This paper focuses on the first applications of an improved, second-generation multiple sensor production logging system designed for use in horizontal and highly deviated multiphase producers. Field examples from the Middle East are presented. The system integrates several key measurements to provide a comprehensive analysis of well performance under various conditions and flow rates. An expanded and improved two-dimensional capacitance array is used to define flow regime and measure three-phase holdup, velocities and flow rates. A new three-detector pulsed neutron instrument provides an independent measurement of water velocity, three-phase holdups, and formation water saturation. Auxiliary sensors include an acoustic transducer and distributed temperature sensors useful for gas entry, liquid entry, and behind-casing channel identification. A quartz-pressure gauge measurement is recorded which is also useful in mechanistic models of multiphase flow.
Applications of a new multiple sensor production logging system for horizontal and highly-deviated multiphase producers
2000
14 Seiten, 13 Quellen
Conference paper
English
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