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DeploymentBorehole
Log NameCAP
Measured PropertyFluid capacitance
Sensor TypeCapacitor
Units
SIHz 
Oil MetricRPM  = 60 Hz
Oil Field

RPM  = 60 Hz


Applications



  • Assesing donwhole flowrate


Sample Logs




Tool Schematic





Mathematical Model



CAP = CAP_w s_w + CAP_o s_o + CAP_g s_g

where  s_w + s_o + s_g = 1 – volumetric fractions of water, oil and gas phase,  \{ CAP_w , \ CAP_o , \ CAP_g \} – are reference values for capacitance of water, oil and gas at given temperature and pressure.


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