Schlumberger

Mnemonics, Software product, RESSUM


CodeRESSUM
NameResSum
DisciplineGeology
TypeAPPLICATION
DescriptionReservoir summation module to compute averaged and lumped properties in zone intervals along borehole

Related channels
ChannelDescription
LUMP_FLAG Channel created during lump processing to indicate pay zones

Related parameters
ParameterDescription
CN Company Name
CTRY Country
DISCR1_CURVE_NAME Name of curve used as discriminator 1
DISCR1_CUTOFF Cutoff value for first discriminator curve
DISCR1_OPERATOR Cutoff comparison operator for discriminator 1: >, =>, <. <=...
DISCR2_CURVE_NAME Name of curve used as discriminator 2
DISCR2_CUTOFF Cutoff value for second discriminator curve
DISCR2_OPERATOR Cutoff comparison operator for discriminator 2: >, =>, <. <=...
DISCRIMINATOR_1_CUTOFF Cutoff value for first discriminator
DISCRIMINATOR_2_CUTOFF Cutoff value for second discriminator
FN Field Name
GROSS_POROSITY Porosity of an interval averaged over the gross thickness
GROSS_THICKNESS Total thickness of the interval, after applying any discriminator cutoffs specified as Initial.
MAX_GAMMA_RAY Maximum value of Gamma Ray
MAX_GR_API Cutoff value for GR curve
MAX_SHALE_VOLUME_FRACTION Maximum value of Shale/Clay volume fraction
MAX_VOL_SHALE_CLAY Cutoff value for Vshale or Vclay curve
MAX_WATER_SATURATION Cutoff value for Water Saturation curve
MIN_NET_THICKNESS Minimum net thickness; beds thinner than this do not contribute to Net Thickness. See MIN_NON_NET_THICKNESS
MIN_NON_NET_THICKNESS Minimum non-net thickness; if isolating shale beds are thinner than this, the sand they isolate is considered to contribute to Net Thickness.
MIN_PERMEABILITY Cutoff value for Permeability curve
MIN_POROSITY Cutoff value for Porosity curve
NET_CUTOFF_ABSENT_FRACTION Fraction of the summation interval for which data to apply "Net" cutoff criteria are unavailable.
NET_GROSS_THICKNESS_RATIO Ratio of Net_Thickness to Gross_Thickness
NET_PAY_CLAY_VOLUME_FRACTION Average clay volume fraction in the net pay portion of the zone interval (thickness weighted arithmetic average).
NET_PAY_CUTOFF_ABSENT_FRACTION Fraction of the summation interval for which data to apply "Net_Pay" cutoff criteria are unavailable (including the fraction for which "Net" or "Net_Reservoir" criteria are unavailable).
NET_PAY_FLUSHED_ZONE_WATER_SATURATION Average flushed zone water saturation in the net pay portion of the zone (thickness weighted arithmetic average).
NET_PAY_GROSS_THICKNESS_RATIO Ratio of Net_Pay_Thickness to Gross_Thickness
NET_PAY_HC_POROSITY_THICKNESS Total Net Pay hydrocarbon porosity-thickness for all zones; that portion of Net_Pay_Porosity_Thickness which is hydrocarbon-filled.
NET_PAY_MOVED_HC_POROSITY_THICKNESS The net pay moved hydrocarbon volume multiplied by the net pay thickness; the portion of Net Pay Porosity Thickness filled with moved hydrocarbons.
NET_PAY_MOVED_HC_VOLUME_FRACTION Net pay moved hydrocarbon volume fraction: moved oil saturation (Sxo-Sw) in the net pay of the zone multiplied by the net pay average porosity.
NET_PAY_PERMEABILITY Average permeability in the net pay portion of the zone interval (thickness weighted arithmetic average).
NET_PAY_PERMEABILITY_THICKNESS Thickness of the permeable net pay portion of the zone i.e., the product of the Net Pay Thickness and Net Pay Average Permeability
NET_PAY_POROSITY Porosity of the Net Pay zone
NET_PAY_POROSITY_THICKNESS Total net pay porosity-thickness of the zone interval: the product of Net Pay Thickness and Net Pay Average Porosity
NET_PAY_THICKNESS Net Pay thickness, i.e. thickness after applying Shale, Porosity and Water Saturation cutoffs
NET_PAY_WATER_SATURATION Average water saturation in the net pay portion of the zone (thickness weighted arithmetic average).
NET_RESERVOIR_CLAY_VOLUME_FRACTION Average volume fraction of clay in the Net Reservoir portion of the zone (thickness weighted arithmetic average).
NET_RESERVOIR_CUTOFF_ABSENT_FRACTION Fraction of the summation interval for which data to apply "Net_Reservoir" cutoff criteria are unavailable (including the fraction for which "Net" criteria are unavailable).
NET_RESERVOIR_FLUSHED_ZONE_WATER_SATURATION Average flushed zone water saturation in the net reservoir portion of the zone (thickness weighted arithmetic average).
NET_RESERVOIR_GROSS_THICKNESS_RATIO Ratio of Net_Reservoir_Thickness to Gross_Thickness
NET_RESERVOIR_PERMEABILITY Average permeability in the net reservoir portion of the zone interval (thickness weighted arithmetic/geometric/harmonic average).
NET_RESERVOIR_PERMEABILITY_THICKNESS The product of the Net Reservoir Thickness and Net Reservoir Average Permeability.
NET_RESERVOIR_POROSITY Average porosity in the Net Reservoir portion of the zone (thickness weighted arithmetic average).
NET_RESERVOIR_POROSITY_THICKNESS Total pore thickness of the zone; i.e. the product of Porosity and Net_Reservoir_Thickness.
NET_RESERVOIR_THICKNESS Total thickness of the porous portion of the zone; i.e. the footage which satisfies the Net Thickness conditions and which has porosity suitable to be a potential reservoir.
NET_RESERVOIR_WATER_SATURATION Average water saturation in the net reservoir portion of the zone (thickness weighted arithmetic average).
NET_SHALE_THICKNESS Shale thickness: difference between Gross Thickness and Net Thickness
NET_THICKNESS Total Net thickness, i.e. thickness after applying Shale cutoff
PERM_AVG_METHOD Method used for averaging permeability - ARITHMETIC or GEOMETRIC
PERMEABILITY_CURVE_NAME Name of curve used as permeability cutoff
POROSITY_CURVE_NAME Name of curve used as porosity cutoff
PROJECT_NAME Name of user project
SAND_VOLUME_FRACTION Percentage of sand (non shale)
SHALE_VOLUME_FRACTION Percentage of shale
STAT State or Province
SW_CURVE_NAME Name of curve used as water saturation cutoff
VCLAY_CURVE_NAME Name of curve used as clay volume cutoff
WELL_OPERATOR Name of the well operator
WN Well Name


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