Machine Learning Algorithms for Predicting Reservoir Porosity using Stratigraphic-dependent Parameters

1
Aliyuda Ali
Aliyuda Ali
2
Abdulwahab Muhammed Bello
Abdulwahab Muhammed Bello
3
Jerry Raymond
Jerry Raymond
1 Gombe State University

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Predicting reservoir porosity, permeability and other reservoir parameters are very important but arduous task in formation evaluation, reservoir geophysics and reservoir engineering. Recent successes in machine learning and data analytics in different geoscience disciplines provides the opportunity to offer cheaper and faster techniques of predicting reservoir properties. This study used gross depositional environments, reservoir depth, diagenetic impact, permeability and stratigraphic heterogeneity from a database of 93 reservoir to predict reservoir porosity. The data for this study includes numeric and categorical descriptions of 93 reservoirs across the UK and Norwegian sector of the North Sea. Five models were trained using linear regression, support vector machine (SVM), boosted tree, bagged tree and random forest algorithms. The performance of the different models was evaluated using R-squared (R 2 ), root mean square error (RMSE) and mean absolute error (MAE). Model trained using random forest algorithm with R 2 score of 0.75, RMSE of 0.118 and MAE of 0.0028 outperformed other models. A comparison between predicted porosity and the actual porosity in training data and testing data show a good match, indicating the ability of the random forest model to make prediction on unseen data.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Aliyuda Ali. 2026. \u201cMachine Learning Algorithms for Predicting Reservoir Porosity using Stratigraphic-dependent Parameters\u201d. Global Journal of Computer Science and Technology - G: Interdisciplinary GJCST-G Volume 22 (GJCST Volume 22 Issue G1): .

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High-resolution reservoir porosity prediction.
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GJCST Volume 22 Issue G1
Pg. 15- 25
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Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

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May 21, 2022

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Predicting reservoir porosity, permeability and other reservoir parameters are very important but arduous task in formation evaluation, reservoir geophysics and reservoir engineering. Recent successes in machine learning and data analytics in different geoscience disciplines provides the opportunity to offer cheaper and faster techniques of predicting reservoir properties. This study used gross depositional environments, reservoir depth, diagenetic impact, permeability and stratigraphic heterogeneity from a database of 93 reservoir to predict reservoir porosity. The data for this study includes numeric and categorical descriptions of 93 reservoirs across the UK and Norwegian sector of the North Sea. Five models were trained using linear regression, support vector machine (SVM), boosted tree, bagged tree and random forest algorithms. The performance of the different models was evaluated using R-squared (R 2 ), root mean square error (RMSE) and mean absolute error (MAE). Model trained using random forest algorithm with R 2 score of 0.75, RMSE of 0.118 and MAE of 0.0028 outperformed other models. A comparison between predicted porosity and the actual porosity in training data and testing data show a good match, indicating the ability of the random forest model to make prediction on unseen data.

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Machine Learning Algorithms for Predicting Reservoir Porosity using Stratigraphic-dependent Parameters

Aliyuda Ali
Aliyuda Ali Gombe State University
Abdulwahab Muhammed Bello
Abdulwahab Muhammed Bello
Jerry Raymond
Jerry Raymond

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