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Reservoir Sensitivity Forecasting Method Based on Hybrid Improved CNN and BiGRU Unit

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DOI: 10.23977/acss.2024.080404 | Downloads: 8 | Views: 60

Author(s)

Weizhi Ni 1, Yi Wang 1, Xuewen Chen 1

Affiliation(s)

1 Computer Science and Engineering Department, Sichuan University of Science and Engineering, Yibin, China

Corresponding Author

Yi Wang

ABSTRACT

Reservoir sensitivity evaluation is used to evaluate the degree of damage to various operating fluids and production parameters of the reservoir in the production process of oil and gas wells. The neural network is widely used in reservoir sensitivity forecasting because of its nonlinear solid fitting and generalisation ability. Although many neural network models have been applied to reservoir sensitivity forecasting, there is still room for improvement in the accuracy of the models. Therefore, to improve the prediction accuracy of the forecasting model, this study will introduce a novel convolutional neural network model (WOA-CNN-BiGRU) integrated with a whale optimisation algorithm and bidirectional gated recurrent unit to forecast the sensitivity of low permeability reservoir. The experiment used relevant datasets to test the model strictly, and the previous BPNN, Elman, and RBF models were compared. The result shows that the percentage error of the WOA-CNN-BiGRU model was as low as 2.6%, which was lower than other forecasting models. The results show that the accuracy of the WOA-CNN-BiGRU model is not only higher than that of engineering measurement methods but also higher than that of other existing models, which has a good potential for application in the industry of reservoir sensitivity forecasting.

KEYWORDS

Reservoir damage, data analysis, forecasting model, optimization algorithm, neural network

CITE THIS PAPER

Weizhi Ni, Yi Wang, Xuewen Chen, Reservoir Sensitivity Forecasting Method Based on Hybrid Improved CNN and BiGRU Unit. Advances in Computer, Signals and Systems (2024) Vol. 8: 20-31. DOI: http://dx.doi.org/10.23977/acss.2024.080404.

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