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Proceedings Papers

New Insights into the Understanding of Sand Injectite Complexes, Using Advanced Log Data, Ultra-Deep Resistivity Inversions and Outcrop Field Observations

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Sayyid Ahmad, Joanna Mouatt, Gianbattista Tosi, Fanny Dominique Marcy, Nigel Clegg
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0016
https://doi.org/10.30632/SPWLA-2025-0016
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View Paper titled, New Insights into the Understanding of Sand Injectite Complexes, Using Advanced Log Data, Ultra-Deep Resistivity Inversions and Outcrop Field Observations
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Proceedings Papers

Pore Network Characterization Utilizing LWD Acoustic Pore Aspect Ratio and NMR Rock Typing for Enhanced Well Placement

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Endurance Ighodalo, S. Mark Ma, Marie Van Steene
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0030
https://doi.org/10.30632/SPWLA-2025-0030
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View Paper titled, Pore Network Characterization Utilizing LWD Acoustic Pore Aspect Ratio and NMR Rock Typing for Enhanced Well Placement
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Proceedings Papers

Water Saturation Conundrum: Getting It Right Through the Recommended Best Practices in Dean Stark Analysis

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Siti Najmi Farhan Zulkipli, Jamari M. Shah
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0032
https://doi.org/10.30632/SPWLA-2025-0032
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View Paper titled, Water Saturation Conundrum: Getting It Right Through the Recommended Best Practices in Dean Stark Analysis
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Proceedings Papers

Unveiling Reservoir Potential with Worlds First 360-Degree Wireline Microresistivity Imaging in Oil-Based Mud for 12.25-Inch Borehole

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Harish B. Datir, Joern Schuenemann, Anup Thorat, Peter Schlicht, Iver Kjørsvik, Stefan Lubeseder
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0034
https://doi.org/10.30632/SPWLA-2025-0034
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View Paper titled, Unveiling Reservoir Potential with Worlds First 360-Degree Wireline Microresistivity Imaging in Oil-Based Mud for 12.25-Inch Borehole
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Proceedings Papers

Horizontal Well Array Induction Logging Data Processing and Interpretation Based on Parameterized Modelling and Inversion

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Jun Zhou, Meixiang Gao, Yan Bai, Zhu Ding, Peisheng Wang, Zonghui Gao, Xiaolei Chen, Dou Tian, Jiaqi Xiao
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0037
https://doi.org/10.30632/SPWLA-2025-0037
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View Paper titled, Horizontal Well Array Induction Logging Data Processing and Interpretation Based on Parameterized Modelling and Inversion
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Proceedings Papers

Integrated Approach with Maximum Usage of Surface Logging, XRD/XRF, Coriolis, Advanced Gas and Cavings Check Data in Conjunction with Detailed Geological Analysis to Optimize Wells Drilling in Challenging Middle Marrat and Najmah Reservoirs of North Kuwait

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Saad Al-Ajmi, Oswaldo Klinger, Andrey Gryaznov, Ahmad Shoeibi, Majid Moazami, Chinmaya Pattnaik
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0042
https://doi.org/10.30632/SPWLA-2025-0042
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View Paper titled, Integrated Approach with Maximum Usage of Surface Logging, XRD/XRF, Coriolis, Advanced Gas and Cavings Check Data in Conjunction with Detailed Geological Analysis to Optimize Wells Drilling in Challenging Middle Marrat and Najmah Reservoirs of North Kuwait
Open the PDF for Integrated Approach with Maximum Usage of Surface Logging, XRD/XRF, Coriolis, Advanced Gas and Cavings Check Data in Conjunction with Detailed Geological Analysis to Optimize Wells Drilling in Challenging Middle Marrat and Najmah Reservoirs of North Kuwait in another window
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Proceedings Papers

A Monitoring and Analysis Platform for Real Time and Autonomous Formation Evaluation and Machine Learning Deployment of Multiple Concurrent Assets

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Lautaro Rayo, Laila Alshammasi, Yacine Meridji, Majed Kanfar
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0050
https://doi.org/10.30632/SPWLA-2025-0050
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View Paper titled, A Monitoring and Analysis Platform for Real Time and Autonomous Formation Evaluation and Machine Learning Deployment of Multiple Concurrent Assets
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Proceedings Papers

20 Years of Formation Pressure While Drilling (FPWD) - What Have We Discovered?

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Alex Dykes, Scott Paul, Aldrick Garcia Mayans, Yon Blanco, Marcus Turner, Sammy Molua Lyonga, Aydar Galiev, Laura Jimenez Cabas, Shahid Haq, Zhang Lei
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0071
https://doi.org/10.30632/SPWLA-2025-0071
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View Paper titled, 20 Years of Formation Pressure While Drilling (FPWD) - What Have We Discovered?
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Proceedings Papers

Geostopping with Ultradeep Electromagnetic Look-Ahead Technology to Mitigate Drilling Risks in Brazilian Presalt Carbonate Reservoir

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Guillermo Marcelo Cuadros, Ligia Naia de Matos, Egor Kovarskiy, Antonio Mainieri Vieira da Cunha, Valerio Picorelli Ladeira Dutra
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0079
https://doi.org/10.30632/SPWLA-2025-0079
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View Paper titled, Geostopping with Ultradeep Electromagnetic Look-Ahead Technology to Mitigate Drilling Risks in Brazilian Presalt Carbonate Reservoir
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Proceedings Papers

Machine-Learning Solutions for Mitigating Drilling Environment Impacts on NMR Logs in Brazilian Pre-Salt Carbonates

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Larissa Furtado Torres, Marcio Roque Coutinho, Marcelo Abbehusen Magalhães, Marcus Santini Tavares, Carlos Eduardo Roriz, Emerson dos Santos, Marcelo Cordeiro, Rodrigo de Souza, Fares Pessoa, Bruna da Silva
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0092
https://doi.org/10.30632/SPWLA-2025-0092
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View Paper titled, Machine-Learning Solutions for Mitigating Drilling Environment Impacts on NMR Logs in Brazilian Pre-Salt Carbonates
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Proceedings Papers

Machine Learning Method Enables Fast and Accurate Pore Pressure Prediction with Well Logs, a Case Study in Offshore, China

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Yongde Gao, Peng Liu, Dianqiang Sun, Ming Chen
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0095
https://doi.org/10.30632/SPWLA-2025-0095
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View Paper titled, Machine Learning Method Enables Fast and Accurate Pore Pressure Prediction with Well Logs, a Case Study in Offshore, China
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Proceedings Papers

Fluid Production Profiling in Deep-Water Carbonates: Intrawell Chemical Tracers Application in Long Horizontal Drains

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Marco Pirrone, Giuseppe Galli, Sara Moriggi
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0099
https://doi.org/10.30632/SPWLA-2025-0099
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View Paper titled, Fluid Production Profiling in Deep-Water Carbonates: Intrawell Chemical Tracers Application in Long Horizontal Drains
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Proceedings Papers

Fast Multi-Level and Multi-Grid Stochastic Inversion of UDAR Measurements

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Nazanin Jahani, Kristian Fossum, Wardana Saputra, Carlos Torres-Verdín, Egil Romsås Fjeldberg
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0101
https://doi.org/10.30632/SPWLA-2025-0101
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View Paper titled, Fast Multi-Level and Multi-Grid Stochastic Inversion of UDAR Measurements
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Proceedings Papers

Recent Developments and Verifications for the Multi-Dimensional and Data-Adaptive Interpretation of Borehole UDAR Measurements

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Wardana Saputra, Carlos Torres-Verdín, Joaquin Ambia, Bruce G. Klappauf, Weichen Zhan, Nazanin Jahani, Jörn Zimmerling, Vladimir Druskin, Sofia Davydycheva, Ivan Davydychev, Egil Romsås Fjeldberg
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0102
https://doi.org/10.30632/SPWLA-2025-0102
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View Paper titled, Recent Developments and Verifications for the Multi-Dimensional and Data-Adaptive Interpretation of Borehole UDAR Measurements
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Proceedings Papers

Precision Beyond Limits: Breaking New Ground in Complex Structures with Ultradeep Resistivity Geo-Mapping for Accurate Geosteering

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Ida Bagus Gede Hermawan Manuaba, Abdullah Alshehri, Hesham Elmasry, Eduard Bikchandaev
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0103
https://doi.org/10.30632/SPWLA-2025-0103
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View Paper titled, Precision Beyond Limits: Breaking New Ground in Complex Structures with Ultradeep Resistivity Geo-Mapping for Accurate Geosteering
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Proceedings Papers

High Resolution LWD Oil Based Mud Imaging via Impulse Radar - Hydrocarbon Case Studies

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Jennifer Market, Lars Øy, Roland Chemali, Benjamin Barrouillet, Heidi Rydningen, Ian Walker, Thomas Mikuz, Andrew Jones, Carina Høie Østebø, Kjell Harald Dalehaug
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0114
https://doi.org/10.30632/SPWLA-2025-0114
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View Paper titled, High Resolution LWD Oil Based Mud Imaging via Impulse Radar - Hydrocarbon Case Studies
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Proceedings Papers

Optimizing Wellbore Placement with Near Bit Ultra-Deep Azimuthal Resistivity

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Alessandra Silva, Nigel Clegg, Karol Riofrio, Carlos Sarquez, Ville August Aarseth, Ole Martin Teien, Amitabha Chatterjee, Gustav Kvaal Legouy
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0115
https://doi.org/10.30632/SPWLA-2025-0115
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View Paper titled, Optimizing Wellbore Placement with Near Bit Ultra-Deep Azimuthal Resistivity
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Proceedings Papers

Implementation of High-Definition Reservoir Mapping-While-Drilling to Enhance Horizontal Well Placement and Reservoir Characterization in Low-Resistivity, Heterogeneous Reservoir: A Case Study from Peru

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Federico Seminario, Jorge Sarmiento, Edwar Bustamante, Edson Castillo, Tito Orrego, Egor Kovarskiy, Guillermo Cuadros, Igor Martinez, Victor Laguna
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0116
https://doi.org/10.30632/SPWLA-2025-0116
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View Paper titled, Implementation of High-Definition Reservoir Mapping-While-Drilling to Enhance Horizontal Well Placement and Reservoir Characterization in Low-Resistivity, Heterogeneous Reservoir: A Case Study from Peru
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Proceedings Papers

UDAR Horizontal Look Ahead Mapping Technology Identifies Fault Ahead of the Bit

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Jin Ma, Nigel Clegg, Arthur Walmsley, Nelson Suarez Arcano, Frank Antonsen, Kåre Røsvik Jensen, Andrew McGill
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0126
https://doi.org/10.30632/SPWLA-2025-0126
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View Paper titled, UDAR Horizontal Look Ahead Mapping Technology Identifies Fault Ahead of the Bit
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Proceedings Papers

Evaluating Waterflood Effectiveness and Hydrocarbon Recovery Using Constraint Inversion of Resistivity Sigma and Core Data

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Harish B. Datir, Laurent Mosse, Sudipto Datta, Amit Singh, David John Jackson
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0142
https://doi.org/10.30632/SPWLA-2025-0142
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View Paper titled, Evaluating Waterflood Effectiveness and Hydrocarbon Recovery Using Constraint Inversion of Resistivity Sigma and Core Data
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