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Journal Articles

Well-Log-Based Reservoir Property Estimation With Machine Learning: A Contest Summary

Lei Fu, Yanxiang Yu, Chicheng Xu, Michael Ashby, Andrew McDonald, Wen Pan, Tianqi Deng, István Szabó, Pál P. Hanzelik, Csilla Kalmár, Saleh Alatwah, Jaehyuk Lee
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (01): 108–127.
Paper Number: SPWLA-2024-v65n1a6
https://doi.org/10.30632/PJV65N1-2024a6
Published: 02 February 2024
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Journal Articles

Integrated Formation Evaluation for Site-Specific Evaluation, Optimization, and Permitting of Carbon Storage Projects

Robert Laronga, Erik Borchardt, Barbara Hill, Edgar Velez, Denis Klemin, Sammy Haddad, Elia Haddad, Casey Chadwick, Elham Mahmoodaghdam, Farid Hamichi
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 580–620.
Paper Number: SPWLA-2023-v64n5a1
https://doi.org/10.30632/PJV64N5-2023a1
Published: 02 October 2023
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Journal Articles

Mineralogical Modeling and Petrophysical Properties of the Barra Velha Formation, Santos Basin, Brazil

Marta H. Jácomo, Gelvam A. Hartmann, Taynah B. Rebelo, Nathália H. Mattos, Alessandro Batezelli, Emilson P. Leite
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (04): 518–543.
Paper Number: SPWLA-2023-v64n4a3
https://doi.org/10.30632/PJV64N4-2023a3
Published: 01 August 2023
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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

An Unsupervised Machine-Learning Workflow for Outlier Detection and Log Editing With Prediction Uncertainty

Ridvan Akkurt, Tim T. Conroy, David Psaila, Andrea Paxton, Jacob Low, Paul Spaans
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (02): 213–238.
Paper Number: SPWLA-2023-v64n2a5
https://doi.org/10.30632/PJV64N2-2023a5
Published: 04 April 2023
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View article titled, An Unsupervised Machine-Learning Workflow for Outlier Detection and Log Editing With Prediction Uncertainty
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Journal Articles

What Next After a Decade With Significant Advances in the Application of Ultradeep Azimuthal Resistivity Measurements?

Frank Antonsen, Berit Ensted Danielsen, Kåre Røsvik Jensen, Marta Prymak-Moyle, Jon Kåre Lotsberg, Maria Emilia Teixeira De Oliveira, Monica Vik Constable
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (06): 762–780.
Paper Number: SPWLA-2022-v63n6a12
https://doi.org/10.30632/PJV63N6-2022a12
Published: 12 December 2022
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View article titled, What Next After a Decade With Significant Advances in the Application of Ultradeep Azimuthal Resistivity Measurements?
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Journal Articles

Deep Learning for Multiwell Automatic Log Correction

Vanessa Simoes, Hiren Maniar, Aria Abubakar, Tao Zhao
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (06): 724–747.
Paper Number: SPWLA-2022-v63n6a10
https://doi.org/10.30632/PJV63N6-2022a10
Published: 12 December 2022
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Journal Articles

Full-Waveform Inversion of Fiber-Optic VSP Data From Deviated Wells

Olga Podgornova, Pierre Bettinelli, Lin Liang, Joël Le Calvez, Scott Leaney, Marco Perez, Ahmed Soliman
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (06): 576–590.
Paper Number: SPWLA-2022-v63n6a1
https://doi.org/10.30632/PJV63N6-2022a1
Published: 12 December 2022
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Journal Articles

Past, Present, and Future Applications of Ultradeep Directional Resistivity Measurements: A Case History From the Norwegian Continental Shelf

Supriya Sinha, Arthur Walmsley, Nigel Clegg, Brígido Vicuña, Hsu-Hsiang (Mark) Wu, Andrew McGill, Téo Paiva dos Reis, Marianne Therese Nygård, Gunn Åshild Ulfsnes, Monica Vik Constable, Frank Antonsen, Berit Ensted Danielsen
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (06): 604–633.
Paper Number: SPWLA-2022-v63n6a3
https://doi.org/10.30632/PJV63N6-2022a3
Published: 12 December 2022
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View article titled, Past, Present, and Future Applications of Ultradeep Directional Resistivity Measurements: A Case History From the Norwegian Continental Shelf
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Journal Articles

Predicting In-Situ Physical Properties for Gas Condensates From Fluid Pressure Gradients

L. Taras Bryndzia, Mark G. Kittridge
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (04): 488–505.
Paper Number: SPWLA-2022-v63n4a1
https://doi.org/10.30632/PJV63N4-2022a1
Published: 02 August 2022
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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

Rock Physics Modeling of Gas Hydrate Reservoirs Through Integrated Core and Well-Log Data in NGHP-02 Area in KG Offshore Basin, India

Suraj Kumar, Debarati Mishra, Soma Chatterjee, R.R. Tiwari, V.L.N. Avadhani
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (02): 237–255.
Paper Number: SPWLA-2022-v63n2-a6
https://doi.org/10.30632/PJV63N2-2022a6
Published: 01 April 2022
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View article titled, Rock Physics Modeling of Gas Hydrate Reservoirs Through Integrated Core and Well-Log Data in NGHP-02 Area in KG Offshore Basin, India
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Journal Articles

Automated Log Data Analytics Workflow – The Value of Data Access and Management to Reduced Turnaround Time for Log Analysis

Veronica Alejandra Torres Caceres, Kenneth Duffaut, Frank Ove Westad, Alexey Stovas, Yngve Bolstad Johansen, Arne Jenssen
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (01): 35–60.
Paper Number: SPWLA-2022-v63n1a3
https://doi.org/10.30632/PJV63N1-2022a3
Published: 01 February 2022
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Journal Articles

Ultrasonic Logging of Creeping Shale

Anja Diez, Tonni F. Johansen, Idar Larsen
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (01): 61–81.
Paper Number: SPWLA-2022-v63n1a4
https://doi.org/10.30632/PJV63N1-2022a4
Published: 01 February 2022
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Journal Articles

Evaluating Petrophysical Properties and Volumetrics Uncertainties of Sand Injectite Reservoirs – Norwegian North Sea

Artur Kotwicki, Mirza Hassan Baig, Yngve Bolstad Johansen, Guro Leirdal, Brage Vikaune Aftret, Odd Arne Sandstad, Anne Mette Anthonsen, Bruis Gianotten, Tor Arne Hansen, Mauro Firinu
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 63 (01): 82–103.
Paper Number: SPWLA-2022-v63n1a5
https://doi.org/10.30632/PJV63N1-2022a5
Published: 01 February 2022
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View article titled, Evaluating Petrophysical Properties and Volumetrics Uncertainties of Sand Injectite Reservoirs – Norwegian North Sea
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Journal Articles

The Impact of Overbalanced Drilling From Exploration/Appraisal Wells to Field Development Plan

Mohammadhossein Mohammadlou, Matthew Guy Reppert, Roxane Del Negro, George Jones
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (06): 694–710.
Paper Number: SPWLA-2021-v62n6a8
https://doi.org/10.30632/PJV62N6-2021a8
Published: 01 December 2021
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Journal Articles

Effect of Fluids on the Elastic Properties of 3D-Printed Anisotropic Rock Models

Suresh Dande, Robert R. Stewart, Nikolay Dyaur
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (05): 537–552.
Paper Number: SPWLA-2021-v62n5a7
https://doi.org/10.30632/PJV62N5-2021a7
Published: 01 October 2021
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View article titled, Effect of Fluids on the Elastic Properties of 3D-Printed Anisotropic Rock Models
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Journal Articles

Borehole Sonic Data Dispersion Analysis With a Modified Differential-Phase Semblance Method

Ruijia Wang, Richard Coates, Jiajun Zhao
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (04): 379–392.
Paper Number: SPWLA-2021-v62n4a3
https://doi.org/10.30632/PJV62N4-2021a3
Published: 01 August 2021
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Journal Articles

Real-Time Prediction of Acoustic Velocities While Drilling Vertical Complex Lithology Using AI Technique

Ahmed Alsaihati, Salaheldin Elkatatny
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (03): 265–281.
Paper Number: SPWLA-2021-v62n3a2
https://doi.org/10.30632/PJV62N3-2021a2
Published: 01 June 2021
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Journal Articles

Nonlinear Acoustics Applications for Near-Wellbore Formation Evaluation

Christopher Skelt, James TenCate, Robert Guyer, Paul Johnson, Carène Larmat, Pierre-Yves Le Bas, Kurt Nihei, Cung Vu
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (02): 195–209.
Paper Number: SPWLA-2021-v62n2a4
https://doi.org/10.30632/PJV62N2-2021a4
Published: 01 April 2021
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