Schlumberger

Mnemonics, Software product, SPECTROLITH


CodeSPECTROLITH
NameSpectroLith
DisciplinePetrophysics
TypeAPPLICATION
DescriptionLithology from Gamma Ray Spectroscopy

Related channels
ChannelDescription
ASAL Average Salinity
ASAL_WALK2 Apparent Salinity (SpectroLith WALK2 Model)
CCA ECS Capture Calcium Relative Yield
CCA_WALK2 Capture Calcium Relative Yield (SpectroLith WALK2 Model)
CCHL ECS Capture Chlorine Relative Yield
CCHL_WALK2 Capture Chlorine Relative Yield (SpectroLith WALK2 Model)
CFE ECS Capture Iron Relative Yield (Corrected)
CFE_WALK2 Capture Iron Relative Yield (Corrected, SpectroLith WALK2 Model)
CGD ECS Capture Gadolinium Relative Yield
CGD_WALK2 Capture Gadolinium Relative Yield (SpectroLith WALK2 Model)
CHY ECS Capture Hydrogen Relative Yield
CHY_WALK2 Capture Hydrogen Relative Yield (SpectroLith WALK2 Model)
CHY_WALK2_BSL Capture Hydrogen Relative Yield Baseline (SpectroLith WALK2 Model)
CHY_WALK2_BSL_RMV Capture Hydrogen Relative Yield with Baseline Removed (SpectroLith WALK2 Model)
CLT Volume Fraction Cleat Porosity in Coal
CLTM Moderately Cleated Coal Flag
CLTP Poorly Cleated Coal Flag
CLTW Well Cleated Coal Flag
CSI ECS Capture Silicon Relative Yield
CSI_WALK2 Capture Silicon Relative Yield (SpectroLith WALK2 Model)
CSUL ECS Capture Sulfur Relative Yield (Corrected)
CSUL_WALK2 Capture Sulfur Relative Yield (Corrected, SpectroLith WALK2 Model)
CTI ECS Capture Titanium Relative Yield
CTI_WALK2 Capture TItanium Relative Yield (SpectroLith WALK2 Model)
DWAL Dry Weight Aluminum
DWAL_SIG_WALK2 Statistical Uncertainty in Dry Weight Aluminum (SpectroLith WALK2 Model)
DWAL_WALK2 Dry Weight Fraction Pseudo Aluminum (SpectroLith WALK2 Model)
DWCA Dry Weight Calcium
DWCA_SIG_WALK2 Statistical Uncertainty in Dry Weight Calcium (SpectroLith WALK2 Model)
DWCA_WALK2 Dry Weight Fraction Calcium (SpectroLith WALK2 Model)
DWCL_SIG_WALK2 Statistical Uncertainty in Dry Weight Chlorine (SpectroLith WALK2 Model)
DWCL_WALK2 Dry Weight Fraction Chlorine Associated with Salt (SpectroLith WALK2 Model)
DWFE Dry Weight Iron
DWFE_SIG_WALK2 Statistical Uncertainty in Dry Weight Iron (SpectroLith WALK2 Model)
DWFE_WALK2 Dry Weight Fraction Iron + 0.14 Aluminum (SpectroLith WALK2 Model)
DWGD Dry Weight Gadolinium
DWGD_SIG_WALK2 Statistical Uncertainty in Dry Weight Gadolinium (SpectroLith WALK2 Model)
DWGD_WALK2 Dry Weight Fraction Gadolinium (SpectroLith WALK2 Model)
DWHY_SIG_WALK2 Statistical Uncertainty in Dry Weight Hydrogen (SpectroLith WALK2 Model)
DWHY_WALK2 Dry Weight Fraction Hydrogen Associated with Coal (SpectroLith WALK2 Model)
DWSI Dry Weight Silicon
DWSI_SIG_WALK2 Statistical Uncertainty in Dry Weight Silicon (SpectroLith WALK2 Model)
DWSI_WALK2 Dry Weight Fraction Silicon (SpectroLith WALK2 Model)
DWSU Dry Weight Sulfur
DWSU_SIG_WALK2 Statistical Uncertainty in Dry Weight Sulfur (SpectroLith WALK2 Model)
DWSU_WALK2 Dry Weight Fraction Sulfur (SpectroLith WALK2 Model)
DWTI Dry Weight Titanium
DWTI_SIG_WALK2 Statistical Uncertainty in Dry Weight Titanium (SpectroLith WALK2 Model)
DWTI_WALK2 Dry Weight Fraction Titanium (SpectroLith WALK2 Model)
DXFE_WALK2 Dry Weight Fraction Excess Iron (SpectroLith WALK2 Model)
ENGE_WALK2 Matrix Epithermal Neutron Porosity from Elemental Concentrations (SpectroLith WALK2 Model)
ERDF ECS Resolution Degradation Factor
ESAT ECS Spectrum Acquisition Time
ESUF_WALK2 Elemental Statistical Uncertainty Factor (SpectroLith WALK2 Model)
F2CA Far IC Mode Capture Calcium Relative Yield
F2CL Far IC Mode Capture Chlorine Relative Yield
F2FE Far IC Mode Capture Iron Relative Yield
F2GD Far IC Mode Capture Gadolinium Relative Yield
F2H Far IC Mode Capture Hydrogen Relative Yield
F2S Far IC Mode Capture Sulfur Relative Yield
F2SI Far IC Mode Capture Silicon Relative Yield
F2TI Far IC Mode Capture Titanium Relative Yield
FY2W Oxides Closure Normalization Factor
FY2W_WALK2 Oxides Closure Normalization Factor (SpectroLith WALK2 Model)
IC ECS Inelastic Carbon Relative Yield
IC_WALK2 Inelastic Carbon Relative Yield (SpectroLith WALK2 Model)
NCCA_WALK2 Normalized Calcium Relative Yield (SpectroLith WALK2 Model)
NCFE_WALK2 Normalized Iron Relative Yield (SpectroLith WALK2 Model)
NCSI_WALK2 Normalized Silicon Relative Yield (SpectroLith WALK2 Model)
NCSU_WALK2 Normalized Sulfur Relative Yield (SpectroLith WALK2 Model)
NCTI_WALK2 Normalized Titanium Relative Yield (SpectroLith WALK2 Model)
PEGE_WALK2 Matrix Photoelectric Factor from Elemental Concentrations (SpectroLith WALK2 Model)
QCPMT Photomultiplier Tube Quality Control
RHGE_WALK2 Matrix Density from Elemental Concentrations (SpectroLith WALK2 Model)
RHOG Apparent Clean Grain Density
SIGE_WALK2 Sigma Matrix from Elemental Concentrations (SpectroLith WALK2 Model
SIMA Sigma Matrix Apparent
SLCA ECS SpectroLith Dry Weight Fraction Calcium
SLFE ECS SpectroLith Dry Weight Fraction Iron
SLGD ECS SpectroLith Dry Weight Fraction Gadolinium
SLSI ECS SpectroLith Dry Weight Fraction Silicon
SLSU ECS SpectroLith Dry Weight Fraction Sulfur
SLTI ECS SpectroLith Dry Weight Fraction Titanium
TNGE_WALK2 Matrix Thermal Neutron Porosity from Elemental Concentrations (SpectroLith WALK2 Model)
UGE_WALK2 Matrix Volumetric Photoelectric Factor from Elemental Concentrations (SpectroLith WALK2 Model)
VITR Vitrinite Reflectance
VOLA Volume Fraction Volatiles in Coal
WANH Dry Weight Anhydrite
WANH_WALK2 Dry Weight Fraction Anhydrite/Gypsum (SpectroLith WALK2 Model)
WCAR Weight Percent Of Carbonate
WCAR_WALK2 Dry Weight Fraction Carbonate (SpectroLith WALK2 Model)
WCLA Dry Weight Clay
WCLA_WALK2 Dry Weight Fraction Clay (SpectroLith WALK2 Model)
WCOA Dry Weight Coal
WCOA_WALK2 Dry Weight Fraction Coal (SpectroLith WALK2 Model)
WEVA Dry Weight Evaporite
WEVA_WALK2 Dry Weight Fraction Salt (SpectroLith WALK2 Model)
WPYR Dry Weight Pyrite
WPYR_WALK2 Dry Weight Fraction Pyrite (SpectroLith WALK2 Model)
WQFM_WALK2 Dry Weight Fraction Quartz+Feldspar+Mica (QFM) (SpectroLith WALK2 Model)
WSAN Weight Percent Of Sand
WSID Dry Weight Siderite
WSID_WALK2 Dry Weight Fraction Siderite (SpectroLith WALK2 Model)

Related parameters
ParameterDescription
NCCA_OFFSET_WALK2 SpectroLith Normalized Calcium Yield Offset Value (WALK2)
NCFE_OFFSET_WALK2 SpectroLith Normalized Iron Yield Offset Value (WALK2)
NCSI_OFFSET_WALK2 SpectroLith Normalized Silicon Yield Offset Value (WALK2)
NCSUL_OFFSET_WALK2 SpectroLith Normalized Sulfur Yield Offset Value (WALK2)
NCTI_OFFSET_WALK2 SpectroLith Normalized Titanium Yield Offset Value (WALK2)
SPEC_CSG_DEPTH Casing Depth for Spectroscopy Processing
SPEC_CSG_LOGIC Automatic Casing Logic for Spectroscopy Processing
SPEC_CSG_LOGIC_THRESHOLD Automatic Casing Logic Threshold Value for Spectroscopy Processing
SPEC_FLEN_WALK2 Filter Length for Relative Yields from WALK2 Model (depth frames)
SPL_CARBONATE_OFFSET SpectroLith Carbonate Offset for Calibrated Model
SPL_CARBONATE_SLOPE SpectroLith Carbonate Slope for Calibrated Model
SPL_CBM_OPTION SpectroLith CBM Processing Option
SPL_CH_OFFSET_OPTION SpectroLith Cased Hole Offset Logic
SPL_CLAY_MODEL SpectroLith Clay Model
SPL_CLAY_MODEL_LOGIC SpectroLith Automatic Clay Model Logic
SPL_CLAY_MODEL_LOGIC_LB SpectroLith Automatic Clay Model Logic Lower Bound
SPL_CLAY_MODEL_LOGIC_THRESHOLD SpectroLith Automatic Clay Model Logic Clay Fraction Threshold
SPL_CLAY_MODEL_LOGIC_UB SpectroLith Automatic Clay Model Logic Upper Bound
SPL_CLAY_OFFSET SpectroLith Clay Offset for Calibrated Model
SPL_CLAY_SLOPE SpectroLith Clay Slope for Calibrated Model
SPL_COAL_OPTION SpectroLith Coal Processing Option
SPL_COAL_VOLATILES SpectroLith CBM Coal Volatiles Option
SPL_DATA_SOURCE SpectroLith Data Source
SPL_HI_FETI_LOGIC_MULT SpectroLith Automatic High Iron Titanium Logic Multiplication Factor
SPL_MIN_COAL_THRESHOLD SpectroLith Minimum Coal Threshold
SPL_SALT_ESSR_THRESHOLD SpectroLith Spectral Count Rate Threshold for Salt Logic
SPL_SALT_OPTION SpectroLith Salt Processing Option
SPL_SALT_SICAFE_THRESHOLD SpectroLith Silicon+Calcium+Iron Threshold for Salt Logic (Si+Ca+Fe Relative Yields)
SPL_SALT_WEVA_THRESHOLD SpectroLith Dry Weight Evaporite (WEVA) Threshold for Salt Processing Logic
SPL_SIDERITE_OPTION SpectroLith Siderite Option
SPL_SULFUR_MIN_LOGIC SpectroLith Automatic Sulfur Mineral Logic
SPL_SULFUR_MINERAL SpectroLith Sulfur Mineral Option


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