Useful criteria for selecting a watercut monitor ///

Measuring the percentage of water in oil (watercut) is necessary in oil production. Several technologies are used to measure watercut across a full range of applications. Among the criteria for selecting which technology to use includes accuracy, sensing range, process characteristics, mechanical configuration, maintenance requirements and price. Each technology addresses the identified criteria through various design approaches. However, to achieve the greatest value and performance, device users should be conscious of their application parameters before selecting the right technology. This article provides a basis for comparing the capabilities, advantages and disadvantages of watercut technologies. This paper is limited to the discussion of in-line, dual-phase measurement devices that are used for process control and custody transfer. It does not attempt to discuss technologies that measure in the PPM ranges (fluorescence, aluminum-oxide, etc.), or the various sampling techniques that are used in field operations and the laboratory.

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