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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

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

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

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

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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Journal Articles

Pushing the Envelope of Casing and Cement Inspection: Logging Two Casing Sizes Simultaneously and Setting a Cement Plug in a Single Run

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Andy Hawthorn, Mats Ingebretson, Nina Girneata, Laurent Delabroy, Tonje Winther, Roger Steinsiek, Ian Leslie
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 913–918.
Paper Number: SPWLA-2024-v65n6a5
https://doi.org/10.30632/PJV65N6-2024a5
Published: 02 December 2024
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View articletitled, Pushing the Envelope of Casing and Cement Inspection: Logging Two Casing Sizes Simultaneously and Setting a Cement Plug in a Single Run
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Journal Articles

Perched Water Observations in Deepwater Miocene Fields Using Well Logs, Core, and Production Data

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Alexander Kostin, Jorge Sanchez-Ramirez
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 1010–1022.
Paper Number: SPWLA-2024-v65n6a13
https://doi.org/10.30632/PJV65N6-2024a13
Published: 02 December 2024
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View articletitled, Perched Water Observations in Deepwater Miocene Fields Using Well Logs, Core, and Production Data
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Journal Articles

From Leak Path Detection to Quantitative Flow Profiling: The Exciting Journey of the Noise

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Giuseppe Galli, Marco Pirrone
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 919–927.
Paper Number: SPWLA-2024-v65n6a6
https://doi.org/10.30632/PJV65N6-2024a6
Published: 02 December 2024
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View articletitled, From Leak Path Detection to Quantitative Flow Profiling: The Exciting Journey of the Noise
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Journal Articles

Research and Application of Fracability Evaluation Method for Tight Sandstone Reservoirs Based on Logging and Experimental Data

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Yuping Qian, Wenwen Wang, Huizhuo Xie
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 995–1009.
Paper Number: SPWLA-2024-v65n6a12
https://doi.org/10.30632/PJV65N6-2024a12
Published: 02 December 2024
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View articletitled, Research and Application of Fracability Evaluation Method for Tight Sandstone Reservoirs Based on Logging and Experimental Data
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Journal Articles

Enhancing Accuracy and Range of Sourceless Density

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Marie-Laure Mauborgne, Rubi Rodriguez, Françoise Allioli, Viktoriya Sergeyeva, Fabien Harange, Alexis Pallain, Idris Babaghayou, Erwan Tanguy, Vikas Jain, Vivek Agarwal, Marie Van Steene, Karam Ali AlSadiq, Chris Stoller
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 929–943.
Paper Number: SPWLA-2024-v65n6a7
https://doi.org/10.30632/PJV65N6-2024a7
Published: 02 December 2024
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View articletitled, Enhancing Accuracy and Range of Sourceless Density
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Journal Articles

Importance of Well Integrity Measurements Throughout the CCS Project Life Cycle

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Dirk Valstar, Alec Nettleton, Erik Borchardt, Hugo Costeno, Geoffrey Landry, Robert Laronga
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 896–912.
Paper Number: SPWLA-2024-v65n6a4
https://doi.org/10.30632/PJV65N6-2024a4
Published: 02 December 2024
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View articletitled, Importance of Well Integrity Measurements Throughout the CCS Project Life Cycle
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Journal Articles

Shallow Aquifer Sampling for Carbon Capture and Storage – Development of a Low Toxicity Tracer to Enable Low Contamination Water Sampling in a Water-Based Mud System

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Michael Taplin, Emilie Peyret, Phillip Jackson, Kirsty Hitchen
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 944–956.
Paper Number: SPWLA-2024-v65n6a8
https://doi.org/10.30632/PJV65N6-2024a8
Published: 02 December 2024
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View articletitled, Shallow Aquifer Sampling for Carbon Capture and Storage – Development of a Low Toxicity Tracer to Enable Low Contamination Water Sampling in a Water-Based Mud System
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Journal Articles

Synthetic Borehole Images From Outcrop Photographs to Improve Subsurface Geological Interpretations

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Sofia Alves Fornero, Candida Menezes de Jesus, Pamella Paiva Fernandes, Willian Andrighetto Trevizan
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 887–894.
Paper Number: SPWLA-2024-v65n6a3
https://doi.org/10.30632/PJV65N6-2024a3
Published: 02 December 2024
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View articletitled, Synthetic Borehole Images From Outcrop Photographs to Improve Subsurface Geological Interpretations
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Journal Articles

Physics-Based Probabilistic Permeability Prediction in Thin-Layered Reservoirs: Transport Theory, Dielectric Dispersion Logging and Core-to-Log Bayesian Statistics

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Marco Pirrone, Nicola Bona, Maria Teresa Galli
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 971–982.
Paper Number: SPWLA-2024-v65n6a10
https://doi.org/10.30632/PJV65N6-2024a10
Published: 02 December 2024
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View articletitled, Physics-Based Probabilistic Permeability Prediction in Thin-Layered Reservoirs: Transport Theory, Dielectric Dispersion Logging and Core-to-Log Bayesian Statistics
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Journal Articles

Understanding Lateral Permeability Variations in Heterogeneous Carbonate Reservoirs Using Logging-While-Drilling NMR, Microresistivity Imaging, and Azimuthally Oriented Formation Testing

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Mohamed Fouda, Ahmed Taher, Ahmed Fateh, Ashok Kumar
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 772–788.
Paper Number: SPWLA-2024-v65n5a7
https://doi.org/10.30632/PJV65N5-2024a7
Published: 01 October 2024
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View articletitled, Understanding Lateral Permeability Variations in Heterogeneous Carbonate Reservoirs Using Logging-While-Drilling NMR, Microresistivity Imaging, and Azimuthally Oriented Formation Testing
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Journal Articles

Testing and Application of a Probe Permeameter in the Lower Wilcox Formation, Onshore Texas, USA

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Jerry L. Jensen, Carlos A. Uroza
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 665–681.
Paper Number: SPWLA-2024-v65n5a1
https://doi.org/10.30632/PJV65N5-2024a1
Published: 01 October 2024
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View articletitled, Testing and Application of a Probe Permeameter in the Lower Wilcox Formation, Onshore Texas, USA
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Journal Articles

Core-Log Depth Adaptive Matching Using RDDTW

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Yu Fang, Jun Zhou, Lizhi Xiao, Guangzhi Liao
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 835–851.
Paper Number: SPWLA-2024-v65n5a10
https://doi.org/10.30632/PJV65N5-2024a10
Published: 01 October 2024
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View articletitled, Core-Log Depth Adaptive Matching Using RDDTW
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Journal Articles

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

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