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Volumetric flow rate along the borehole, which is varying along hole due to pressure & temperature variation and communication with behind-tubing or behind-casing fluid stocks or sources.



Specific volumetric flow rate in each reservoir unit contacting the well trajectory.

Log NameQZI, QZIW, QZIO, QZIG
Math Symbol

q_{h}, \ q_{hw}, q_{ho}, q_{hg}

ModelPLT-BFP Model
UnitsSIOil MetricOil Field

m2/sm2/dbblft

BFP Tools


LSPDCable line velocity




INCLInclination log
GRGamma Ray Log
CCLCasing Collar Locator
PRESSUREFluid Pressure Log
TEMPFluid Temperature LogAvailable as Array Sensor Log
SPINNERSpinner LogAvailable as Array Sensor Log
FCOND / FRESFluid Conductivity Log / Fluid Resistivity LogAvailable as Array Sensor Log
FCAPFluid Capacitance LogAvailable as Array Sensor Log
GRADDifferential Pressure Log


GRHOGamma Density Log
OPTOptical Log

See Also


Petroleum Industry / Upstream /  Data Acquisition / Well & Reservoir Surveillance / Well logging / Cased-Hole Logging / Production Logging (PLT) 

Well & Log Analysis ][ Reservoir Flow Profiling (RFP) ][ Temperature Flow Logging ]

PLT – Donwnhole Tools ] [ PLT – Logging Procedure ] [ PLT – Interpretation ] [ PLT – Samples ]





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