Density, dielectric constant and PVT measurements of a gas condensate fluid

Simultaneous measurements of the volume, dielectric constant and density have been made in both the vapor and liquid phases of a gas condensate fluid. The dielectric constant was measured with a microwave reentrant resonator, the density with a commercial vibrating tube densimeter and the volume with a PVT cell optimised for measurements on gas condensate fluids. Gas chromatography (GC) was used to determine the fluidʹs composition. Sample fluid in the microwave resonator, densimeter and PVT cell could be thoroughly mixed expediting equilibrium and preserving sample integrity. Measurements were made at approximately 308 and 318 K at 12.4 MPa, conditions representative of the well head. These data will allow the calibration of multiphase flow meters used in the production stream of this fluid. The data are compared with the predictions of a cubic equation of state to ascertain whether simple correlations can provide the accuracy necessary to calibrate multiphase flow meters.