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Olivier Lopez
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Journal Articles

Semi-Automated Rock Classification for Permeability Estimation Using High-Resolution Computed Tomography Scan Images, Core Photos, and Well Logs

Andres Gonzalez, Pallavi Sahu, Zoya Heidari, Olivier Lopez
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 29 (01): 157–174.
Paper Number: SPE-209979-PA
https://doi.org/10.2118/209979-PA
Published: 10 January 2024
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View article titled, Semi-Automated Rock Classification for Permeability Estimation Using High-Resolution Computed Tomography Scan Images, Core Photos, and Well Logs
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Proceedings Papers

Propagating Image-Based Rock Classes from Cored Wells to Non-Cored Wells Using Supervised Machine Learning for Enhanced Formation Evaluation

Pallavi Sahu, Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0081
https://doi.org/10.30632/SPWLA-2023-0081
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View Paper titled, Propagating Image-Based Rock Classes from Cored Wells to Non-Cored Wells Using Supervised Machine Learning for Enhanced Formation Evaluation
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Journal Articles

Data-Driven Algorithms for Image-Based Rock Classification and Formation Evaluation in Formations With Rapid Spatial Variation in Rock Fabric

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (02): 154–173.
Paper Number: SPWLA-2023-v64n2a2
https://doi.org/10.30632/PJV64N2-2023a2
Published: 04 April 2023
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View article titled, Data-Driven Algorithms for Image-Based Rock Classification and Formation Evaluation in Formations With Rapid Spatial Variation in Rock Fabric
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Journal Articles

Electrical, Diffusional, Hydraulic, and Geometrical Tortuosity Anisotropy Quantification Using 3D Computed Tomography Scan Image Data

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Journal: SPE Reservoir Evaluation & Engineering
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 26 (01): 23–39.
Paper Number: SPE-206109-PA
https://doi.org/10.2118/206109-PA
Published: 08 February 2023
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View article titled, Electrical, Diffusional, Hydraulic, and Geometrical Tortuosity Anisotropy Quantification Using 3D Computed Tomography Scan Image Data
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Proceedings Papers

Automated Rock Classification Using High-Resolution CT-Scan Images and Core Photos in a Siliciclastic Formation Used for CO 2 Storage

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-209979-MS
https://doi.org/10.2118/209979-MS
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View Paper titled, Automated Rock Classification Using High-Resolution CT-Scan Images and Core Photos in a Siliciclastic Formation Used for CO 2 Storage
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Proceedings Papers

Data-Driven Algorithms for Image-Based Rock Classification and Formation Evaluation in Formations with Rapid Spatial Variation in Rock Fabric

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0018
https://doi.org/10.30632/SPWLA-2022-0018
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View Paper titled, Data-Driven Algorithms for Image-Based Rock Classification and Formation Evaluation in Formations with Rapid Spatial Variation in Rock Fabric
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Journal Articles

Integration of 3D Volumetric Computed Tomography Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Journal: SPE Reservoir Evaluation & Engineering
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 25 (02): 146–162.
Paper Number: SPE-208605-PA
https://doi.org/10.2118/208605-PA
Published: 11 May 2022
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View article titled, Integration of 3D Volumetric Computed Tomography Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes
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Proceedings Papers

Electrical, Diffusional, and Hydraulic Tortuosity Anisotropy Quantification Using 3D CT-Scan Image Data

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206109-MS
https://doi.org/10.2118/206109-MS
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View Paper titled, Electrical, Diffusional, and Hydraulic Tortuosity Anisotropy Quantification Using 3D CT-Scan Image Data
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Proceedings Papers

A New Optimization Method for Enhanced Formation Evaluation and Robust Physics-Based Automatic Rock Classification Using High-Resolution CT-Scan Image Data and Conventional Well Logs

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0030
https://doi.org/10.30632/SPWLA-2021-0030
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View Paper titled, A New Optimization Method for Enhanced Formation Evaluation and Robust Physics-Based Automatic Rock Classification Using High-Resolution CT-Scan Image Data and Conventional Well Logs
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Proceedings Papers

Anisotropy Quantification Using High-Resolution Whole-Core CT-Scan Images

Andres Gonzalez, Mehdi Teymouri, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0087
https://doi.org/10.30632/SPWLA-2021-0087
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View Paper titled, Anisotropy Quantification Using High-Resolution Whole-Core CT-Scan Images
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Proceedings Papers

A Deep-Learning Approach for Lithological Classification Using 3D Whole Core CT-Scan Images

Kurdistan Chawshin, Carl Fredrik Berg, Damiano Varagnolo, Olivier Lopez
Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0029
https://doi.org/10.30632/SPWLA-2021-0029
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View Paper titled, A Deep-Learning Approach for Lithological Classification Using 3D Whole Core CT-Scan Images
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Journal Articles

Integrated Multiphysics Workflow for Automatic Rock Classification and Formation Evaluation Using Multiscale Image Analysis and Conventional Well Logs

Andres Gonzalez, Lawrence Kanyan, Zoya Heidari, Olivier Lopez
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 61 (05): 495–518.
Paper Number: SPWLA-2020-v61n5a7
https://doi.org/10.30632/PJV61N5-2020a7
Published: 01 October 2020
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View article titled, Integrated Multiphysics Workflow for Automatic Rock Classification and Formation Evaluation Using Multiscale Image Analysis and Conventional Well Logs
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Proceedings Papers

Integration of 3D Volumetric CT-Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes

Andres Gonzalez, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5071
https://doi.org/10.30632/SPWLA-5071
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View Paper titled, Integration of 3D Volumetric CT-Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes
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Proceedings Papers

Integrated Multi-Physics Workflow for Automatic Rock Classification and Formation Evaluation Using Multi-Scale Image Analysis and Conventional Well Logs

Andres Gonzalez, Lawrence Kanyan, Zoya Heidari, Olivier Lopez
Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-A
https://doi.org/10.30632/T60ALS-2019_A
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View Paper titled, Integrated Multi-Physics Workflow for Automatic Rock Classification and Formation Evaluation Using Multi-Scale Image Analysis and Conventional Well Logs
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