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Data-driven forecasting of naturally fractured reservoirs based on nonlinear autoregressive neural networks with exogenous input

Authors
Journal
Journal of Petroleum Science and Engineering
0920-4105
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.petrol.2014.07.013
Keywords
  • Time Series Forecasting
  • Oil Production Prediction
  • Narx Neural Networks
  • Naturally Fractured Reservoirs
Disciplines
  • Computer Science
  • Engineering

Abstract

Abstract In this paper we discuss the results of the modeling of naturally fractured reservoir based on the application of the nonlinear autoregressive neural network with exogenous inputs (NARX). We show that the NARX network can be efficiently applied to multivariate multi-step ahead prediction of reservoir dynamics. Predictability of the time series is studied using the Hurst exponent. We show that preliminary clustering of the time series can increase the precision of the forecasting. We evaluate the proposed approach using a real-world data set describing the dynamic behavior of a naturally fractured oilfield asset located in the coastal swamps of the Gulf of Mexico. This paper is not only intended for proposing a new model but to study carefully and thoroughly several aspects of the application of ANN models to reservoir modeling and to discuss conclusions that could be of the interest for petroleum engineers.

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