Technical Paper: Downhole Fluid Density for Water-Base Mud Formation-Water Sampling with Wireline Formation Tester

Society: IPTC
Paper Number: 13269
Presentation Date: 2009


A vibrating rod downhole fluid density device with the unique perpendicular oscillation modes provides in-situ fluid density measurements that improve a wireline formation tester’s pressure, mobility, downhole fluid analysis, and sampling applications.

The measurement applications for the real-time water-base mud (WBM) formation-water sampling include contamination monitoring, in-situ fluid density, fluids identification, pressure gradient and fluid contact, and vertical compartmentalization. Field examples validate the measurements with the sample laboratory analysis and other measurements.

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