An Echo State Network-Based Soft Sensor of Downhole Pressure for a Gas-Lift Oil Well

  • Eric Aislan AntoneloEmail author
  • Eduardo Camponogara
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 517)


Soft sensor technology has been increasingly used in industry. Its importance is magnified when the process variable to be estimated is key to control and monitoring processes and the respective sensor either has a high probability of failure or is unreliable due to harsh environment conditions. This is the case for permanent downhole gauge (PDG) sensors in the oil and gas industry, which measure pressure and temperature in deepwater oil wells. In this paper, historical data obtained from an actual offshore oil well is used to build a black box model that estimates the PDG downhole pressure from platform variables, using Echo State Networks (ESNs), which are a class of recurrent networks with powerful modeling capabilities. These networks, differently from other neural networks models used by most soft sensors in literature, can model the nonlinear dynamical properties present in the noisy real-world data by using a two-layer structure with efficient training: a recurrent nonlinear layer with fixed randomly generated weights and a linear adaptive readout output layer. Experimental results show that ESNs are a promising technique to model soft sensors in an industrial setting.


Echo state network Soft sensor Gas-lift oil well Reservoir computing 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Department of Automation and Systems EngineeringFederal University of Santa CatarinaFlorianópolisBrazil

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