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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering , Engineering, Electrical & Electronic


eISSN: 1178-5608



VOLUME 10 , ISSUE 1 (March 2017) > List of articles


Tareq Aziz AL-Qutami * / Rosdiazli Ibrahim / Idris Ismail / Mohd Azmin Ishak

Keywords : Multiphase Flow, Soft Sensor, Virtual Flow Meter, Neural Network, early stopping.

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 10, Issue 1, Pages 199-222, DOI:

License : (CC BY-NC-ND 4.0)

Received Date : 25-January-2017 / Accepted: 01-February-2017 / Published Online: 01-March-2017



This paper proposes a soft sensor to estimate phase flow rates utilizing common measurements in oil and gas production wells. The developed system addresses the limited production monitoring due to using common metering facilities. It offers a cost-effective solution to meet real-time monitoring demands, reduces operational and maintenance costs, and acts as a back-up to multiphase flow meters. The soft sensor is developed using feed-forward neural network, and generalization and network complexity are regulated using K-fold cross-validation and early stopping technique. The soft sensor is validated using actual well test data from producing wells, and model performance is analyzed using cumulative deviation and cumulative flow plots. The developed soft sensor shows promising performance with a mean absolute percent error of around 4% and less than 10% deviation for 90% of the samples.

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