Neural networks for flow bottom hole pressure prediction

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Installation of down-hole gauges in oil wells to determine Flowing Bottom-Hole Pressure (FBHP) is a dominant process especially in wells lifted with electrical submersible pumps. However, intervening a well occasionally is an exhaustive task, associated with production risk, and interruption. The previous empirical correlations and mechanistic models failed to provide a satisfactory and reliable tool for estimating pressure drop in multiphase flowing wells. This paper aims to find the optimum parameters of Feed-Forward Neural Network (FFNN) with back-propagation algorithm to predict the flowing bottom-hole pressure in vertical oil wells. The developed neural network models rely on a large amount of available historical data measured from actual different oil fields. The unsurpassed number of neural network layers, the number of neurons per layer, and the number of trained samples required to get an outstanding performance have been obtained. Intensive experiments have been conducted and for the sake of qualitative comparison, Radial Basis neural and network and the empirical modes have been developed. The paper showed that the accuracy of FBHP estimation using FFNN with two hidden layer model is better than FFNN with single hidden layer model, Radial Basis neural network, and the empirical model in terms of data set used, mean square error, and the correlation coefficient error. With best results of 1.4 root mean square error (RMSE), 1.4 standard deviation of relative error (STD), correlation coefficient (R) 1.0 and 99.4% of the test data sets achieved less than 5% error. The minimum sufficient number of data sets used in training ANN model can be low as 12.5% of the total data sets to give 3.4 RMSE and 97% of the test data achieved 90% accuracy.

Original languageEnglish
Pages (from-to)1839-1856
Number of pages18
JournalInternational Journal of Electrical and Computer Engineering
Volume6
Issue number4
DOIs
Publication statusPublished - Aug 1 2016

Fingerprint

Bottom hole pressure
Neural networks
Feedforward neural networks
Mean square error
Oil wells
Flowing wells
Submersible pumps
Backpropagation algorithms
Network layers
Oil fields
Neurons
Gages
Pressure drop

Keywords

  • Feed-forward neural network
  • Flowing bottom-hole pressure
  • Hole pressure
  • Radial basis neural network
  • The empirical modes

ASJC Scopus subject areas

  • Computer Science(all)
  • Electrical and Electronic Engineering

Cite this

Neural networks for flow bottom hole pressure prediction. / Awadalla, Medhat; Yousef, Hassan.

In: International Journal of Electrical and Computer Engineering, Vol. 6, No. 4, 01.08.2016, p. 1839-1856.

Research output: Contribution to journalArticle

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