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Journal Articles

An Image-Based Artificial Intelligence Approach for the Determination of Analog Petrophysical Rock Properties From Drill Cuttings

Allen Britton, Katrina Cox, S. Mark Ma
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 866–874.
Paper Number: SPWLA-2024-v65n6a1
https://doi.org/10.30632/PJV65N6-2024a1
Published: 02 December 2024
... of Petrophysicists & Well Log Analysts carbonate rock geologist clastic rock sedimentary rock geology artificial intelligence rock type synthetic cuttings pore geometry analog petrophysical rock property drilling operation core analysis petrophysical property image-based artificial...
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View article titled, An Image-Based Artificial Intelligence Approach for the Determination of Analog Petrophysical Rock Properties From Drill Cuttings
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Journal Articles

Enhanced AI-Driven Automatic Dip Picking in Horizontal Wells Through Deep Learning, Clustering, and Interpolation, in Real Time

Alexandre Perrier, Alexis He, Nadège Bize-Forest, Daniel Quesada
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (06): 875–886.
Paper Number: SPWLA-2024-v65n6a2
https://doi.org/10.30632/PJV65N6-2024a2
Published: 02 December 2024
... drilling operation production monitoring geological subdiscipline geologist geology artificial intelligence production control horizontal well enhanced ai-driven automatic dip picking clustering machine learning orientation interpolation algorithm interval length wellbore seismic deep...
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View article titled, Enhanced AI-Driven Automatic Dip Picking in Horizontal Wells Through Deep Learning, Clustering, and Interpolation, in Real Time
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Journal Articles

Characterizing Thin-Bed Responses in Horizontal Wells Using LWD NMR Tools: Insights From a Water Tank Experiment

Zeyad Ramadan, David Allen, Ahmed Allam
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (05): 765–771.
Paper Number: SPWLA-2024-v65n5a6
https://doi.org/10.30632/PJV65N5-2024a6
Published: 01 October 2024
... is measured at a single depth. As the experiment has validated the theoretical mathematical response we anticipated, a much thinner layer model can now be safely constructed with any layer thickness. geology clastic rock geologist directional drilling rock type sedimentary rock drilling operation...
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View article titled, Characterizing Thin-Bed Responses in Horizontal Wells Using LWD NMR Tools: Insights From a Water Tank Experiment
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Journal Articles

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

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
... is limited by the wettability and lithology of the formation. geologist reservoir simulation drilling fluids and materials drilling fluid selection and formulation drilling operation saturation well logging structural geology mineral drilling fluid property core analysis reservoir...
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View article titled, A Method for Reconstructing In-Situ Saturation Based on Dean-Stark Saturation Measured in Laboratory
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Journal Articles

A Novel Method to Map Heavy Oil Viscosity From Standard Mud Gas – A Field Case From the Peregrino Field

Maria Cecilia Bravo, Alexandra Cely, Gulnar Yerkinkyzy, David Xavier, Leonardo Masutti, Marcos Paulo de Souza, Sandrine Donnadieu, Tao Yang
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 507–518.
Paper Number: SPWLA-2024-v65n4a6
https://doi.org/10.30632/PJV65N4-2024a6
Published: 01 August 2024
... geologist drilling operation petroleum play type reservoir characterization standard mud ga interpretation threshold database field case well 1 classification PETROPHYSICS, VOL. 65, NO. 4 (AUGUST 2024); PAGES 507 518; 11 FIGURES, 1 TABLE. DOI:10.30632/PJV65N4-2024a6 A Novel Method to Map Heavy...
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View article titled, A Novel Method to Map Heavy Oil Viscosity From Standard Mud Gas – A Field Case From the Peregrino Field
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Journal Articles

Evaluation of PVT Comparisons and GOR Prediction Based on Advanced Mud Gas Data: A Case Study From Snorre Field

Priscila Furghieri Bylaardt Caldas, George Kirkman, Frode Ungar, Tao Yang
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 532–547.
Paper Number: SPWLA-2024-v65n4a8
https://doi.org/10.30632/PJV65N4-2024a8
Published: 01 August 2024
... liquified natural gas (lng) artificial intelligence log analysis geological subdiscipline snorre field concentration pvt comparison case study sm 3 gor prediction methane drilling operation drilling fluids and materials drilling fluid management & disposal reservoir characterization...
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View article titled, Evaluation of PVT Comparisons and GOR Prediction Based on Advanced Mud Gas Data: A Case Study From Snorre Field
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Journal Articles

Optimize Drilling Decisions Based on Real-Time Detected Alkene and Hydrogen at Surface

Khalid Qubaisi, Amjad Kharaba, Richard Hewitt, Milton Sanclemente
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 585–592.
Paper Number: SPWLA-2024-v65n4a11
https://doi.org/10.30632/PJV65N4-2024a11
Published: 01 August 2024
... by equipment already present in advanced mud-logging units. 6 6 2024 6 7 2024 7 7 2024 1 8 2024 1 8 2024 Copyright 2024, Society of Petrophysicists & Well Log Analysts geology geologist rock type sedimentary rock drilling operation optimize drilling decision...
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View article titled, Optimize Drilling Decisions Based on Real-Time Detected Alkene and Hydrogen at Surface
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Journal Articles

What Causes Mud-Logging Mud Gas Response to Vary and Two Techniques to Quantify Mud Gas

William S. Donovan
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 565–584.
Paper Number: SPWLA-2024-v65n4a10
https://doi.org/10.30632/PJV65N4-2024a10
Published: 01 August 2024
... 2024 19 5 2024 1 6 2024 1 8 2024 1 8 2024 Copyright 2024, Society of Petrophysicists & Well Log Analysts geologist rock type geology drilling fluids and materials drilling operation reservoir surveillance log analysis drilling data acquisition production...
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View article titled, What Causes Mud-Logging Mud Gas Response to Vary and Two Techniques to Quantify Mud Gas
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Journal Articles

Applying Magnetic Susceptibility to Estimate Permeability From Drill Cuttings: A Case Study Constraining Uncertainty in the Culzean Triassic Reservoir

John Y. Banks, Andrew G. Tugwell, David K. Potter
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (04): 604–623.
Paper Number: SPWLA-2024-v65n4a13
https://doi.org/10.30632/PJV65N4-2024a13
Published: 01 August 2024
... constraining uncertainty fluid dynamics drilling operation drilling fluids and materials sedimentary geology phase 1 petrophysics correlation depositional environment plug estimate permeability university prediction 30 1 2024 16 4 2024 13 5 2024 1 8 2024 1 8 2024...
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View article titled, Applying Magnetic Susceptibility to Estimate Permeability From Drill Cuttings: A Case Study Constraining Uncertainty in the Culzean Triassic Reservoir
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Journal Articles

A New Workflow for Estimating Reservoir Properties With Gradient Boosting Model and Joint Inversion Using MWD Measurements

Hyungjoo Lee, Alexander Mitkus, Andrew Pare, Kenneth McCarthy, Marc Willerth, Paul Reynerson, Tannor Ziehm, Timothy Gee
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (02): 215–232.
Paper Number: SPWLA-2024-v65n2a05
https://doi.org/10.30632/PJV65N2-2024a5
Published: 15 April 2024
... can successfully provide (1) geologic lithofacies identification and rock typing, (2) more confidence in real-time drilling operation, (3) reservoir properties prediction, (4) missing log imputations and pseudo-log generation with forward modeling, (5) guidance for future logging and perforation, (6...
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View article titled, A New Workflow for Estimating Reservoir Properties With Gradient Boosting Model and Joint Inversion Using MWD Measurements
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Journal Articles

Petrophysical Considerations for CO 2 Capture and Storage

Munish Kumar, Gabriel Lauderdale-Smith
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (01): 51–69.
Paper Number: SPWLA-2024-v65n1a3
https://doi.org/10.30632/PJV65N1-2024a3
Published: 02 February 2024
... of Petrophysicists & Well Log Analysts upstream oil & gas sedimentary rock pvt measurement mineral sustainability asia government geologist structural geology drilling operation rock type europe government social responsibility clastic rock united states government subsurface storage log...
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Journal Articles

A Universal Data Format for Wellbore Logs

Tom Bradley, Simon Austin, David Holbrough, Warren Fernandes, Xuandong Wang, Gleb Dyatlov, Arnt Veenstra
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (06): 823–836.
Paper Number: SPWLA-2023-v64n6a1
https://doi.org/10.30632/PJV64N6-2023a1
Published: 08 December 2023
... 2023 8 12 2023 Copyright 2023, Society of Petrophysicists & Well Log Analysts drilling operation drilling data acquisition united states government log analysis datatype perpendicular upstream oil & gas europe government drilling measurement resistivity information...
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Journal Articles

Changing the Game: Well Integrity Measurements Acquired on Drillpipe

Andy Hawthorn, Tonje Winter, Laurent Delabroy, Roger Steinsiek, Ian Leslie, Lynda Memiche, Abe Vereide
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (06): 837–847.
Paper Number: SPWLA-2023-v64n6a2
https://doi.org/10.30632/PJV64N6-2023a2
Published: 08 December 2023
... PETROPHYSICS December 2023 1 8 2023 18 8 2023 8 12 2023 8 12 2023 Copyright 2023, Society of Petrophysicists & Well Log Analysts united states government transducer drilling operation reservoir surveillance norway government casing and cementing europe government...
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Journal Articles

Stress Measurement Campaign in Scientific Deep Boreholes: Focus on Tools and Methods

Jean Desroches, Emilie Peyret, Adriaan Gisolf, Ailsa Wilcox, Mauro Di Giovann`i, Aernout Schram de Jong, Siavash Sepehri, Rodney Garrard, Silvio Giger
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 621–639.
Paper Number: SPWLA-2023-v64n5a2
https://doi.org/10.30632/PJV64N5-2023a2
Published: 02 October 2023
... sedimentary rock well integrity drilling operation geologist borehole imaging asia government drilling fluids and materials formation testing well logging enhanced recovery upstream oil & gas structural geology wellbore design hydraulic fracturing reservoir surveillance log analysis...
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View article titled, Stress Measurement Campaign in Scientific Deep Boreholes: Focus on Tools and Methods
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High-Resolution Time-Lapse Monitoring of Mud Invasion in Spatially Complex Rocks Using In-Situ X-Ray Radiography

Pierre Aérens, D. Nicolas Espinoza, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 715–740.
Paper Number: SPWLA-2023-v64n5a7
https://doi.org/10.30632/PJV64N5-2023a7
Published: 02 October 2023
.... 26 4 2023 7 6 2023 2 10 2023 2 10 2023 Copyright 2023, Society of Petrophysicists & Well Log Analysts upstream oil & gas united states government rock type fluid dynamics drilling fluid formulation drilling operation drilling fluid property well logging...
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View article titled, High-Resolution Time-Lapse Monitoring of Mud Invasion in Spatially Complex Rocks Using In-Situ X-Ray Radiography
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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
... transient testing complex reservoir drilling operation equation of state completion installation and operations drilling fluids and materials sedimentary geology sedimentology flow in porous media norway government social responsibility well logging reservoir surveillance production logging...
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View article titled, Integrated Formation Evaluation for Site-Specific Evaluation, Optimization, and Permitting of Carbon Storage Projects
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Journal Articles

Probe Screening Techniques for Rapid, High-Resolution Core Analysis and Their Potential Usefulness for Energy Transition Applications

Emmanuel Okwoli, David K. Potter
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 640–655.
Paper Number: SPWLA-2023-v64n5a3
https://doi.org/10.30632/PJV64N5-2023a3
Published: 02 October 2023
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View article titled, Probe Screening Techniques for Rapid, High-Resolution Core Analysis and Their Potential Usefulness for Energy Transition Applications
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Journal Articles

New Iterative Resistivity Modeling Workflow Reduces Uncertainty in the Assessment of Water Saturation in Deeply Invaded Reservoirs

German Merletti, Michael Rabinovich, Salim Al Hajri, William Dawson, Russell Farmer, Joaquin Ambia, Carlos Torres-Verdín
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (04): 555–567.
Paper Number: SPWLA-2023-v64n4a5
https://doi.org/10.30632/PJV64N4-2023a5
Published: 01 August 2023
... drilling fluid formulation drilling operation drilling fluids and materials artificial intelligence oman government drilling fluid chemistry water saturation invaded reservoir well logging reservoir characterization reservoir inversion barik reservoir drilling fluid property drilling fluid...
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View article titled, New Iterative Resistivity Modeling Workflow Reduces Uncertainty in the Assessment of Water Saturation in Deeply Invaded Reservoirs
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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

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
https://doi.org/10.30632/PJV64N1-2023a6
Published: 01 February 2023
... PETROPHYSICS 91 21 10 2021 13 9 2022 14 9 2022 1 2 2023 1 2 2023 Copyright 2023, Society of Petrophysicists & Well Log Analysts upstream oil & gas geosteering drilling operation bayesian inference well logging realization reservoir navigation artificial...
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View article titled, Enhancing the Detectability of Deep-Sensing Borehole Electromagnetic Instruments by Joint Inversion of Multiple Logs Within a Probabilistic Geosteering Workflow
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