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1-20 of 3475
Keywords: well logging
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Proceedings Papers
Recent Developments and Verifications for the Multi-Dimensional and Data-Adaptive Interpretation of Borehole UDAR Measurements
Available to PurchaseWardana 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
... ABSTRACT Ultra-Deep Azimuthal Resistivity (UDAR) measurements provide advanced subsurface imaging capabilities by bridging the gap between traditional well logging and seismic interpretation. However, interpreting UDAR measurements in complex, spatially heterogeneous, or anisotropic formations...
Proceedings Papers
Precision Beyond Limits: Breaking New Ground in Complex Structures with Ultradeep Resistivity Geo-Mapping for Accurate Geosteering
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0103
... that maximize fluid contact, minimizing operational risks, and providing strategic insights for the oil and gas industry. drilling operation geology geosteering geologist reservoir navigation lwd annual logging symposium well logging drilling measurement log analysis spwla-2025-0103 saudi...
Proceedings Papers
A Robust Joint Inversion for Improved Structural Mapping in UDAR Applications Using Multiple Measurement Sensitivities and Uncertainties
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0104
... well logging inversion result halliburton geologist log analysis udar measurement spwla 66th boundary joint inversion inversion algorithm geology annual logging symposium spwla-2025-0104 wellbore dar and udar measurement university inversion technique detection range SPWLA 66th...
Proceedings Papers
Vendor-Independent Adaptive Model-Based Inversion of LWD Azimuthal Resistivity Data
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0105
... ABSTRACT Deep and ultra-deep azimuthal resistivities are key well logging technologies for proactive reservoir navigation. The use of special inversion algorithms enables the recovering of actual resistivity distribution map around the wellbore from such measurements while drilling. Real-time...
Proceedings Papers
High Resolution Geosteering Interpretation of LWD Azimuthal Electromagnetic Data
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0107
... curtain wellbore well logging stratigraphy inversion model algorithm geology log analysis spwla-2025-0107 geosteering interpretation formation model spwla 66th inversion algorithm reservoir characterization resistivity tool annual logging symposium application interpretation constraint...
Proceedings Papers
A New Approach Integrating Geomechanical Analysis and Numerical Simulation to Conduct Fracture Characterization and Prediction in Buried Hills of the Eastern South China Sea
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0108
... derived from core samples, well logs, and seismic data, are often insufficient for dynamic reservoir conditions where fracture behavior is influenced by changing stress, fluid interactions, and geological factors (Gale et al., 2014; Bostrom et al., 2014; Gong et al., 2023). These limitations can lead...
Proceedings Papers
Integrating Machine Learning and Data Augmentation for Automated Texture Classification in Borehole Image Logs
Available to PurchaseAndré M. Souza, Matheus A. Cruz, Paola M. C. Braga, Rodrigo B. Piva, Rodrigo A. C. Dias, Paulo R. Siqueira, Willian A. Trevizan, Candida M. de Jesus, Camilla Bazzarella, Rodrigo S. Monteiro, Flavia C. Bernardini, Leandro A. F. Fernandes, Elaine P. M. de Sousa, Mirela T. Cazzolato, Daniel C. M. de Oliveira, Marcos Bedo
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0109
... aiding in advancing the adoption of ML as a valuable tool in hydrocarbon exploration and production. geologist borehole imaging neural network artificial intelligence production monitoring reservoir characterization image log transformation petroleum geology well logging structural...
Proceedings Papers
An Unsupervised Collar Wave Suppression Method with Acoustic Physics Constraint in ALWD
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0110
... waveforms in ALWD. geology well logging logging while drilling lwd collar wave log analysis drilling measurement machine learning waveform semblance plot reservoir characterization annual logging symposium geologist artificial intelligence drilling data acquisition p-wave velocity...
Proceedings Papers
Geosteering Based on Formation Dielectric Properties Derived from LWD Measurements
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0111
... Hughes Copyright 2025, held jointly by the Society of Petrophysicists and Well Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA 66th Annual Logging Symposium held in Dubai, UAE, May 17-21, 2025. below 10 ohm.m. The new LWD dielectric dispersion log...
Proceedings Papers
Automated Anomaly Detection of Multi-Metallic Tubulars in Well Integrity Logs Using Signal Mode Decomposition and Physics-Informed Decision Making
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0112
... integrity wellbore design artificial intelligence wellbore integrity machine learning data mining annual logging symposium variation accuracy rate detection algorithm completion installation and operations log analysis pipe spwla 66th collar component decomposition well logging reservoir...
Proceedings Papers
Characterizing the Response of a New LWD Micro-Electrical Imager for Oil Based Mud and Large Boreholes in Terms of Formation Wave Impedance and Mud Properties
Available to PurchaseRoland Chemali, Jennifer Market, Lars Øy, Magne Lauritzen, Inge Bye, Heidi Rydningen, Thomas Mikuz, Carina Høie Østebø
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0113
... and insightful images in OBM in a wide range of hole sizes, including large surface holes. geology borehole wall drilling fluid formulation drilling fluid property drilling fluid selection and formulation log analysis geologist drilling fluids and materials well logging drilling fluid chemistry...
Proceedings Papers
High Resolution LWD Oil Based Mud Imaging via Impulse Radar - Hydrocarbon Case Studies
Available to PurchaseJennifer 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
... production control drilling fluid chemistry borehole wall wellbore seismic drilling operation well logging production monitoring geological subdiscipline annual logging symposium synthetic resistivity imaging tool imager fracture well id resistivity vertical resolution lamination micro...
Proceedings Papers
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
... well logging structural geology lwd sandstone stratigraphy annual logging symposium resistivity drilling data acquisition geological subdiscipline inversion geologist drilling measurement mwd spwla-2025-0116 directional drilling rock type log analysis reservoir characterization sand 1...
Proceedings Papers
Fracture Detection and Segmentation from Electrical Image Logs Using YOLOv7-U-Net
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0119
... by the Society of Petrophysicists and Well Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA 66th Annual Logging Symposium held in Dubai, UAE, May 17-21, 2025. corresponding mask images and text files containing location information and category annotations...
Proceedings Papers
Oxygen Activation Logging: A New 3D Framework for Activation Modeling Brings a Step Change in Stationary and Continuous Water Flow Log Interpretation
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0123
... symposium geologist well logging detector reservoir surveillance production control interpretation modeling flow profile spwla 66th coa measurement coa curve formulation oxygen background signal coa signal detector response contribution borehole variation amplitude SPWLA 66th Annual...
Proceedings Papers
Case Study of Active Resistivity Ranging with Ultra-Deep Azimuthal Resistivity Measurements While Drilling
Available to PurchaseDiogo Salim, Yong-Hua Chen, Lin Liang, Jean-Michel Denichou, Antonio Mainieri da Cunha, Silas Alexandre da Rocha Roberto, Martine Wenang, Motaz Zeidan, Umut Ercan
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0125
... layer well logging annual logging symposium receiver spwla 66th ansh data drilling measurement target well cased well azimuthal orientation scenario resistivity frequency udar tool university spwla-2025-0125 target well distance active resistivity SPWLA 66th Annual Logging Symposium...
Proceedings Papers
UDAR Horizontal Look Ahead Mapping Technology Identifies Fault Ahead of the Bit
Available to PurchaseJin 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
... Suarez Arcano, Halliburton, Frank Antonsen, Kåre Røsvik Jensen and Andrew McGill Equinor Copyright 2025, held jointly by the Society of Petrophysicists and Well Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA 66th Annual Logging Symposium held...
Proceedings Papers
Impacts of CO 2 Adsorption on the Elastic Properties of Kerogen in Organic-Rich Mudrocks
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0127
... mudrock geologist subsurface storage geology well logging log analysis geological subdiscipline kerogen structure young sample iia spwla-2025-0127 co 2 reservoir characterization kerogen macromolecule university doi geochemistry reservoir geomechanics mudstone climate change...
Proceedings Papers
Estimation of In-Situ Mineral and Fluid Composition of Rocks from the Joint Inversion of Triple-Combo Well Logs in the Presence of Invasion
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0128
... ABSTRACT We develop a compositional joint inversion (CJI) method for the interpretation of well logs that explicitly accounts for the presence of mud-filtrate invasion. The approach constructs an earth model with piecewise constant properties, divided into two radial zones—virgin and invaded...
Proceedings Papers
Oil-Water Detection and Simulation Using Ultralow-Field Nuclear Magnetic Resonance Based on Atomic Magnetometer
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0130
... and gas detection using a three-axis vertical structure of pump light, probe light propagation direction and external magnetic field direction. artificial intelligence nuclear magnetic resonance annual logging symposium spwla 66th log analysis atomic magnetometer detection well logging...
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