                                Amplified          }

                          220   Focused                    See Log 10
                                Resistivity
                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                          520   Acoustic Interval          See Log 60
                                Transit Time

07   DUAL INDUCTION       010   Self Potential             See Log O1

                          110   Induction          }       See Log 05
                                Conductivity       }
                          120   Induction          }
                                Resistivity        }

                          210   Focused            }
                                Conductivity       }
                          220   Focused            }       See Log 10
                                Resistivity        }

                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                          520   Acoustic Interval          See Log 60
                                Transit Time

09   DIELECTRIC           130   Attenuation          01    Ac
                          132   Dielectric           16    16 x l0^6 Hz
                                Constant             36    30 x 10^6 Hz

                          134   Electromagnetic      01    Tp1(1.1 x10^9Hz)
                                Propagation

                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                          430   Monitor              01    Quality Control
                                                           for PNC
                                                     10    Near Receiver
                                                           Signal Strength of
                                                           Dielectic Log
                                                     11    Far Receiver Signal
                                                           Strength of
                                                           Dielectric Log

10   FOCUSED              010   Self Potential       01    See Log 01

                          210   Focused            } 01    Spherical Focused
                                Conductivity       } 03    LL3
                          211   Focused            } 04    Focused Resistivity
                                Conductivity,      } 05    Guard
                                Amplified          } 06    Shallow Focused
                          220   Focused            } 07    LL7
                                Resistivity        } 08    LL8
                          221   Focused            } 09    LL9 Shallow
                                Resistivity,       } 10    LL9 Deep
                                Amplified          } 13    Focused Linear
                          222   Focused            }       Resistivity
                                Resistivity,       }
                                Averaged           }

                          310   Gamma Ray                  See Log 35
                          330   Neutron                    See Log 35

                          430   Monitor                    See Log 09

11   DUAL FOCUSED         010   Self Potential             See Log 01

                          220   Focused                    See Log 10
                                Resistivity
                          270   Micro-Focused              See Log 20
                                Resistivity
                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

15   MICRO                010   Self Potential             See Log 01

                          250   Inverse(1")        } 01    D
                          252   Normal(2")         } 02    H

                          280   Caliper                    See Log 70

                          823   Mud Resistivity            See Log 91
                                (Mud Log)

20   MICRO-FOCUSED        010   Self Potential             See Log 01

                          260   Micro-Focused      } 01    1"
                                Conductivity       } 03    3"
                          270   Micro-Focused      } 04    Micro-Spherical
                                Resistivity        }       Focused
                                                     27    27/32"
                                                     30    Proximity

                          280   Caliper                    See Log 70

21   PROXIMITY            010   Self Potential             See Log 01
                          250   Inverse (1")               See Log 15
                          252   Normal (2")                See Log 15

                          260   Micro-Focused      }
                                Conductivity       }       See Log 20
                          270   Micro-Focused      }
                                Resistivity        }

                          280   Caliper                    See Log 70

29   NUCLEAR MAGNETISM    310   Gamma Ray                  See Log 35

                          670   Free Fluid Index   }
                          671   Thermal Relaxation }
                                Time (T1)          } 01    Apparent
                          672   Transverse         } 02    Corrected
                                Relaxation         }
                                Time (T2)          }

                          895   Permeability               See log 94

30   GAMMA RAY            150   CollarLocator              See Log 86

                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

31   GAMMA RAY SPECTRAL   310   Gamma Ray                  See Log 35

                          719   Potassium          }
                          790   Thorium            }       See Log 52
                          792   Uranium            }

35   GAMMA RAY NEUTRON    150   Collar Locator             See Log 86

                          310   Gamma Ray          } 01    API Units
                          330   Neutron            } 22    Company Units
                                                   } 30    Counts per second
                                                   } 60    From Core

                          334   Neutron Detector     30    Near Detector Count
                                Count Rate                 Rate
                                                     31    Far Detector Count
                                                           Rate
                          890   Porosity                   See log 94

40   NEUTRON              330   Neutron                    See Log 35

                          890   Porosity                   See log 94

41   SIDEWALL NEUTRON     280   Caliper                    See Log 70
     (Non-compensated)
                          310   Gamma Ray          }       See Log 35
                          330¡   Neutron            

                          890   Porosity                   See log 94

                          150   Collar Locator             See Log 86

42   COMPENSATED NEUTRON  280   Caliper                    See Log 70

                          310   Gamma Ray          }       See Log 35
                          330   Neutron            }

                          350   Density            }       See Log 45
                          356   Density Correction }
        
                          420   Ratio                01    Neutron Count Rate
                                                           Ratio

                          890   Porosity                   See log 94

45   DENSITY              270   Micro-Focused              See Log 20
                                Resistivity
                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35
                          350   Density              01    Bulk Density
                                                           Compensated
                                                     02    Bulk Density
                                                           Non-compensated
                                                     22    Company Units
                                                     50    Density from
                                                           Gravity Log
                                                     60    Density from Core
                          354   Density Detector     01    Near Detector Count
                                Count Rate                 Rate
                                                     02    Far Detector Count
                                                           Rate
                          356   Density Correction   01    Density Correction
                          357   Atomic Number (Z)    01    Effective Atomic
                                                           Number
                          358   Photoelectric Cross  01    Photoelectric Cross
                                Section (U)                Section

                          890   Porosity                   See log 94

47   GRAVITY              350   Density                    See Log 45
                          351   Density difference   01    DD (Gravity log
                                                            ednsity- sidewall
                                                           density)

50   CHLORINE             310   Gamma Ray          }       See Log 35
                          330   Neutron            }

                          701   Hydrogen           }       See Log 52
                          717   Chlorine           }

51   PULSATED NEUTRON     150   Collar Locator             See Log 86
     CAPTURE              310   Gamma Ray                  See Log 35

                          390   Near Detector      } 01    Gate #1
                                Count Rate         } 02    Gate #2 
                          391   Far Detector Count } 03    Gate #3
                                Rate               } 04    Gate #4

                          400   Capture Cross        01    Apparent Capture
                                Section                    Cross Section
                                                     02    Corrected Capture
                                                           Cross Section 
                          410   Decay Time           01    Thermal Neutron
                                                           Decay Time
                          420   Ratio                01    Sigma Ratio (PNC)
                          430   Monitor                    See Log 09

                          890   Porosity                   See log 94

52   CARBON/OXYGEN        150   Collar Locator             See Log 86

                          310   Gamma Ray                  See Log 35

                          700   Total Counts       } 01    Inelastic
                          701   Hydrogen           } 02    Capture
                          702   Helium             } 03    Activation
                          706   Carbon             } 12    Inelastic/Capture
                          708   Oxygen             } 13    Inelastic/
                                                   }       Activation
                          712   Magnesium          } 21    Capture/Inelastic
                          713   Aluminum           } 23    Capture/Activation
                          714   Silicon            } 31    Activation/
                                                   }       Inelastic
                          716   Sulphur            } 32    Activation/Capture
                          717   Chlorine           } 50    Analytical or Assay
                          719   Potassium          }       from cuttings
                          720   Calcium            } 51    Analytical or Assay
                          726   Iron               }       from Cores
                          728   Nickel             }
                          729   Copper             }
                          790   Thorium            }
                          792   Uranium            }
                          793   Carbon/Oxygen      }
                          794   Calcium/Silicon    }
                          795   Silicon/Calcium    }
                          796   Silicon/Oxygen     }

60   ACOUSTIC VELOCITY  } 010   Self Potential             See Log O1
                        } 280   Caliper                    See Log 70
61   ACOUSTIC AMPLITUDE } 310   Gamma Ray                  See Log 35
                          330   Neutron

                                                   }       T-R1    R1-R2
                                                   }       ------------------
                          500   Acoustic Velocity  } 08    Check Shot Time
                          520   Acoustic Interval  } 09    Check Shot
                                Transit Time,      }        Correction
                                Compressional Wave } 30    3'      0'
                                Compensated        } 31    3'      1'
                                (i.e., BHC)        } 32    3'      2'
                          522   Acoustical         } 33    3'      3'
                                Interval Transit   } 40    4'      0'
                                Time,              } 41    4'      1'
                                Compressional      } 42    4'      2'
                                Wave,              } 43    4'      3'
                                Non-compensated    } 50    5'      1¡'
                          524   Acoustic           } 53    5'      2'
                                Amplitude,         } 61¡    6'      1'
                                Compressional Wave } 62    6'      2'
                                (i.e. amplitude    } 63    6'      3'
                                for cement bond)   } 80-95 Local Option
                          529   Integrated Time,   }
                                Compressional Wave }

60   ACOUSTIC VELOCITY  }                          }       T-R1    R1-R2
     (long spaced)      }                          }       ------------------
                        } 501   Acoustic Velocity  } 01    7'      0'
                        }       Long Spaced, >7'   } 02    7'      1'
                        }                          } 03    7'      2'
61   ACOUSTIC AMPLITUDE } 523   Acoustic Interval  } 04    7'      3'
     (long spaced)      }       Transit Time,      } 05    8'      0'
                                Compressional      } 06    8'      1'
                                Wave, Long Spaced, } 07    8'      2'
                                > 7'               } 08    8'      3'
                          528   Integrated Time    } 09    9'      0'
                                Compressional      } 10    9'      1'
                                Wave, Long Spaced, } 11    9'      2'
                                > 7'               } 12    9'      3'
                                                     13    10'     0'
                                                     14    10'     1'
                                                     15    10'     2'
                                                     16    10'     3'
                                                     17    11'     0'
                                                     18    11'     1'
                                                     19    11'     2'
                                                     20    11'     3'
                                                     21    12'     0'
                                                     22    12'     1'
                                                     23    12'     2'
                                                     24    12'     3'
                                                     25    13'     0'
                                                     26    13'     1'
                                                     27    13'     2'
                                                     28    13'     3'
                                                     29    14'     0'
                                                     30    14'     1'
                                                     31    14'     2'
                                                     32    14'     3'
                                                     33    15'     0'
                                                     34    15'     1'
                                                     35    15'     2'
                                                     36    15'     3'
                                                     37    16'     0'
                                                     38    16'     1'
                                                     39    16'     2'
                                                     40    16'     3'
                                                     41    17'     0'
                                                     42    17'     1'
                                                     43    17'     2'
                                                     44    17'     3'
                                                     45    18'     0'
                                                     46    18'     1'
                                                     47    18'     2'
                                                     48    18'     3'
                                                     49    19'     0'
                                                     50    19'     1'
                                                     51    19'     2'
                                                     52    19'     3'
                                                     53    20'     0¡'
                                                     54    20'     1'
                                                     55    20'     2'
                                                     56    20'     3'
                                                     57    21'     0'
                                                     58    21'     1'
                                                     59    21'     2'
                                                     60    21'     3'

60   ACOUSTIC VELOCITY  } 530   Acoustic Interval  } 08    Check Shot Time
                        }       Transit Time, Wave } 09    Check Shot
                        }       other than         }       Correction
                        }       Compressional      } 16    Shear Wave
                        }       Compensated        } 26    Stoneley Wave
61   ACOUSTIC AMPLITUDE } 532   Acoustic Interval  } 36    Rayleigh Wave
                                Transit Time, Wave } 46    Tube Wave
                                other than         } 56    Total Wave
                                Compressional,     } 60    Shear/Compressional
                                Non-Compensated    }       Ratio
                          534   Acoustic Amplitude,} 80-95 Local Option
                                Wave other than    }
                                Compressional      }
                          539   Integrated Time,   }
                                Wave Other than    }
                                Compressional

                          890   Porosity                   See Log 94

62   SIDEWALL ACOUSTIC    010   Self Potential             See Log 01

                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                                                     Circum-   Vertical
                                                     ferentail
                                                     (Code)    (Code)
                          520   Acoustic Interval  }             Compressional
                                Transit Time,      } 01        06  Pad 1
                                Compressional      } 02                2
                                Wave Compensated   } 03                3
                          522   Acoustic Interval  } 04                4
                                Transit Time,      }
                                Compressional      }               Shear 
                                Wave,              } 11        16  Pad 1
                                Non-Compensated    } 12                2
                          524   Acoustic Amplitude,} 13                3
                                Compressional Wave } 14                4
                          529   Integrated Time,   }               
                                Compressional Wave }               Stoneley
                                Shear              } 21        26  Pad 1
                          530   Acoustic Interval  } 22                2
                                Transit            } 23                3
                                Time, Wave other   } 24                4
                                than Compressional,}
                                Compensated        }               Rayleigh
                          532   Acoustic Interval  } 31        36  Pad 1
                                Transit Time, Wave } 32                2
                                other than         } 33                3
                                Compressional,     } 34                4
                                Non-Compensated    }
                          534   Acoustic Amplitude,}               Other Wave
                                Wave other than    } 41        46  Pad 1
                                Compressional      } 42                2
                          539   Integrated Time,   } 43                3
                                Wave other than    } 44                4
                                Compressional      }

                          890   Porosity                   See Log 94

64   BOREHOLE TELEVIEWER

65   SEISMIC REFERENCE    529   Integrated Time,   }       See Log 60
                                Compressional      }
                          539   Integrated Time,   }
                                Wave other than    }
                                Compressional      }

68   NOISE LOG            310   Gamma Ray                  See Log 35

                          545   Noise Curve          01    40 hertz
                                                     02    60 hertz
                                                     10    200 hertz
                                                     11    600 hertz
                                                     20    1000 hertz
                                                     21    2000 hertz
                                                     22    4000 hertz
                                                     23    6000 hertz

70   CALIPER              280   Caliper              01    1 arm
                                                     02    2 arm
                                                     03    3 arm
                                                     04    4 arm
                                                     11    Extended Caliper
                                                     13    1-3 Pad Electrode
                                                     24    2-4 Pad Electrode
                                                     30    Differential
                                                           Caliper (normalised
                                                           to bit size)
                                                     41    Arm 1 of 4 Arm
                                                           Caliper
                                                     42    Arm 2 of 4 Arm
                                                           Caliper
                                                     43    Arm 3 of 4 Arm
                                                           Caliper
                                                     44    Arm 4 of 4 Arm
                                                           Caliper
                                                     50    Acoustical caIiper
                                                     60    Caliper Trace
                                                           Associated with
                                                           Porosity

                          282   Bit Size             01    Diameter

75   DIPMETER             280   Caliper                    See Log 70

                          610   Dipmeter Contact     01    Electrode 1
                                Electrode            02    Electrode 2
                                                     03    Electrode 3
                                                     04    Electrode 4
                                                     10    Zero Electrode

                          611   Dip                  01    Angle
                                                     03    Angle, apparent
                                                     11    Azimuth
                                                     12    Azimuth, apparent

                          615   Acceleration         01    Accelerometer z
                                                     02    Accelerometer x
                                                     03    Accelerometer y

                          620   Hole Deviation     }       See Log 76
                          630   Hole Azimuth       }
                          631   Hole Relative      }
                                Bearing            }

                          632   Tool Azimuth         06    Magnetic
                                                     07    Gyroscope

76   DIRECTIONAL          620   Hole Deviation     } 01    Open Hole Survey,
                          630   Hole Azimuth       }       continuous
                          631   Hole Relative      } 11    Survey in Pipe,
                                Bearing            }       continuous
                          632   Tool Azimuth       } 12    Survey in Pipe,
                                                           single shot

                          960   True Vertical Depth        See Log 94

78   GEOCHEMICAL

80   TEMPERATURE          660   Temperature          01    DWT
                                                     02    HRT
                                                     11    Differential
                                                     21    Bottomhole
                                                     50    Mud in
                                                     51    Mud out

81   CEMENT               280   Caliper                    See Log 70

                          310   Gamma Ray          }       See Log 35
                          330   Neutron            }

                          350   Density                    See Log 45

                          524   Acoustic Amplitude         See Log 60

                          660   Temperature                See Log 80

82   FLOWMETER                                  Down   Up     Stationary
                                                (Code) (Code) (Code)
                                                ---------------------

                          150   Collar Locator             See Log 86

                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                          635   Tension         01     11     21  Wireline
                          636   Log Speed       01     11     21  Continuous
                                Indicator       02     22     32  60 Second
                                                                  Tattletale

                                                                  Spinner
                                                                  -------

                          640   Flow Rate       01     21     31  1-7/8"
                                                02     22     32  1-11/16"
                                                03     23     33  2"
              Stationary                        04     24     34  Fullbore

                                                                  Tracer
                                                                  ------

                                                41     51     61  Detector 1
                                                42     52     62  Detector 2
                                                43     53     63  Detector 3
                                                44     54     64  Detector 4
                                                45     55     65  Natural
                                                                  Gamma

84   BOREHOLE FLUID       150   Collar Locator             See Log 86
     DENSITY
                          280   Caliper                    See Log 70

                          310   Gamma Ray                  See Log 35

                          635   Tension            }       See Log 82
                          636   Log Speed          }
                                Indicator          }

                          650   Fluid Density   01     11     21  Pressure
                                                                  Differential
                                                02     12     22  Pressure
                                                                  Differential
                                                                  amplified
                                                03     13     23  Water Cut
                                                04     14     24  Oil Cut
                                                05     15     25  Pressure

85   PRODUCTION           150   Collar Locator             See Log 86
     COMBINATION TOOL
                          280   Caliper                    See Log70

                          310   Gamma Ray                  See Log 35

                          635   Tension                    See Log 82
                          636   Log Speed                  See Log 82
                                Indicator
                          640   Flow Rate                  See Log 82
                          660   Temperature                See Log 80

86   CASING INSPECTION    150   Collar Locator     } 01    Electromagnetic
                          152   Pipe Analysis      } 02    Mechanical

89   DRILL STRING         310   Gamma Ray                  See Log 35
     TELEMETRY
                          040   Short Normal               See Log 01

                          615   Acceleration               See Log 75

                          620   Deviation          }       See Log 76
                          630   Hole Azimuth       }

                          660   Temperature                See Log 80

                          811   Drill String Force }       See Log 90
                          812   Rotary             }

                          823   Mud Resistivity            See Log 91

90   DRILLING             282   Bit Size                   See Log 70

                          810   Drilling Rate        01    Penetration rate
                                                     02    Penetration Rate,
                                                           normalized
                                                           ("d" exponent)
                                                     03    Penetration Rate,
                                                           normalized
                                                           and corrected
                                                           ("dc" exponent)

                          811   Drill String Force   01    Weight on Bit
                                                           (from uphole
                                                           measurement)
                                                     02    Weight on Bit
                                                           (from downhole
                                                           measurement)
                                                     03    Hook Load

                          812   Rotary               01    RPM
                                                     02    Torque, surface
                                                     12    Torque, subsurface
                                                     13    Vibration, uphole
                                                     14    Vibration, downhole
                                                     15    Acceleration,
                                                           uphole
                                                     16    Acceleration,
                                                           downhole

                          814   Pressure Gradient          See Log 94

91   MUD                  660   Temperature                See Log 80

                          701   Hydrogen           }
                          702   Helium             }
                          707   Nitrogen           }
                          708   Oxygen             }       See Log 52
                          712   Magnesium          }
                          719   Potassium          }
                          720   Calcium            }

                          819   Mud Hydraulics       01    Pump Pressure
                                                     02    Pump Volume
                                                     03    Pump Strokes
                                                     10    Pit Level
                                                     11    Pit Volume
                                                     12    Total Pit Volume
                                                     14    Annulus Pressure,
                                                           uphole
                                                     15    Annulus Pressure,
                                                           downhole
                                                     16    Annular Pressure,
                                                           drop
                                                     17    Drill Pipe Pressure
                                                     18    Differential
                                                           Pressure
                                                     19    Flow in
                                                     20    Flow out
                                                     21    Mud Flow
                                                           Differential
                                                     80-95 Local Option

                                                           Mud Sample Out
                                                           --------------

                          820   Mud Composition      01    Total Solids
                                                     02    Sand Content
                                                     03    Water
                                                     04    Oil

                                                           Mud Sample In
                                                           -------------

                                                     21    Total Solids
                                                     22    Sand Content
                                                     23    Water
                                                     24    Oil

                          821   Mud Weight           01    Mud Weight Out
                                                     02    Mud Weight In
                                                     03    Mud Weight
                                                           Differential

                          822   Viscosity            01    Marsh Funnel
                                                           (sec/liter)
                                                     02    Plastic Viscosity
                                                           (mPa's)
                                                     13    Yield Point
                                                           (pascal)
                                                     20    Gel Strength,
                                                           initial (pascal)
                                                     21    Gel Strength,
                                                           10 min. (pascal)

                          823   Mud Resistivity      01    Mud Resistivity,
                                                           uphole (Rm)
                                                     02    Mud Resistivity,
                                                           downhole
                                                     03    Mud Filtrate
                                                           Resistivity (Rmf)
                                                     04    Mud Filtrate
                                                           Resistivity,
                                                           apparent (Rmfa)
                                                     05    Mud Cake
                                                           Resistivity (Rmc)
                                                     07    Rmfa/Rmf
                                                     11    Mud Conductivity
                                                     50    Mud Log (from
                                                           collapsed Microlog)

                          824   Mud Salinity         01    Salinity, mud
                                                           (equivalent NaCI)
                                                     02    Salinity, mud
                                                           filtrate
                                                           (equivalent NaCI)
                                                     11    Chlorinity, mud
                                                           (equivalent Cl~)
                                                     12    Chlorinity, mud
                                                           filtrate
                                                           (equivalent Cl~)

                          825   Mud Filtrate Loss    01    Filter Loss
                                                     02    Filter Cake
                                                           Thickness
                                                     05    Spurt Loss
                                                     11    High Temperature
                                                           Fluid Loss

                          826   Acidity/Alkalinity   01    Acidity (pH)
                                                     02    Alkalinity,
                                                           filtrate (Pf)
                                                     03    Carbonate
                                                           Alkalinity (Mf)
                                                     04    Alkalinity,
                                                           mud (Pm)

                          827   Oil Shows            01    Free Oil
                                                     02    Flourescence

                          828   Tracer               01    Tritium
                                ¥                     02    Potassium
                                                     03    Potassium Nitrate
                                                     04    Potassium Iodide
                                                     11    Iso-Octane

                          830   Hydrocarbons         01    Total
                                                     02    True Liberated
                                                           Hydrocarbons
                                                     51    Connection Gas
                                                     52    Trip Gas
                                                     55    Subsurface Total
                                                           Gas in Mud

                          831   Methane              01    Total, surface
                                                     51    Ratio,
                                                           Menthane/Ethane
                                                     52    Ratio,
                                                           Methane/Propane
                                                     53    Ratio,
                                                           Methane/N-Butane
                                                     54    Ratio,
                                                           Methane/N-Butane
                                                     55    Gas Indicator,
                                                           C1/(C3+C4)

                          832   Ethane               01    Total Ethane
                                                     02    Ethane Plus

                          833   Propane              01    Total Propane
                                                     02    Propane Plus
                                                     03    (C3+C4)/C1

                          834   Iso-Butane           01    Total Iso-Butane
                                                     02    Iso-Butane Plus

                          835   Normal-Butane        01    Total Normal-Butane
                                                     02    Normal-Butane Plus

                          836   Iso-Pentane          01    Total Iso-Pentane
                                                     02    Iso-Pentane Plus

                          837   Normal-Pentane       01    Total
                                                           Normal-Pentane
                                                     02    Normal-Pentane Plus

                          838   Hexane               01    Total Hexane
                                                     02    Hexane Plus

                          841   Carbon Dioxide       01    From Mud Returns

                          842   Hydrogen Sulfide     01    From Mud Returns

92   CORES              } 310   Gamma Ray                  See Log 35
                        }                            01    Core Gamma
93   CUTTINGS           }
                        } 814   Pressure Gradient    01    Borehole Fluid
94   COMPUTER PROCESSED }                            02    Formation Pore
                                                     03    Formation Fracture
                                                     04    Overburden

                          850   Lithology,         } 01    Sand
                                fractional         } 02    Silt
                          851   Lithology,         } 03    Silica
                                integrated         } 04    Chert
                                                     05    Conglomerate
                                                     10    Limestone
                                                     11    Dolomite
                                                     12    Carbonate
                                                     20    Gypsum
                                                     21    Anhydrite
                                                     22    Salt
                                                     31    Coal
                                                     32    Lignite
                                                     41    Igneous
                                                     42    Tuff
                                                     43    Volcanic
                                                     44    Metamorphic

                                                     80-95 Local Option

                          855   Lithology          } 01    M
                                Indicator          } 02    N
                          856   Lithology          } 03    MN
                                Indicator,         } 04    MID, tga
                                integrated         } 05    MID, Pga
                                                     80-95 Local Option

                          860   Shale, fractional  } 01    Laminated
                          861   Shale, integrated  } 02    Structural
                                                     03    Dispersed
                                                     04    Gamma Ray Index
                                                     05    Self Potential
                                                           Index
                                                     06    Self Potential
                                                           Reduction (propto)
                                                     80-95 Local Option

                          862   Clay, fractional   } 01    Dispersed Clay (q)
                          863   Clay, integrated   } 80-95 Local Option

                          864   Shale Property     } 01    Cation Exchange
                                                   }       (Qv)
                          865   Shale Property,    } 02    Bulk Weight, dry
                                integrated         } 03    Bulk Weight, wet
                                                     80-95 Local Option

                          870   Coal Analysis,     } 01    Ash
                                fractional         } 02    Carbon
                          871   Coal Analysis,     } 03    Moisture
                                integrated         } 04    Sulphur
                                                     80-95 Local Option

                          873   Coal Property      } 01    Calorific Value,
                                                   }       joule
                          874   Coal Property,     } 02    Volatile Matter
                                integrated         } 80-95 Local Option

                          875   Sample Density     } 01    Grain (w/shale)
                          876   Sample Density,    } 02    Matrix (w/o shale)
                                integrated         } 03    Bulk
                                                     04    Average
                                                     80-95 Local Option

                          880   Texture, measured  } 01    Grain Size
                          881   Texture, estimated } 02    Crystal Size
                                                     03    Particle Size
                                                     04    Sphericity
                                                     05    Roundness
                                                     06    Pass 200 Mesh, dry
                                                     07    Pass 200 Mesh, wet
                                                     08    Pass 325 Mesh, dry
                                                     09    Pass 325 Mesh, wet
                                                     80-95 Local Option

                          885   Modulus measured   } 01    Bulk (K)
                          886   Modulus computed   } 02    Shear (G)
                                                     03    Grain (Kg)
                                                     04    Rock Frame (Km)
                                                     05    Young's
                                                     06    Bulk
                                                           Compressibility
                                                           (Cb)
                                                     07    Pore
                                                           Compressibility
                                                           (Cp)
                                                     08    Sonic Compaction
                                                           Correction (Cp)
                                                     09    Poisson's Ratio
                                                     10    G/Cp
                                                     80-95 Local Option

                          887   Consolidation      } 01    Estimated
                                                     ¡02   Measured
                                                     03    Brinnell Hardness
                                                     80-95 Local option

                          890   Porosity,          } 01    Neutron, limestone
                                fractional         } 02    Neutron, dolomite
                          891   Porosity,          } 03    Neutron, sandstone
                                integrated         } 04    Neutron, other
                                                     10    Density, limestone
                                                     11    Density, dolomite
                                                     12    Density, sandstone
                                                     13    Density, other
                                                     20    Acoustic, limestone
                                                     21    Acoustic, dolomite
                                                     22    Acoustic, sandstone
                                                     23    Acoustic, other
                                                     31    Neutron/Density
                                                     32    Acoustic/Density
                                                     33    Neutron/Acoustic
                                                     34    Neutron/Density/
                                                           Acoustic
                                                     40    Resistivity, deep
                                                     41    Resistivity, medium
                                                     42    Resistivity,
                                                           shallow
                                                     43    Resistivity, micro
                                                           device
                                                     44    Resistivity,
                                                           Microlog
                                                     50    Pulsed Neutron
                                                           Capture
                                                     60    Total, calculated
                                                     61    Total, estimated
                                                     62    Effective,
                                                           calculated
                                                     63    Effective,
                                                           estimated
                                                     64    Secondary,
                                                           calculated
                                                     65    Secondary,
                                                           estimated
                                                     80-95 Local Option

                          895   Absolute           } 01    Horizontal, plug
                                Permeability,      } 02    Vertical, plug
                                inert gas          } 03    Horizontal, whole
                          896   Absolute           }       core maximum
                                Permeability,      } 04    Horizontal, whole
                                inert liquid       }       core 90 degrees to
                          897   Relative           }       maximum
                                Permeability Non-  } 05    Vertical, whole
                                Wetting Phase, at  }       core
                                irreducible        } 80-95 Local Option
                                wetting phase      }
                                saturation         }
                          898   Relative           }
                                Permeability       }
                                Wetting Phase, at  } 
                                irreducible        }
                                non-wetting phase  }
                                saturation         }

                          899   Permeability Index } 01    Timur
                          900   Permeability Index,} 02    Coates
                                integrated         } 03    Wyllie-Rose
                                                     04    Nuclear Magnetism
                                                     05    Acoustic
                                                     06    Capillary Pressure
                                                           Derived
                                                     07    Capacity (kh)
                                                     80-95 Local Option

                          905   G-Factor, from       01    Capillary Pressure
                                Thomeer                    Derived

                          910   Water Saturation   } 01    Retort
                          911   Water Saturation,  } 02    Restored State
                                integrated         } 03    Irreducible (Swirr)
                          912   Bulk Weight Water, } 04    Deep Resistivity
                                wet                }       (Sw)
                          913   Bulk Weight Water, } 05    Shallow/Micro-
                                dry                }       resistivity (Sxo)
                                                     06    Pulsed Neutron
                                                           Capture
    ¥                                                 07    Ratio (Sw/So)
                                                     08    Unspecified
                                                     80-95 Local Option

                          920   Hydrocarbon        } 01    Retort Oil
                                Saturation         } 02    Imbibition Gas
                          921   Hydrocarbon        } 03    Waterflood Residual
                                Saturation,        }       Oil
                                integrated         } 04    Initial (1-Sw)
                          922   Bulk Weight        } 05    Residual (1-Sxo)
                                Hydrocarbon, wet   } 06    Moved (Sxo-Sw)
                          923   Bulk Weight        } 07    Gas (Sg)
                                Hydrocarbon, dry   } 08    Residual Gas (Sgxo)
                                                     09    Carbon/Oxygen Ratio
                                                     10    Unspecified
                                                     80-95    Local Option

                          930   Hydrocarbon Shows    01    Oil Stain
                                                     02    Odor
                                                     03    Fluorescence,
                                                           percent
                                                     04    Fluorescence,
                                                           intensity
                                                     05    Fluorescence,
                                                           color
                                                     06    Solvent cut,
                                                           fluorescence
                                                     07    Solvent cut, color
                                                     08    Show number average
                                                     09    Unspecified 
                                                     80-95 Local Option

                          935   Resistivity,       } 01    Deep Resistivity
                                computed           }       (R't)
                          936   Resistivity,       } 02    Shallow/Micro-
                                corrected          }       resistivity (Rxo)
                          937   Conductivity,      } 03    Water zone (Ro)
                                computed           } 04    Ratio (Rxo/Rt)
                          938   Conductivity,      } 05    Index, I (Rt/Ro)
                                corrected          } 06    Formation Water
                                                           (Rw)
                                                     07    Apparent Formation
                                                           Water (Rwa)
                                                     08    Apparent Mud
                                                           Filtrate (Rmfa)
                                                     80-95 Local Option

                          940   Formation Factor     01    Measured
                                                     02    Computed
                                                           (F = a/omega^m)
                                                     03    Deep (F=Rt/Rw)
                                                     04    Micro (F=Rxo/Rmf)
                                                     80-95 Local Option

                          945   Petrophysical        01    Porosity constant,
                                Constants                  a
                                                     02    Porosity exponent,
                                                           m
                                                     03    Saturation
                                                           exponent, n
                                                     80-95 Local Option

                          950   Density x velocity   01    Unedited
                                                     02    Edited
                                                     03    Unspecified
                                                     80-95 Local Option

                          951   Reflection           01    Velocity
                                Coefficient          02    Velocity x density
                                                     03    Unspecified
                                                     80-95 Local Option

                          960   True Vertical Depth  01    Depth

                          970-995 Local Option       01-99 Local Option

95-99 LOCAL OPTION        180-195 Local Option     } 01-99 Local Option with
                          580-595 Local Option     }             Local Option
                          970-995 Local Option     }             Curve Types