Curve Mnemonic Dictionary

Mnemonics, Software product, IMPACT

Code	IMPACT
Name	Impact
Discipline	Geomechanics
Type	APPLICATION
Description	Integrated Mechanical Properties Analysis Computation Technique

Related channels

Channel	Description
ALPH	Alpha (Coefficient in Fracture Pressure Gradient Equation)
AVG_EFF_FAR_PRIN_STRESS	Average Effective Far-Field Principal Stress
AVG_EFF_NEAR_PRIN_STRESS	Average Effective Near Wellbore Principal Stress
AVG_TOT_FAR_PRIN_STRESS	Average Total Far-Field Principal Stress
AVG_TOT_NEAR_PRIN_STRESS	Average Total Near Wellbore Principal Stress
AZIM	Measured Azimuth
BBSEXP	Exponent in the Brown-Bray-Santarelli Model
BBSFAC	Gain in the Brown-Bray-Santarelli Model
BITEFF	Drillbit Efficiency
BMK	Bulk Modulus - K
BMKD	Dry Frame/Skeleton Bulk Modulus - Kdry
BMKS	Solid Bulk Modulus - Ks
CALI	Caliper
CB	Bulk Compressibility
CDPP	Critical Drawdown Pressure
CGR	Gamma Ray Contribution from Thorium and Potassium
CP_CP	Confining Pressure vs. Confining Pressure
CRIT_WELL_PRES	Critical Well Pressure
CUDC	Conductivity of the Undisturbed Zone at Downhole Conditions
CWP	Well Pressure initiating a important transition such as from formation stability to instability
CWPG	Well Pressure Gradient initiating a important transition such as from formation stability to instability
CXDC	Conductivity of the Flushed Zone at Downhole Conditions
DATA	Unknown Data Channel
DCAL	Differential Caliper
DEVI	Hole Deviation
DILATION_ANGLE	Angle relating the increase in volumetric strain with stress.
DPHI	Density Porosity
DPR	Delta Pressure
DT	Delta-T (also called Slowness or Interval Transit Time)
DTCO	Delta-T Compressional
DTMUD	The computed mud slowness
DTOR	Downhole Torque (MWD)
DTSM	Delta-T Shear
DTST	Delta-T Stoneley - Monopole Stoneley
DWOB	Downhole Weight on Bit
EFF_MAX_HORI_STRESS	Effective Maximum Horizontal Stress
EFF_MIN_HORI_STRESS	Effective Minimum Horizontal Stress
EFF_VERT_STRESS	Effective Vertical Stress
EXSP	Minimum Far-Field Effective Horizontal Stress
EYSP	Maximum Far-Field Effective Horizontal Stress
EZSP	Far-Field Effective Vertical Stress
FAIL_MODE	Failure Mode
FANG	Angle relating the increase in shear strength with compressive strength.
FCEXPN	Failure Criteria Exponent
FCGAIN	Failure Criteria Gain
FCOFST	Failure Criteria Offset
FFLAG	Float Flag
FLAT	Tooth flat
FLUHSE	Fluid Hydraulic Support Efficiency
FORS	Formation strength correction for bit wear
GR	Gamma Ray
HARDNESS	Hardness
HYD_DIFFUSIVITY	Hydraulic Diffusivity
ILD	Induction Deep Resistivity
ILM	Induction Medium Resistivity
INDVAR	Independent Variable
ISHE	Initial Shear Strength
KINT	Intrinsic Permeability
LLD	Laterolog Deep Resistivity
LLS	Laterolog Shallow Resistivity
MD	Measured Depth
MOBILITY	Fluid Mobility in the Formation
MSFL	Micro-spherically-focused Resistivity
MUDHSE	Mud Hydraulic Support Efficiency
NBPERF	Number of Perforations
NPHI	Thermal Neutron Porosity (original Ratio Method) in Selected Lithology
PEAK_STRN_CP	Peak Strength vs. Confining Pressure
PEF	Photoelectric Factor
PHI	Porosity
PHIE	Effective Porosity
PHIT	Total Porosity: includes all forms of porosity, including that occupied by bound fluids, and is independent of rock and fluid materials and of environmental effects
POTA	Potassium Concentration
PPGI	Pore Pressure Gradient
PPRS	Pore Pressure
PR	Poisson's Ratio
QFIT	Quality-of-fit To Envelope
RATIO_HORI_STRESS	Ratio Maximum to Minimum Horizontal Stress
RATIO_HORI_VERT_STRESS	Ratio Minimum Horizontal to Vertical Stress
RES_STRN_CP	Residual Strength vs. Confining Pressure
RHOB	Bulk Density
RHOG	Apparent Clean Grain Density
ROP	Rate of Penetration
RSXZ	Ratio of Sigma X to Sigma Z
RSYX	Ratio of Sigma Y to Sigma X
RT	True Resistivity
RXO	Flushed Zone Resistivity
SFLU	SFL Resistivity Unaveraged
SGR	Spectroscopy Gamma Ray
SHEAR_STRESS	Shear Stress
SMG	Shear Modulus
SPHI	Sonic Porosity
SQRD	Dimensionless ROP
STAS	Stoneley Added Slowness
SW	Water Saturation
SXO	Water Saturation in Flushed Zone
TD	Dimensionless torque
THOR	Thorium Concentration
TIME_TO_FAILURE	Time to Failure, as for Pore Pressure Estimation
TOT_MAX_HORI_STRESS	Total Maximum Horizontal Stress
TOT_MIN_HORI_STRESS	Total Minimum Horizontal Stress
TOT_VERT_STRESS	Total Vertical Stress
TPRA	Thorium/Potassium Ratio
TSTR	Tensile Strength
TXSP	Total Minimum Horizontal Stress - Sigma X
TYSP	Total Maximum Horizontal Stress - Sigma Y
TZSP	Total Vertical Stress - Sigma Z
U	Volumetric Photoelectric Factor
UCS	Uniaxial Compressive Strength
URAN	Uranium Concentration
VALB	Volume Fraction of Albite Relative to Total Volume
VANH	Volume of Anhydrite Relative to Total Volume
VBIO	Volume of Biotite Relative to Total Volume
VCAR	Volume Fraction of Carbonate Relative to Total Volume
VCHL	Volume of Chlorite Relative to Total Volume
VCL	Volume of Clay Type Material Relative to Total Volume
VCL1	Volume of Clay 1 Relative to Total Volume
VCL2	Volume of Clay 2 Relative To Total Volume
VCLA	Volume Fraction of Clay Relative to Total Volume
VCLC	Volume of Calcite Relative to Total Volume
VCOA	Volume of Coal Relative to Total Volume
VDEP	Vertical Seismic Profile Depth
VDOL	Volume of Dolomite Relative to Total Volume
VEVA	Volume Fraction of Evaporite Relative to Total Volume
VFEL	Volume of Feldspar Relative to Total Volume
VGLA	Volume of Glauconite Relative to Total Volume
VGYP	Volume of Gypsum Relative to Total Volume
VHAL	Volume Of Halite Relative to Total Volume
VIGN	Volume of Igneous Rock Relative to Total Volume
VILL	Volume of Illite (dry) Relative to Total Volume
VISO	Volume of Isolated Fluid Relative to Total Volume
VKAO	Volume of Kaolinite (dry) Relative to Total Volume
VMET	Volume of Metamorphic Rock Relative to Total Volume
VMON	Volume of Montmorillonite (dry) Relative to Total Volume
VMUS	Volume of Muscovite Relative to Total Volume
VNCM	Volume defined by 1 minus Effective Porosity minus Volume of Wet Clay
VORT	Volume of Orthoclase Relative to Total Volume
VPAR	Volume of Parallel Porosity Relative to Total Volume
VPYR	Volume of Pyrite Relative to Total Volume
VQUA	Volume of Quartz Relative to Total Volume
VSAN	Volume of Sandstone Relative to Total Volume
VSH	Volume of Shale
VSHA	Volume of Shale Apparent
VSID	Volume of Siderite Relative to Total Volume
VSIL	Volume of Silt Relative to Total Volume
VSM1	Volume of Special Mineral 1 Relative to Total Volume
VSM2	Volume of Special Mineral 2 Relative to Total Volume
VUGA	Volume of Gas in Undisturbed Zone
VUIW	Volume of Irreducible Water In Undisturbed Zone
VUOI	Volume of Oil in Undisturbed Zone
VUSF	Volume of Special Fluid In Undisturbed Zone
VUWA	Volume of Water in Undisturbed Zone
VXBW	Volume of Bound Water in Flushed Zone
VXGA	Volume of Gas in Flushed Zone
VXIW	Volume of Irreducible Water In Flushed Zone
VXOI	Volume of Oil in Flushed Zone
VXSF	Volume of Special Fluid in Flushed Zone
VXWA	Volume of Water in Flushed Zone
WEIGHT_CP	Weights vs. Confining Pressure
WMUD	Density (Weight) of Mud
YME	Young's Modulus (E)
YME_CP	Young's Modulus vs. Confining Pressure

Related parameters

Parameter	Description
ACDSPN	Acoustic Dispersion
ALPI	Alpha Boost Factor
AZIM	Well Section Azimuth
BFLAG	Boolean True False Flag
BITACT	Drillbit Action Parameter
BITANG	Drillbit Tooth Angle
BITCOF	Drillbit Coefficient of Friction
BMK_ALBI	Bulk Modulus response parameter for Albite
BMK_ANHY	Bulk Modulus response parameter for Anhydrite
BMK_BIOT	Bulk Modulus response parameter for Biotite
BMK_CALC	Bulk Modulus response parameter for Calcite
BMK_CARB	Bulk Modulus response parameter for Carbonate
BMK_CHLO	Bulk Modulus response parameter for Chlorite
BMK_CLA1	Bulk Modulus response parameter for Clay 1
BMK_CLA2	Bulk Modulus response parameter for Clay 2
BMK_CLAY	Bulk Modulus of Clay
BMK_COAL	Bulk Modulus response parameter for Coal
BMK_DOLO	Bulk Modulus response parameter for Dolomite
BMK_EVAP	Bulk Modulus response parameter for Evaporate
BMK_FELD	Bulk Modulus response parameter for Feldspar
BMK_GLAU	Bulk Modulus response parameter for Glauconite
BMK_GYPS	Bulk Modulus response parameter for Gypsum
BMK_HALI	Bulk Modulus response parameter for Halite
BMK_IGNE	Bulk Modulus response parameter for Igneous
BMK_ILLI	Bulk Modulus response parameter for Illite
BMK_ISOL	Bulk Modulus response parameter for Isolated
BMK_KAOL	Bulk Modulus response parameter for Kaolinite
BMK_META	Bulk Modulus response parameter for Metamorphic
BMK_MONT	Bulk Modulus response parameter for Montmorillonite
BMK_MUSC	Bulk Modulus response parameter for Muscovite
BMK_ORTH	Bulk Modulus response parameter for Orthoclase
BMK_PARA	Bulk Modulus response parameter for Parallel
BMK_PYRI	Bulk Modulus response parameter for Pyrite
BMK_QUAR	Bulk Modulus response parameter for Quartz
BMK_SAND	Bulk Modulus response parameter for Sand
BMK_SHAL	Bulk Modulus response parameter for Shale
BMK_SIDE	Bulk Modulus response parameter for Siderite
BMK_SILT	Bulk Modulus response parameter for Silt
BMK_SMI1	Bulk Modulus response parameter for Special Mineral 1
BMK_SMI2	Bulk Modulus response parameter for Special Mineral 2
BMK_UGAS	Bulk Modulus response parameter for Undisturbed Zone Gas
BMK_UIWA	Bulk Modulus response parameter for Undisturbed Zone Irreducible Water
BMK_UOIL	Bulk Modulus response parameter for Undisturbed Zone Oil
BMK_USFL	Bulk Modulus response parameter for Undisturbed Zone Special Fluid
BMK_UWAT	Bulk Modulus response parameter for Undisturbed Zone Water
BMK_XBWA	Bulk Modulus response parameter for Flushed Zone Bound Water
BMK_XGAS	Bulk Modulus response parameter for Flushed Zone Gas
BMK_XIWA	Bulk Modulus response parameter for Flushed Zone Irreducible Water
BMK_XOIL	Bulk Modulus response parameter for Flushed Zone Oil
BMK_XSFL	Bulk Modulus response parameter for Flushed Zone Special Fluid
BMK_XWAT	Bulk Modulus response parameter for Flushed Zone Water
BMKF	Fluid Bulk Modulus - Kf
BS	Bit Size
BVIRR	Bulk Volume of Irreducible Water
CFST	Central Frequency of the Stoneley Wave
CLAINPT	Clay Input Switch
COEF	Coefficients for Regression
CSIF	Critical Stress Intensity Factor
DATA	Unidentified Channel Name
DILATION_ANGLE	Angle relating the increase in volumetric strain with stress.
DT	Delta-T (Interval Transit Time)
DT_ALBI	Sonic Transit Time response parameter for Albite
DT_ANHY	Sonic Transit Time response parameter for Anhydrite
DT_BIOT	Sonic Transit Time response parameter for Biotite
DT_CALC	Sonic Transit Time response parameter for Calcite
DT_CARB	Sonic Transit Time response parameter for Carbonate
DT_CHLO	Sonic Transit Time response parameter for Chlorite
DT_CLA1	Sonic Transit Time response parameter for Clay 1
DT_CLA2	Sonic Transit Time response parameter for Clay 2
DT_CLAY	Dt Compressional of Clay
DT_COAL	Sonic Transit Time response parameter for Coal
DT_DOLO	Sonic Transit Time response parameter for Dolomite
DT_EVAP	Sonic Transit Time response parameter for Evaporate
DT_FELD	Sonic Transit Time response parameter for Feldspar
DT_GLAU	Sonic Transit Time response parameter for Glauconite
DT_GYPS	Sonic Transit Time response parameter for Gypsum
DT_HALI	Sonic Transit Time response parameter for Halite
DT_IGNE	Sonic Transit Time response parameter for Igneous
DT_ILLI	Sonic Transit Time response parameter for Illite
DT_ISOL	Sonic Transit Time response parameter for Isolated
DT_KAOL	Sonic Transit Time response parameter for Kaolinite
DT_META	Sonic Transit Time response parameter for Metamorphic
DT_MONT	Sonic Transit Time response parameter for Montmorillonite
DT_MUSC	Sonic Transit Time response parameter for Muscovite
DT_ORTH	Sonic Transit Time response parameter for Orthoclase
DT_PARA	Sonic Transit Time response parameter for Parallel
DT_PYRI	Sonic Transit Time response parameter for Pyrite
DT_QUAR	Sonic Transit Time response parameter for Quartz
DT_SAND	Sonic Transit Time response parameter for Sand
DT_SHAL	Sonic Transit Time response parameter for Shale
DT_SIDE	Sonic Transit Time response parameter for Siderite
DT_SILT	Sonic Transit Time response parameter for Silt
DT_SMI1	Sonic Transit Time response parameter for Special Mineral 1
DT_SMI2	Sonic Transit Time response parameter for Special Mineral 2
DT_UGAS	Sonic Transit Time response parameter for Undisturbed Zone Gas
DT_UIWA	Sonic Transit Time response parameter for Undisturbed Zone Irreducible Water
DT_UOIL	Sonic Transit Time response parameter for Undisturbed Zone Oil
DT_USFL	Sonic Transit Time response parameter for Undisturbed Zone Special Fluid
DT_UWAT	Sonic Transit Time response parameter for Undisturbed Zone Water
DT_XBWA	Sonic Transit Time response parameter for Flushed Zone Bound Water
DT_XGAS	Sonic Transit Time response parameter for Flushed Zone Gas
DT_XIWA	Sonic Transit Time response parameter for Flushed Zone Irreducible Water
DT_XOIL	Sonic Transit Time response parameter for Flushed Zone Oil
DT_XSFL	Sonic Transit Time response parameter for Flushed Zone Special Fluid
DT_XWAT	Sonic Transit Time response parameter for Flushed Zone Water
DTMUD	Delta-T for Mud
DTSM_ALBI	Delta T Shear of Albite
DTSM_ANHY	Delta T Shear of Anhydrite
DTSM_BIOT	Delta T Shear of Biotite
DTSM_CALC	Delta T Shear of Calcite
DTSM_CARB	Delta T Shear of Carbonate
DTSM_CHLO	Delta T Shear of Chlorite
DTSM_CLA1	Delta T Shear of Clay 1
DTSM_CLA2	Delta T Shear of Clay 2
DTSM_CLAY	Delta T Shear of Clay
DTSM_COAL	Delta T Shear of Coal
DTSM_DOLO	Delta T Shear of Dolomite
DTSM_EVAP	Delta T Shear of Evaporite
DTSM_FELD	Delta T Shear of Felspar
DTSM_GLAU	Delta T Shear of Glauconite
DTSM_GYPS	Delta T Shear of Gypsum
DTSM_HALI	Delta T Shear of Halite
DTSM_IGNE	Delta T Shear of Igneous Rock
DTSM_ILLI	Delta T Shear of Illite
DTSM_ISOL	Delta T Shear of Isolated Porosity
DTSM_KAOL	Delta T Shear of Kaolinite
DTSM_META	Delta T Shear of Metamorphic Rock
DTSM_MONT	Delta T Shear of Montmorillonite
DTSM_MUSC	Dt Shear of Muscovite
DTSM_ORTH	Delta T Shear of Orthoclase
DTSM_PYRI	Delta T Shear of Pyrite
DTSM_QUAR	Delta T Shear of Quartz
DTSM_SAND	Delta T Shear of Sand
DTSM_SHAL	Delta T Shear of Shale
DTSM_SIDE	Delta T Shear of Siderite
DTSM_SILT	Delta T Shear of Silt
DTSM_SMI1	Delta T Shear of Special Mineral 1
DTSM_SMI2	Delta T Shear of Special Mineral 2
DWOB	Downhole Weight on Bit
EXPN	Exponent
FVIS	Fluid Viscosity Downhole
HYD_DIFFUSIVITY	Hydraulic Diffusivity
IFLAG	Integer Flag
IMPACT_SES	IMPACT Session File Name
INVFAC	Invasion Factor
MANZON	Manual Zonation Model
METHOD	Method Name
NMAX	Max Number of Iterations
PDDP	Producing Downhole Pressure
RHOB_ALBI	Bulk Density response parameter for Albite
RHOB_ANHY	Bulk Density response parameter for Anhydrite
RHOB_BIOT	Bulk Density response parameter for Biotite
RHOB_CALC	Bulk Density response parameter for Calcite
RHOB_CARB	Bulk Density response parameter for Carbonate
RHOB_CHLO	Bulk Density response parameter for Chlorite
RHOB_CLA1	Bulk Density response parameter for Clay 1
RHOB_CLA2	Bulk Density response parameter for Clay 2
RHOB_CLAY	Bulk Density of Clay
RHOB_COAL	Bulk Density response parameter for Coal
RHOB_DOLO	Bulk Density response parameter for Dolomite
RHOB_EVAP	Bulk Density response parameter for Evaporate
RHOB_FELD	Bulk Density response parameter for Feldspar
RHOB_GLAU	Bulk Density response parameter for Glauconite
RHOB_GYPS	Bulk Density response parameter for Gypsum
RHOB_HALI	Bulk Density response parameter for Halite
RHOB_IGNE	Bulk Density response parameter for Igneous
RHOB_ILLI	Bulk Density response parameter for Illite
RHOB_ISOL	Bulk Density response parameter for Isolated
RHOB_KAOL	Bulk Density response parameter for Kaolinite
RHOB_META	Bulk Density response parameter for Metamorphic
RHOB_MONT	Bulk Density response parameter for Montmorillonite
RHOB_MUSC	Bulk Density response parameter for Muscovite
RHOB_ORTH	Bulk Density response parameter for Orthoclase
RHOB_PARA	Bulk Density response parameter for Parallel
RHOB_PYRI	Bulk Density response parameter for Pyrite
RHOB_QUAR	Bulk Density response parameter for Quartz
RHOB_SAND	Bulk Density response parameter for Sand
RHOB_SHAL	Bulk Density response parameter for Shale
RHOB_SIDE	Bulk Density response parameter for Siderite
RHOB_SILT	Bulk Density response parameter for Silt
RHOB_SMI1	Bulk Density response parameter for Special Mineral 1
RHOB_SMI2	Bulk Density response parameter for Special Mineral 2
RHOB_UGAS	Bulk Density response parameter for Undisturbed Zone Gas
RHOB_UIWA	Bulk Density response parameter for Undisturbed Zone Irreducible Water
RHOB_UOIL	Bulk Density response parameter for Undisturbed Zone Oil
RHOB_USFL	Bulk Density response parameter for Undisturbed Zone Special Fluid
RHOB_UWAT	Bulk Density response parameter for Undisturbed Zone Water
RHOB_XBWA	Bulk Density response parameter for Flushed Zone Bound Water
RHOB_XGAS	Bulk Density response parameter for Flushed Zone Gas
RHOB_XIWA	Bulk Density response parameter for Flushed Zone Irreducible Water
RHOB_XOIL	Bulk Density response parameter for Flushed Zone Oil
RHOB_XSFL	Bulk Density response parameter for Flushed Zone Special Fluid
RHOB_XWAT	Bulk Density response parameter for Flushed Zone Water
RMD	Reference measured depth
RSMSM_ALBI	Ratio Skeleton to Shear Modulus for Albite
RSMSM_ANHY	Ratio Skeleton to Shear Modulus for Anhydrite
RSMSM_BIOT	Ratio Skeleton to Shear Modulus for Biotite
RSMSM_CALC	Ratio Skeleton to Shear Modulus for Calcite
RSMSM_CARB	Ratio Skeleton to Shear Modulus for Carbonate
RSMSM_CHLO	Ratio Skeleton to Shear Modulus for Chlorite
RSMSM_CLA1	Ratio Skeleton to Shear Modulus for Clay 1
RSMSM_CLA2	Ratio Skeleton to Shear Modulus for Clay 2
RSMSM_CLAY	Ratio Skeleton Modulus to Shear Modulus for Clay
RSMSM_COAL	Ratio Skeleton to Shear Modulus for Coal
RSMSM_DOLO	Ratio Skeleton to Shear Modulus for Dolomite
RSMSM_EVAP	Ratio Skeleton to Shear Modulus for Evaporate
RSMSM_FELD	Ratio Skeleton to Shear Modulus for Feldspar
RSMSM_GLAU	Ratio Skeleton to Shear Modulus for Glauconite
RSMSM_GYPS	Ratio Skeleton to Shear Modulus for Gypsum
RSMSM_HALI	Ratio Skeleton to Shear Modulus for Halite
RSMSM_IGNE	Ratio Skeleton to Shear Modulus for Igneous
RSMSM_ILLI	Ratio Skeleton to Shear Modulus for Illite
RSMSM_KAOL	Ratio Skeleton to Shear Modulus for Kaolinite
RSMSM_META	Ratio Skeleton to Shear Modulus for Metamorphic
RSMSM_MONT	Ratio Skeleton to Shear Modulus for Montmorillonite
RSMSM_MUSC	Ratio Skeleton to Shear Modulus for Muscovite
RSMSM_ORTH	Ratio Skeleton to Shear Modulus for Orthoclase
RSMSM_PYRI	Ratio Skeleton to Shear Modulus for Pyrite
RSMSM_QUAR	Ratio Skeleton to Shear Modulus for Quartz
RSMSM_SAND	Ratio Skeleton to Shear Modulus for Sand
RSMSM_SHAL	Ratio Skeleton to Shear Modulus for Shale
RSMSM_SIDE	Ratio Skeleton to Shear Modulus for Siderite
RSMSM_SILT	Ratio Skeleton to Shear Modulus for Silt
RSMSM_SMI1	Ratio Skeleton to Shear Modulus for Special Mineral 1
RSMSM_SMI2	Ratio Skeleton to Shear Modulus for Special Mineral 2
TIME_TO_FAILURE	Time to Failure, as for Pore Pressure Estimation
TZSG	Total Vertical Stress Gradient
WCLP_CHLO	Wet Clay Porosity for Chlorite
WCLP_CLA1	Wet Clay Porosity for Clay 1
WCLP_CLA2	Wet Clay Porosity for Clay 2
WCLP_CLAY	Wet Clay Porosity for Clay
WCLP_GLAU	Wet Clay Porosity for Glauconite
WCLP_ILLI	Wet Clay Porosity for Illite
WCLP_KAOL	Wet Clay Porosity for Kaolinite
WCLP_MONT	Wet Clay Porosity for Montmorillonite
WFF	Weight of Fracturing Fluid
WMUD	Weight of Mud

Return to Curve Mnemonic Dictionary