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Carlos Torres-Verdín
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Journal Articles

Best Practices in Automatic Permeability Estimation: Machine-Learning Methods vs. Conventional Petrophysical Models

Oriyomi Raheem, Wen Pan, Misael M. Morales, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 789–812.
Paper Number: SPWLA-2024-v65n5a8
https://doi.org/10.30632/PJV65N5-2024a8
Published: 01 October 2024
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View article titled, Best Practices in Automatic Permeability Estimation: Machine-Learning Methods vs. Conventional Petrophysical Models
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Proceedings Papers

Forward Modeling the Formation of Viscous Oils and Tar Mats Over Geologic Time via History-Matching of Reservoir Charge

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Yucel Akkutlu, Oliver C. Mullins
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-221055-MS
https://doi.org/10.2118/221055-MS
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View Paper titled, Forward Modeling the Formation of Viscous Oils and Tar Mats Over Geologic Time via History-Matching of Reservoir Charge
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Proceedings Papers

Automatic well-log baseline correction via deep learning for rapid screening of potential CO 2 storage sites

Misael M. Morales, Carlos Torres-Verdín, Michael Pyrcz, Murray Christie, Vladimir Rabinovich
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4088064
https://doi.org/10.1190/image2024-4088064.1
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View Paper titled, Automatic well-log baseline correction via deep learning for rapid screening of potential CO 2 storage sites
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Proceedings Papers

Biogenic gas charge into oil at the oil-water contact, not vertical migration of oil into biogenic gas reservoir accounts for a Gulf of Mexico reservoir

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101594
https://doi.org/10.1190/image2024-4101594.1
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View Paper titled, Biogenic gas charge into oil at the oil-water contact, not vertical migration of oil into biogenic gas reservoir accounts for a Gulf of Mexico reservoir
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Proceedings Papers

Automatic rock classification from core data to well logs: Using machine learning to accelerate potential CO 2 storage site characterization

Misael M. Morales, Oriyomi Raheem, Carlos Torres-Verdín, Michael Pyrcz, Murray Christie, Vladimir Rabinovich
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091525
https://doi.org/10.1190/image2024-4091525.1
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View Paper titled, Automatic rock classification from core data to well logs: Using machine learning to accelerate potential CO 2 storage site characterization
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Proceedings Papers

Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations

Feiyue Xia, Carlos Torres-Verdín
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092843
https://doi.org/10.1190/image2024-4092843.1
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View Paper titled, Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
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Proceedings Papers

Assessing the influence of shale concentration on dielectric permittivity using frequency-dependent coaxial probe measurements

Domenico Maria Crisafulli, Carlos Torres-Verdín
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093757
https://doi.org/10.1190/image2024-4093757.1
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View Paper titled, Assessing the influence of shale concentration on dielectric permittivity using frequency-dependent coaxial probe measurements
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Proceedings Papers

Improved Detection and Description of 3D Sandstone Injectites in the Grane Field, Central North Sea via 1D Stochastic Inversion of UDAR Measurements

Nazanin Jahani, Carlos Torres-Verdín
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0061
https://doi.org/10.30632/SPWLA-2024-0061
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View Paper titled, Improved Detection and Description of 3D Sandstone Injectites in the Grane Field, Central North Sea via 1D Stochastic Inversion of UDAR Measurements
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Proceedings Papers

Disparate Fluid Distributions of Stacked Gas-Washed Reservoirs Are Successfully History-Matched via Forward Modeling of Fluid Mixing Processes

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, I. Yucel Akkutlu, Oliver C. Mullins
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0036
https://doi.org/10.30632/SPWLA-2024-0036
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View Paper titled, Disparate Fluid Distributions of Stacked Gas-Washed Reservoirs Are Successfully History-Matched via Forward Modeling of Fluid Mixing Processes
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Proceedings Papers

Petrophysical Joint Inversion for the Estimation of Compositional and Storage Properties of Thinly Bedded Reservoirs: A Fully Statistical Approach

Joaquín Ambía, David González, Carlos Torres-Verdín
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0056
https://doi.org/10.30632/SPWLA-2024-0056
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View Paper titled, Petrophysical Joint Inversion for the Estimation of Compositional and Storage Properties of Thinly Bedded Reservoirs: A Fully Statistical Approach
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Proceedings Papers

Inversion-Based Multiwell Petrophysical Interpretation of Well Logs and Core Data via Adaptive Rock Physics Models

Joaquín Ambía, David González, Carlos Torres-Verdín
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0048
https://doi.org/10.30632/SPWLA-2024-0048
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View Paper titled, Inversion-Based Multiwell Petrophysical Interpretation of Well Logs and Core Data via Adaptive Rock Physics Models
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Proceedings Papers

Fast Stochastic Inversion of UDAR Measurements Using Adaptive Multi-Grid Simulated Annealing Guided by Model Parameter Error Estimation

Nazanin Jahani, Wardana Saputra, Carlos Torres-Verdín, Egil Romsås Fjeldberg
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0071
https://doi.org/10.30632/SPWLA-2024-0071
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View Paper titled, Fast Stochastic Inversion of UDAR Measurements Using Adaptive Multi-Grid Simulated Annealing Guided by Model Parameter Error Estimation
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Proceedings Papers

Adaptive Multidimensional Inversion for Borehole Ultra-Deep Azimuthal Resistivity

Wardana Saputra, Joaquin Ambia, Carlos Torres-Verdín, Sofia Davydycheva, Vladimir Druskin, Jörn Zimmerling
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0074
https://doi.org/10.30632/SPWLA-2024-0074
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View Paper titled, Adaptive Multidimensional Inversion for Borehole Ultra-Deep Azimuthal Resistivity
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Proceedings Papers

Simulation of Reservoir Charge to Predict Fluid Compositional Distribution: A New Way to Test the Geologic Model

Tarek S. Mohamed, Morten Kristensen, Shu Pan, Kang Wang, Carlos Torres-Verdin, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23648-MS
https://doi.org/10.2523/IPTC-23648-MS
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View Paper titled, Simulation of Reservoir Charge to Predict Fluid Compositional Distribution: A New Way to Test the Geologic Model
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Proceedings Papers

Abnormal Viscosity and Other Implications of Reservoir Connectivity Inferred from Reservoir Fluid Geodynamics: A Case Study from Deepwater Gulf of Mexico

Tarek S. Mohamed, Carlos Torres-Verdin, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23723-MS
https://doi.org/10.2523/IPTC-23723-MS
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View Paper titled, Abnormal Viscosity and Other Implications of Reservoir Connectivity Inferred from Reservoir Fluid Geodynamics: A Case Study from Deepwater Gulf of Mexico
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Proceedings Papers

Forward Modeling Complex Diffusive Gradients and Matching Measured Diffusive and Quasi- Equilibrium Fluid Distributions in Connected Reservoirs

Tarek S. Mohamed*, Morten Kristensen, Hani Elshahawi, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23427-MS
https://doi.org/10.2523/IPTC-23427-MS
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View Paper titled, Forward Modeling Complex Diffusive Gradients and Matching Measured Diffusive and Quasi- Equilibrium Fluid Distributions in Connected Reservoirs
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Journal Articles

Fluid Contamination Transient Analysis

Camilo Gelvez, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (01): 32–50.
Paper Number: SPWLA-2024-v65n1a2
https://doi.org/10.30632/PJV65N1-2024a2
Published: 02 February 2024
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Journal Articles

Assessment of Depth of Mud-Filtrate Invasion and Water Saturation Using Formation-Tester Measurements: Application to Deeply Invaded Tight-Gas Sandstones

Mohamed Bennis, Tarek S. Mohamed, Carlos Torres-Verdín, German Merletti, Camilo Gelvez
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (06): 931–953.
Paper Number: SPWLA-2023-v64n6a9
https://doi.org/10.30632/PJV64N6-2023a9
Published: 08 December 2023
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View article titled, Assessment of Depth of Mud-Filtrate Invasion and Water Saturation Using Formation-Tester Measurements: Application to Deeply Invaded Tight-Gas Sandstones
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Proceedings Papers

In-Reservoir Mixing Dynamics Over Geologic Time of Separate Gas and Oil Charges in Well-Connected Reservoirs

Tarek S. Mohamed, Morten Kristensen, Shu Pan, Kang Wang, Soraya S. Betancourt, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215051-MS
https://doi.org/10.2118/215051-MS
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View Paper titled, In-Reservoir Mixing Dynamics Over Geologic Time of Separate Gas and Oil Charges in Well-Connected Reservoirs
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Journal Articles

High-Resolution Time-Lapse Monitoring of Mud Invasion in Spatially Complex Rocks Using In-Situ X-Ray Radiography

Pierre Aérens, D. Nicolas Espinoza, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 715–740.
Paper Number: SPWLA-2023-v64n5a7
https://doi.org/10.30632/PJV64N5-2023a7
Published: 02 October 2023
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View article titled, High-Resolution Time-Lapse Monitoring of Mud Invasion in Spatially Complex Rocks Using In-Situ X-Ray Radiography
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