Virtual flow metering improves Chinese offshore production

09/01/2014
Zhi Wang Jing Gong Haihao Wu Changcun Wu China University of Petroleum Qingpin Li China National Offshore Oil Corp. (CNOOC) Beijing A common problem for inflow-rate metering in subsea wells is the lack of real-time, three-phase flow rates, which are critical for reservoir characterization and well optimization. One remedy is to install subsea physical multiphase flowmeters. However, this is expensive, and testing, calibrating, and post-installation tuning can be problematic. Also, for subsea installations it is not economically viable to remove these meters to perform necessary maintenance. Increasingly, operating companies are turning to software-based solutions to estimate well fl...
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