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Carlos Torres-Verdín
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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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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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Journal Articles

Enhanced Reservoir Description via Areal Data Integration and Reservoir Fluid Geodynamics: A Case Study From Deepwater Gulf of Mexico

Tarek S. Mohamed, Carlos Torres-Verdín, Oliver C. Mullins
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 773–795.
Paper Number: SPWLA-2023-v64n5a10
https://doi.org/10.30632/PJV64N5-2023a10
Published: 02 October 2023
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View article titled, Enhanced Reservoir Description via Areal Data Integration and Reservoir Fluid Geodynamics: A Case Study From Deepwater Gulf of Mexico
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Journal Articles

Numerical Simulation of Well Logs Based on Core Measurements: An Effective Method for Data Quality Control and Improved Petrophysical Interpretation

Mohamed Bennis, 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): 753–772.
Paper Number: SPWLA-2023-v64n5a9
https://doi.org/10.30632/PJV64N5-2023a9
Published: 02 October 2023
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View article titled, Numerical Simulation of Well Logs Based on Core Measurements: An Effective Method for Data Quality Control and Improved Petrophysical Interpretation
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Journal Articles

Assessment of True Formation Resistivity and Water Saturation in Deeply Invaded Tight-Gas Sandstones Based on the Combined Numerical Simulation of Mud-Filtrate Invasion and Resistivity Logs

German Merletti, Salim Al Hajri, Michael Rabinovich, Russell Farmer, Mohamed Bennis, Carlos Torres-Verdin
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (04): 502–517.
Paper Number: SPWLA-2023-v64n4a2
https://doi.org/10.30632/PJV64N4-2023a2
Published: 01 August 2023
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View article titled, Assessment of True Formation Resistivity and Water Saturation in Deeply Invaded Tight-Gas Sandstones Based on the Combined Numerical Simulation of Mud-Filtrate Invasion and Resistivity Logs
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Journal Articles

New Iterative Resistivity Modeling Workflow Reduces Uncertainty in the Assessment of Water Saturation in Deeply Invaded Reservoirs

German Merletti, Michael Rabinovich, Salim Al Hajri, William Dawson, Russell Farmer, Joaquin Ambia, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (04): 555–567.
Paper Number: SPWLA-2023-v64n4a5
https://doi.org/10.30632/PJV64N4-2023a5
Published: 01 August 2023
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View article titled, New Iterative Resistivity Modeling Workflow Reduces Uncertainty in the Assessment of Water Saturation in Deeply Invaded Reservoirs
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Journal Articles

Experimental Time-Lapse Visualization of Mud-Filtrate Invasion and Mudcake Deposition Using X-Ray Radiography

Pierre Aérens, Carlos Torres-Verdín, Nicolas Espinoza
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (03): 448–461.
Paper Number: SPWLA-2023-v64n3a9
https://doi.org/10.30632/PJV64N3-2023a9
Published: 01 June 2023
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View article titled, Experimental Time-Lapse Visualization of Mud-Filtrate Invasion and Mudcake Deposition Using X-Ray Radiography
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Journal Articles

Angle-Dependent Ultrasonic Wave Reflection for Estimating High-Resolution Elastic Properties of Complex Rock Samples

Daria Olszowska, Gabriel Gallardo-Giozza, Domenico Crisafulli, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (03): 402–419.
Paper Number: SPWLA-2023-v64n3a6
https://doi.org/10.30632/PJV64N3-2023a6
Published: 01 June 2023
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View article titled, Angle-Dependent Ultrasonic Wave Reflection for Estimating High-Resolution Elastic Properties of Complex Rock Samples
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Journal Articles

Enhancing the Detectability of Deep-Sensing Borehole Electromagnetic Instruments by Joint Inversion of Multiple Logs Within a Probabilistic Geosteering Workflow

Nazanin Jahani, Sergey Alyaev, Joaquín Ambía, Kristian Fossum, Erich Suter, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (01): 80–91.
Paper Number: SPWLA-2023-v64n1a6
https://doi.org/10.30632/PJV64N1-2023a6
Published: 01 February 2023
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View article titled, Enhancing the Detectability of Deep-Sensing Borehole Electromagnetic Instruments by Joint Inversion of Multiple Logs Within a Probabilistic Geosteering Workflow
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Journal Articles

Mud-Filtrate Invasion in Laminated and Spatially Heterogeneous Rocks: High-Resolution In-Situ Visualization and Analysis Using Time-Lapse X-Ray Microcomputed Tomography (Micro-CT)

Colin Schroeder, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (05): 614–641.
Paper Number: SPWLA-2022-v63n5a4
https://doi.org/10.30632/PJV63N5-2022a4
Published: 01 October 2022
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View article titled, Mud-Filtrate Invasion in Laminated and Spatially Heterogeneous Rocks: High-Resolution In-Situ Visualization and Analysis Using Time-Lapse X-Ray Microcomputed Tomography (Micro-CT)
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Journal Articles

Real-Time 2.5D Inversion of LWD Resistivity Measurements Using Deep Learning for Geosteering Applications Across Faulted Formations

Kyubo Noh, Carlos Torres-Verdín, David Pardo
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (04): 506–518.
Paper Number: SPWLA-2022-v63n4a2
https://doi.org/10.30632/PJV63N4-2022a2
Published: 02 August 2022
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View article titled, Real-Time 2.5D Inversion of LWD Resistivity Measurements Using Deep Learning for Geosteering Applications Across Faulted Formations
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Journal Articles

In-Situ Visualization and Characterization of Filter-Cake Deposition Using Time-Lapse Micro-CT Imaging

Colin Schroeder, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (02): 199–217.
Paper Number: SPWLA-2022-v63n2-a4
https://doi.org/10.30632/PJV63N2-2022a4
Published: 01 April 2022
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View article titled, In-Situ Visualization and Characterization of Filter-Cake Deposition Using Time-Lapse Micro-CT Imaging
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Journal Articles

Simulation of Borehole Nuclear Measurements: A Practical Tutorial Guide for Implementation of Monte Carlo Methods and Approximations Based on Flux Sensitivity Functions

Mathilde Luycx, Mohamed Bennis, Carlos Torres-Verdín, William Preeg
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 61 (01): 4–36.
Paper Number: SPWLA-2020-v61n1t1
https://doi.org/10.30632/PJV61N1-2020T1
Published: 01 February 2020
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View article titled, Simulation of Borehole Nuclear Measurements: A Practical Tutorial Guide for Implementation of Monte Carlo Methods and Approximations Based on Flux Sensitivity Functions
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Journal Articles

Review of Micro/Nanofluidic Insights on Fluid Transport Controls in Tight Rocks

Ayaz Mehmani, Shaina Kelly, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 60 (06): 872–890.
Paper Number: SPWLA-2019-v60n6a10
https://doi.org/10.30632/PJV60N6-2019a10
Published: 01 December 2019
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Journal Articles

Experimental Method for Time-Lapse Micro-CT Imaging of Mud-Filtrate Invasion and Mudcake Deposition

Colin Schroeder, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 60 (05): 620–630.
Paper Number: SPWLA-2019-v60n5a6
https://doi.org/10.30632/PJV60N5-2019a6
Published: 01 October 2019
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View article titled, Experimental Method for Time-Lapse Micro-CT Imaging of Mud-Filtrate Invasion and Mudcake Deposition
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Journal Articles

Petrophysical Interpretation of LWD, Neutron-Induced Gamma-Ray Spectroscopy Measurements: An Inversion-Based Approach

Oyinkansola Ajayi, Carlos Torres-Verdin, William E. Preeg
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 56 (04): 358–378.
Paper Number: SPWLA-2015-v56n4a4
Published: 01 August 2015
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View article titled, Petrophysical Interpretation of LWD, Neutron-Induced Gamma-Ray Spectroscopy Measurements: An Inversion-Based Approach
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Journal Articles

Inversion-Based Interpretation of Logging-While-Drilling Resistivity and Nuclear Measurements: Field Examples of Application in High-Angle and Horizontal Wells

Olabode Ijasan, Carlos Torres-Verdin, William E. Preeg, John Rasmus, Edward J. Stockhausen
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 55 (05): 374–391.
Paper Number: SPWLA-2014-v55n5a1
Published: 01 October 2014
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View article titled, Inversion-Based Interpretation of Logging-While-Drilling Resistivity and Nuclear Measurements: Field Examples of Application in High-Angle and Horizontal Wells
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Journal Articles

Assessment of Residual Hydrocarbon Saturation with the Combined Quantitative Interpretation of Resistivity and Nuclear Logs

Zoya Heidari, Carlos Torres-Verdín, Alberto Mendoza, Gong Li Wang
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 52 (03): 217–237.
Paper Number: SPWLA-2011-v52n3a3
Published: 01 June 2011
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View article titled, Assessment of Residual Hydrocarbon Saturation with the Combined Quantitative Interpretation of Resistivity and Nuclear Logs
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Journal Articles

History Matching of Multiphase-Flow Formation-Tester Measurements Acquired with Focused-Sampling Probes in Deviated Wells

Carlos Torres-Verdín, Renzo Angeles, Kamy Sepehrnoori, Hani Elshahawi
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 52 (01): 14–31.
Paper Number: SPWLA-2011-v52n1a1
Published: 01 February 2011
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View article titled, History Matching of Multiphase-Flow Formation-Tester Measurements Acquired with Focused-Sampling Probes in Deviated Wells
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