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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

The Calibration Method for Shale Microscopic Parameters Based on a Stacking Ensemble Algorithm

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Han Jiang, Zhan Qu, Weihang Liu, Xiaohe Li, Fan Zhang
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 468–488.
Paper Number: SPWLA-2025-v66n3a6
https://doi.org/10.30632/PJV66N3-2025a6
Published: 01 June 2025
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View articletitled, The Calibration Method for Shale Microscopic Parameters Based on a Stacking Ensemble Algorithm
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Journal Articles

Comparative Study on the Damage of Different Fracturing Fluids in Tight Sandstone

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Quanhui Li, Xiaojie Xia, Hui Xiao, Han Zhang, Xinlong Tan, Chunbing Wang, Tianxi He, Hongsen Wang
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 489–520.
Paper Number: SPWLA-2025-v66n3a7
https://doi.org/10.30632/PJV66N3-2025a7
Published: 01 June 2025
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View articletitled, Comparative Study on the Damage of Different Fracturing Fluids in Tight Sandstone
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Journal Articles

Optimization Method of Injection Fluids Based on Characteristics of Reservoir Fracturing for Energy Storage and Permeability Enhancement in Tight Oil Reservoirs

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Qianhua Xiao, Peixian Shao, Zhiyuan Wang, Ling Shi, Zhengqi Su, Na Dong, Huailin Wang, Gang Chen
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 66 (03): 521–535.
Paper Number: SPWLA-2025-v66n3a8
https://doi.org/10.30632/PJV66N3-2025a8
Published: 01 June 2025
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View articletitled, Optimization Method of Injection Fluids Based on Characteristics of Reservoir Fracturing for Energy Storage and Permeability Enhancement in Tight Oil Reservoirs
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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

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

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

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

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

Wettability Quantification in Rock Components via Water Adsorption Isotherms

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Isa Silveira de Araujo, Zoya Heidari
Journal: Petrophysics - The SPWLA Journal
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 983–994.
Paper Number: SPWLA-2024-v65n6a11
https://doi.org/10.30632/PJV65N6-2024a11
Published: 02 December 2024
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View articletitled, Wettability Quantification in Rock Components via Water Adsorption Isotherms
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Journal Articles

Enhancing Reservoir Characterization With High-Resolution Lithofacies Prediction Using Advanced Feature Engineering and Ensemble Classifiers

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Hina Wajid Satti, Tahseenullah Khan, Muhammad Fahad Mahmood, Umar Manzoor, Muyyassar Hussain, Muhammad Bilal Malik
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 813–834.
Paper Number: SPWLA-2024-v65n5a9
https://doi.org/10.30632/PJV65N5-2024a9
Published: 01 October 2024
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View articletitled, Enhancing Reservoir Characterization With High-Resolution Lithofacies Prediction Using Advanced Feature Engineering and Ensemble Classifiers
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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

A Method for Reconstructing In-Situ Saturation Based on Dean-Stark Saturation Measured in Laboratory

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Jiansheng Zhang, Sainan Xu, Yunlong Lu, Yi Qi, Yang Li
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 682–698.
Paper Number: SPWLA-2024-v65n5a2
https://doi.org/10.30632/PJV65N5-2024a2
Published: 01 October 2024
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View articletitled, A Method for Reconstructing In-Situ Saturation Based on Dean-Stark Saturation Measured in Laboratory
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Journal Articles

Permeability Anisotropy in Brazilian Presalt Carbonates at Core Scale Using Digital Rock Petrophysics

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Plinio Cancio Rocha da Silva Junior, Rodolfo Araujo Victor, Rodrigo Surmas, Emilio Velloso Barroso, Fábio André Perosi
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 711–738.
Paper Number: SPWLA-2024-v65n5a4
https://doi.org/10.30632/PJV65N5-2024a4
Published: 01 October 2024
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View articletitled, Permeability Anisotropy in Brazilian Presalt Carbonates at Core Scale Using Digital Rock Petrophysics
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Journal Articles

Unveiling the Optimal Water Saturation Equation for Unconsolidated Reservoirs: A Case Study From the Tambaredjo Oil Field, Suriname

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Elias R. Acosta, Aima Mijland, Bhagwanpersad Nandlal
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 739–764.
Paper Number: SPWLA-2024-v65n5a5
https://doi.org/10.30632/PJV65N5-2024a5
Published: 01 October 2024
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View articletitled, Unveiling the Optimal Water Saturation Equation for Unconsolidated Reservoirs: A Case Study From the Tambaredjo Oil Field, Suriname
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Journal Articles

Application of GPC-UV Method for Reservoir Fluid Analysis From Drill Cuttings

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Tao Yang, Alexandra Cely, Julian Moore, Eric Michael
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 593–603.
Paper Number: SPWLA-2024-v65n4a12
https://doi.org/10.30632/PJV65N4-2024a12
Published: 01 August 2024
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View articletitled, Application of GPC-UV Method for Reservoir Fluid Analysis From Drill Cuttings
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