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Journal Articles

Core Scanner for Electrical Profiling of Full-Bore Cores at the Wellsite With Advanced Pulse Electromagnetic Technology

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Dler Mirza, Kristoffer Birkeland, Lars Øy, Roland Chemali, Benjamin Barrouillet
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 352–363.
Paper Number: SPWLA-2025-v66n3a1
https://doi.org/10.30632/PJV66N3-2025a1
Published: 01 June 2025
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View articletitled, Core Scanner for Electrical Profiling of Full-Bore Cores at the Wellsite With Advanced Pulse Electromagnetic Technology
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Journal Articles

Shale, Clay, and Thin-Bed Reservoirs: Appropriate Characterization With a Single Model

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Evgeny Tyurin, Mike Davenport
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 365–391.
Paper Number: SPWLA-2025-v66n3a2
https://doi.org/10.30632/PJV66N3-2025a2
Published: 01 June 2025
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View articletitled, Shale, Clay, and Thin-Bed Reservoirs: Appropriate Characterization With a Single Model
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Journal Articles

Fit-For-Purpose Thomas-Stieber Diagram for the Petrophysical Evaluation of Heterogeneous Shaly Sandstones via Well Logs

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Ali Eghbali, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 392–423.
Paper Number: SPWLA-2025-v66n3a3
https://doi.org/10.30632/PJV66N3-2025a3
Published: 01 June 2025
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View articletitled, Fit-For-Purpose Thomas-Stieber Diagram for the Petrophysical Evaluation of Heterogeneous Shaly Sandstones via Well Logs
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Journal Articles

Comparative Analysis of TOC Logging Evaluation Methods Using Machine Learning – A Case Study of the Ordos Basin-Yanchang Formation

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Mingyu Dong, Jingtao Shang, Lili Tian, Mingsong Wu, Xin Nie
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 425–448.
Paper Number: SPWLA-2025-v66n3a4
https://doi.org/10.30632/PJV66N3-2025a4
Published: 01 June 2025
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View articletitled, Comparative Analysis of TOC Logging Evaluation Methods Using Machine Learning – A Case Study of the Ordos Basin-Yanchang Formation
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Journal Articles

Cross-Calibrated Permeabilities: A Reliable and Physically Coherent Methodology

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Ventura Sifontes, Luis Alberto Leal, Miguel Farfan, Alvaro Mussio Arias
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 449–466.
Paper Number: SPWLA-2025-v66n3a5
https://doi.org/10.30632/PJV66N3-2025a5
Published: 01 June 2025
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View articletitled, Cross-Calibrated Permeabilities: A Reliable and Physically Coherent Methodology
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Journal Articles

Look-Ahead-While-Drilling Technology Assessment for Early Hazards Identification in Presalt Offshore Brazil

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Guillermo Marcelo Cuadros, Antonio Mainieri Vieira da Cunha, Wilson Yoji Nakamura Junior, Geraldo Majela Sartori Brandão, Guilherme Augusto Amaral, João Paulo Teixeira da Fonseca, Fátima Andreia de Freitas Brasil, Randolpho Lobo de Freitas Junior, Willy Viana Bohn, Ralf Wilhelm Bohrer, Almir Rogério Pedroso da Sliva Santos, Ligia Naia de Matos, Soazig Leveque, Diogo Salim, Charles Silva, Mario Galaguza
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 190–211.
Paper Number: SPWLA-2025-v66n2a1
https://doi.org/10.30632/PJV66N2-2025a1
Published: 03 April 2025
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View articletitled, Look-Ahead-While-Drilling Technology Assessment for Early Hazards Identification in Presalt Offshore Brazil
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Journal Articles

High-Performance Stochastic Inversion for Real-Time Processing of LWD Ultradeep Azimuthal Resistivity Data

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Mikhail Sviridov, Dmitry Kushnir, Anton Mosin, Danil Nemuschenko, Michael Rabinovich
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 212–235.
Paper Number: SPWLA-2025-v66n2a2
https://doi.org/10.30632/PJV66N2-2025a2
Published: 03 April 2025
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View articletitled, High-Performance Stochastic Inversion for Real-Time Processing of LWD Ultradeep Azimuthal Resistivity Data
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Journal Articles

An Improved GIP Method for Measurements of Shale Effective Porosity Through Pressure Decay

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Bocai Jiang, Zhongpei Ding, Qianhua Xiao
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 237–249.
Paper Number: SPWLA-2025-v66n2a3
https://doi.org/10.30632/PJV66N2-2025a3
Published: 03 April 2025
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View articletitled, An Improved GIP Method for Measurements of Shale Effective Porosity Through Pressure Decay
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Journal Articles

Laboratory Measurement of Total Porosity and Fluid Saturations for Unconventional Tight Rocks: Methodologies, Challenges, and Comparison

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Min Cheng, Rayvan Watson, Alberto Latuff, Aaron Rodriguez, Peter Kaufman, Joshua Miller, Rafael A. Mendoza, Elizabeth Krukowski, Robert Cole
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 250–265.
Paper Number: SPWLA-2025-v66n2a4
https://doi.org/10.30632/PJV66N2-2025a4
Published: 03 April 2025
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View articletitled, Laboratory Measurement of Total Porosity and Fluid Saturations for Unconventional Tight Rocks: Methodologies, Challenges, and Comparison
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Journal Articles

New Methodology for Ultrasonic Microscopy Imaging of Carbonate Reservoirs’ Pore Structure

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Junhai Chen, Jinchao Wang, Yuexin Yu, Houcheng Liu
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 267–282.
Paper Number: SPWLA-2025-v66n2a5
https://doi.org/10.30632/PJV66N2-2025a5
Published: 03 April 2025
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View articletitled, New Methodology for Ultrasonic Microscopy Imaging of Carbonate Reservoirs’ Pore Structure
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Journal Articles

Genetic Analysis of Overpressure While Drilling Based on Isotope Logging Technology

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Yitao Hu, Leli Cheng, Heng Geng, Bin Yi, Xiaobin Ye, Heng Wang, Xunjie Zhao, Baotong Huang
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 283–293.
Paper Number: SPWLA-2025-v66n2a6
https://doi.org/10.30632/PJV66N2-2025a6
Published: 03 April 2025
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View articletitled, Genetic Analysis of Overpressure While Drilling Based on Isotope Logging Technology
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Journal Articles

Laboratory Experimental Validation of Sensitivity Functions for a Neutron Porosity Logging Tool in Casedhole Environments

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Geoffrey Varignier, Pierre Chuilon, Emmanuel Caroli, Cédric Carasco, Bertrand Pérot, Thomas Marchais, Benoît Guivarc’h, Heiko Reinhardt
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 294–316.
Paper Number: SPWLA-2025-v66n2a7
https://doi.org/10.30632/PJV66N2-2025a7
Published: 03 April 2025
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View articletitled, Laboratory Experimental Validation of Sensitivity Functions for a Neutron Porosity Logging Tool in Casedhole Environments
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Journal Articles

The Road Through Microannuli: Advanced Ultrasonic Log Analysis and Mechanistic Modeling for Leak Rate Quantification

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Saida Machicote, Marco Pirrone, Giuseppe Galli
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (02): 331–344.
Paper Number: SPWLA-2025-v66n2a9
https://doi.org/10.30632/PJV66N2-2025a9
Published: 03 April 2025
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View articletitled, The Road Through Microannuli: Advanced Ultrasonic Log Analysis and Mechanistic Modeling for Leak Rate Quantification
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Journal Articles

Special Core Analysis Model – SCAL Model for CCS: Insights From the First Commercial CO 2 Project on the Norwegian Continental Shelf, Northern Lights

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Einar Ebeltoft, Marion Recordon, Renata Meneguolo, Jørgen Gausdal Jacobsen, Reza Askarinezhad, Richy Pitman
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 10–25.
Paper Number: SPWLA-2025-v66n1a1
https://doi.org/10.30632/PJV66N1-2025a1
Published: 03 February 2025
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View articletitled, Special Core Analysis Model – SCAL Model for CCS: Insights From the First Commercial CO 2 Project on the Norwegian Continental Shelf, Northern Lights
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Journal Articles

Impact of Dual Matrix Porosity in Sandstone on Fluid Distribution and Flow Properties

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Yingxue Wang, Serge V. Galley
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 135–154.
Paper Number: SPWLA-2025-v66n1a10
https://doi.org/10.30632/PJV66N1-2025a10
Published: 03 February 2025
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View articletitled, Impact of Dual Matrix Porosity in Sandstone on Fluid Distribution and Flow Properties
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Journal Articles

Bulk Saturation Measurement of Water and Oil in Porous Media Using 13 C and 1 H Magnetic Resonance

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Naser Ansaribaranghar, Mohammad Sadegh Zamiri, Laura Romero-Zerón, Florea Marica, Andrés Ramírez Aguilera, Derrick Green, Benjamin Nicot, Bruce J. Balcom
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 155–168.
Paper Number: SPWLA-2025-v66n1a11
https://doi.org/10.30632/PJV66N1-2025a11
Published: 03 February 2025
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View articletitled, Bulk Saturation Measurement of Water and Oil in Porous Media Using 13 C and 1 H Magnetic Resonance
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Journal Articles

Direct Hydrocarbon Saturation Imaging in Porous Media With 13 C Magnetic Resonance

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Naser Ansaribaranghar, Mohammad Sadegh Zamiri, Laura Romero-Zerón, Florea Marica, Andrés Ramírez Aguilera, Derrick Green, Benjamin Nicot, Bruce J. Balcom
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 169–182.
Paper Number: SPWLA-2025-v66n1a12
https://doi.org/10.30632/PJV66N1-2025a12
Published: 03 February 2025
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View articletitled, Direct Hydrocarbon Saturation Imaging in Porous Media With 13 C Magnetic Resonance
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Journal Articles

A Laboratory Investigation of Enhanced Gas Recovery by CO 2 Injection

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Chris Jones, Mike Spearing, Maynard Marrion, Arief Maulana, Frans Silitonga
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 54–66.
Paper Number: SPWLA-2025-v66n1a4
https://doi.org/10.30632/PJV66N1-2025a4
Published: 03 February 2025
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View articletitled, A Laboratory Investigation of Enhanced Gas Recovery by CO 2 Injection
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Journal Articles

Prediction of Relative Permeability and Fast Wettability Assessment Using Digital Rock Physics: An Operational Study on a Reservoir Sandstone

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Mohamed Regaieg, Titly Farhana Faisal, Franck Nono, Fabrice Pairoys, Victor Fernandes, Cyril Caubit
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 80–92.
Paper Number: SPWLA-2025-v66n1a6
https://doi.org/10.30632/PJV66N1-2025a6
Published: 03 February 2025
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View articletitled, Prediction of Relative Permeability and Fast Wettability Assessment Using Digital Rock Physics: An Operational Study on a Reservoir Sandstone
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Journal Articles

Hybrid Drainage Technique Application on Bimodal Limestone

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Victor Fernandes, Franck Nono, Benjamin Nicot, Fabrice Pairoys, Henri Bertin, Jean Lachaud, Cyril Caubit
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (01): 94–109.
Paper Number: SPWLA-2025-v66n1a7
https://doi.org/10.30632/PJV66N1-2025a7
Published: 03 February 2025
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View articletitled, Hybrid Drainage Technique Application on Bimodal Limestone
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