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Apparatus and methods for the characterization of the dielectric response of borehole fluids using a photonic bandgap microwave resonant cavity
Apparatus and methods for the characterization of the dielectric response of borehole fluids using a photonic bandgap microwave resonant cavity
A method for characterizing the dielectric response of a fluid includes receiving the fluid into a portion of a flow line that is disposed proximate to a photonic bandgap (PBG) resonant cavity so that a dielectric permittivity of the fluid affects a frequency response of the resonant cavity. The method further includes providing electromagnetic waves to the resonant cavity and measuring a frequency response of the resonant cavity in the presence of the fluid in the flow line. The method further includes determining a property of a resonant mode of the resonant cavity using the frequency response and determining a property of the fluid using the property of the resonant mode.
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