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WHST LOGGING TOOL Series Capacitance Water Hold-Up Tool


The capacitance module (WHST-A) can be run to get the water-hydrocarbon ratio in a continuous basis, so you can determine the “water hold-up” at every depth. This tool can be run alone or in combination with other modules like the PSST-A (pressure, fast response temperature and CCL) to obtain quantitative measurements of a three phase well then being able to evaluate the production profile while the tool is moving throughout the perforated zones. Alternative uses for this tool could be, leak localization, level and/or fluid identification in shut or abandoned wells among others..

Technical Specifications

Water Hold-Up Range 0 – 40 % Precision 1% FS (Temperature Compensated) Resolution < 0.1% FS Measured Unit Hz o CPS Sampling Rate 15 samples / second Max. Operating Temperature 150ºC (300ºF) )

Mechanical Specifications

Outer Diameter 43 mm (1-11/16”) Length 556 mm H2S Resistant YES Communication Type: Real Time/Memory Acquisition Software WSS or MemLogPLT (Windows XP/W7/W10)