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Carlos Torres-Verdín
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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
DOI: https://doi.org/10.30632/PJV64N1-2023a6
Published: 01 February 2023
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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
DOI: https://doi.org/10.30632/PJV63N5-2022a4
Published: 01 October 2022
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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
DOI: https://doi.org/10.30632/PJV63N4-2022a2
Published: 02 August 2022
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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
DOI: https://doi.org/10.30632/PJV63N2-2022a4
Published: 01 April 2022
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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
DOI: https://doi.org/10.30632/PJV61N1-2020T1
Published: 01 February 2020
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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
DOI: https://doi.org/10.30632/PJV60N6-2019a10
Published: 01 December 2019
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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
DOI: https://doi.org/10.30632/PJV60N5-2019a6
Published: 01 October 2019
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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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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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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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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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Time-Lapse Variations of Multi-Component Electrical Resistivity Measurements Acquired In High-Angle Wells

Ali Moinfar, Carlos Torres-Verdin, Robert K. Mallan, Renzo Angeles
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 51 (06).
Paper Number: SPWLA-2010-v51n6a4
Published: 01 December 2010
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Field Examples of the Combined Petrophysical Inversion of Gamma-ray, Density, And Resistivity Logs Acquired In Thinly-bedded Clastic Rock Formations

Jorge A. Sanchez-Ramirez, Carlos Torres-Verdín, David Wolf, Gong Li Wang, Alberto Mendoza, Zhipeng Liu, Gabriela Schell
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 51 (04).
Paper Number: SPWLA-2010-v51n4a1
Published: 01 August 2010
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Prediction of Formation-Tester Fluid-Sample Quality In Highly-Deviated Wells

Renzo Angeles, Carlos Torres-Verdín, Kamy Sepehrnoori, Mayank Malik
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 50 (01).
Paper Number: SPWLA-2009-v50n1a2
Published: 01 February 2009
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Effects of Petrophysical Properties On Array-Induction Measurements Acquired In the Presence of Oil-Base Mud-Filtrate Invasion1

Mayank Malik, Jesus M. Salazar, Carlos Torres-Verdin, Gong Li Wang, Hee Jae Lee, Kamy Sepehrnoori
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 49 (01).
Paper Number: SPWLA-2008-v49n1a6
Published: 01 February 2008
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History Matching And Sensitivity Analysis of Probe-Type Formation-Tester Measurements Acquired In the Presence of Oil-Base Mud-Filtrate Invasion1

Mayank Malik, Carlos Torres-Verdin, Kamy Sepehrnoori, Birol Dindoruk, Hani Elshahawi, Mohamed Hashem
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 48 (06).
Paper Number: SPWLA-2007-v48n6a2
Published: 01 December 2007
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Spatial Sensitivity Functions of Two-Phase Formation-Tester Measurements Acquired In Vertical Wells1

Renzo Angeles, Carlos Torres-Verdin, Chengwu Yuan, Hee Jae Lee
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 48 (05).
Paper Number: SPWLA-2007-v48n5a2
Published: 01 October 2007
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Effects of Geometrical, Environmental, and Petrophysical Parameters on Multi-Component Induction Measurements Acquired in High-Angle Wells

Robert K. Mallan, Carlos Torres-Verdin
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 48 (04): 271–288.
Paper Number: SPWLA-2007-v48n4a2
Published: 01 August 2007
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Pore-Scale Anal Y Sis of the Waxman-Smits Shaly-Sand Con Duc Tiv Ity Model1

Guodong Jin, Carlos Torres-Verdin, Sarath Devarajan, Emmanuel Toumelin, E.C. Thomas
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 48 (02).
Paper Number: SPWLA-2007-v48n2a4
Published: 01 April 2007
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Monte Carlo Modeling of Nuclear Measurements In Vertical And Horizontal Wells In the Presence of Mud-Filtrate Invasion And Salt Mixing1

Alberto Mendoza, William E. Preeg, Carlos Torres-Verdin, Faruk O. Alpak
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 48 (01).
Paper Number: SPWLA-2007-v48n1a2
Published: 01 February 2007
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