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Keywords: hydrocarbon
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Proceedings Papers
Evaluating Waterflood Effectiveness and Hydrocarbon Recovery Using Constraint Inversion of Resistivity Sigma and Core Data
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0142
... with the thickest hydrocarbon column, providing a critical location for studying reservoir behavior under water flooding conditions. The primary objectives included evaluating the effectiveness of waterflood operations, understanding fluid dynamics in the reservoir, and assessing potential hydrocarbon recovery...
Proceedings Papers
Automated T1T2 NMR Log Interpretation: From a Single Well to Standardized Multi-Well Analysis
Available to PurchaseYevgeny Karpekin, George Bordakov, Laurent Mosse, Ulises Bustos, Violeta Lujan, Akinlolu Williams, Andrew Johnson
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0073
... source. These are mapped to interpretable fluid types (e.g., clay-bound water, free water, hydrocarbons) based on their summit positions on the T1T2 Fluid Interpretation Mask, with support for fluid type customization. From the fluid volumes, key properties like hydrocarbon saturation, oil producibility...
Proceedings Papers
Automatic Source Rock Evaluation from Well Logs for Play Analysis
Available to PurchaseKjetil Westeng, Neal Morgan, Michael Lawson, Yann Van Crombrugge, Christian Nilsen Lehre, Christoph Kierdorf, Erik Marten Blixt
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0081
... ABSTRACT Source and hydrocarbon migration continues to be one of the major uncertainties when exploring for hydrocarbons. In regions where high-quality source rock is less prevalent, the automatic evaluation of source rock quality and quantity can serve as a play opener and an important...
Proceedings Papers
Leveraging Thermal Conductivity Gas Detector for Quantitative Assessment of Fluid Contacts and Transition Zones
Available to Purchase
Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0084
... ABSTRACT Evaluating hydrocarbon contact boundaries is essential for estimating the recoverable hydrocarbons in a reservoir. Measurements of quantitative C1-C5 gases along with higher molecular weight gases (above five carbons) such as aromatics and cycloalkanes using Advanced Mud Gas Logging...
Proceedings Papers
Cascaded Machine Learning in NMR: Unveiling a Continuous Grain Size Distribution Approach for Tackling Sand Production Challenges
Available to Purchase
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0077
... ABSTRACT The management of sand production in mature siliciclastic reservoirs is a recurring challenge, primarily stemming from the declining reservoir pressure as hydrocarbons are extracted over time. This phenomenon induces subsidence and compaction of reservoir rocks, which, in turn, can...
Proceedings Papers
Molecular Dynamics Simulation of CO 2 Flooding into Mineral Nanopores in the Presence of Residual Oil
Available to Purchase
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0083
... and 400 K. From the outputs of the simulations, density profiles and diffusion coefficients of the investigated molecules are quantified. We create quartz and illites surfaces containing fractions of 70 wt% and 30 wt% of water and hydrocarbon molecules respectively. Before adding CO 2 to the systems...
Proceedings Papers
Operationalisation of Advanced Mud Gas Logging in Development Drilling: Examples from the Recent HPHT Infill Campaign in the Central North Sea
Available to PurchaseSadat Kolonic, Maneesh Pisharat, Josef Schachner, Richard Shipp, Hemmo Bosscher, Pim van Bergen, Olaf Podlaha
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0041
... field experiencing production-related changes to reservoir fluid, the main objective of collecting AMG data is to aid early assessment of downhole hydrocarbon variability. For example, identifying reservoir tops, fluid dissimilarities, and an independent saturation flag is critical operational...
Proceedings Papers
3-Dimensional Ultra Deep Azimuthal Resistivity, A Tool for Identification of By-Passed Pay in Mature Fields
Available to Purchase
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0071
... distribution of the fluids as mapped from their resistivity values, however UDAR azimuthal resistivity images indicated laterally displaced hydrocarbons to the North-West of the wellbore. 3D UDAR Inversion was performed post-well to map the lateral distributions of the fluids. During real-time operations, 307...
Proceedings Papers
Identification of Bitumen with Pyrolysis Analysis on Core/Cuttings and NMR Relationship in Middle Marrat Reservoir Rock
Available to PurchaseAhmad Shoeibi, Meshari Al-Hashash, Saad Al-Ajmi, Allan Stefanic Odreman, Milton Sanclemente, Antonio Bonetti
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0049
... biogeochemistry th annual logging symposium pyrogram spwla 64 hydrocarbon nmr porosity SPWLA 64th Annual Logging Symposium, June 10-14, 2023 DOI: 10.30632/SPWLA-2023-0049 IDENTIFICATION OF BITUMEN WITH PYROLYSIS ANALYSIS ON CORE/CUTTINGS AND NMR RELATIONSHIP IN MIDDLE MARRAT RESERVOIR ROCK Ahmad Shoeibi1...
Proceedings Papers
Quantification of Complex Pore System in Heterogeneous Carbonate Reservoirs Using Borehole Resistivity Image Log from the West Coast of India
Available to Purchase
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0016
... analysis indicate hydrocarbon deposited in secondary porosity system like isolated vugs and connected vugs. The percentage of connected vugs out of the total porosity, is in unison with the well flowing economical volumes of hydrocarbons. Also the portion of isolated vugs opens doors for Enhanced Oil...
Proceedings Papers
Reducing Uncertainties and Improving Hydrocarbon Recovery in Brownfields Through an Innovative Integrated Workflow
Available to PurchaseManeesh Pisharat, Younes Boudiba, Mohamed Kelkouli, Ferhat Nettari, Nordin Meddour, Bilal Saddar, Reda Adam Babbouchi, Salim Redjdal
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0025
... expert with specific skill sets. Formation fluid evaluation has traditionally used a traditional method that heavily relies on formation pressure measurements to calculate hydrocarbon volume and estimate and forecast reserves. This was accomplished by analyzing gradients and local fluid contacts...
Proceedings Papers
Integration of NMR Log and Core Data to Determine A Generalized Petrophysical Model Applicable in the Austin Chalk
Available to Purchase
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0050
... ABSTRACT Austin Chalk is a well-known formation in the South Texas region, targeted for the abundant hydrocarbon resources. Operators utilize advanced logging systems and core data to gain a better understanding of the petrophysical properties for the formation. Nuclear magnetic resonance (NMR...
Proceedings Papers
A New Workflow for Assessment of Fluid Components and Pore Volumes from 2D NMR Measurements in Formations with Complex Mineralogy and Pore Structure
Available to Purchase
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0110
... the gaussian distributions corresponding to each cluster at each depth. The volumes associated with each cluster translates directly into the pore volumes corresponding to the different fluid components (e.g., heavy/light hydrocarbon, bound/free water) at each depth. We successfully verified the reliability...
Proceedings Papers
The Latest Developments of Laboratory NMR Techniques in Unconventional Shale Characterization
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Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0111
... productivity. Laboratory higher frequency (HF), e.g., 23-MHz NMR techniques, especially two-dimensional (2D) T1-T2 mapping, and their applications have been essential for the noninvasive characterization of tight rock samples for identifying kerogen, bitumen, heavy or light hydrocarbons, and bound or capillary...
Proceedings Papers
A Novel Workflow Based on Core and Well-Log T 1 T 2 NMR Measurements for Improved Field-Scale Assessment of Fluid Volume in Shale and Tight Reservoirs
Available to PurchaseLuisa Crousse, Artur Posenato Garcia, Boqin Sun, Elton Yang, Mason Edwards, Robert Mallan, Mehrnoosh Saneifar
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0102
... responses for water-and hydrocarbon-saturated samples. We then integrate the interpretation of these laboratory analyses with borehole NMR data. To accomplish this, we utilize a novel interpretation workflow that first approximates the 2D NMR measurements into a superposition of 2D Gaussian distributions...
Proceedings Papers
Decoding Nonproductive & Asphaltene Rich Intervals in Conventional Clastic Reservoirs While Drilling
Available to PurchaseManeesh Pisharat, Rolando di Primio, Øyvind Stirø, Yon Blanco, Julian J. Pop, Shahnawaz Molla, Karim Bondabou, Reda Karoum, Soraya Betancourt
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0006
... hydrocarbon or gas charge into an oil reservoir or oil biodegradation-residue, e.g. at paleo oil-water contact (OWC). Heavy residual oil in many reservoirs can act as a permeability barrier and is a challenge for petrophysical evaluation using conventional logging tools. Asphaltene can be residual, immobile...
Proceedings Papers
Mud-Gas Data Based Qualitative to Semi-Quantitative Near-Realtime Petrophysical Analysis Contributes Crucial Information for Critical Decisions in Real-Time Reservoir Navigation
Available to Purchase
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0010
... making such as reservoir navigation, formation testing, and completion planning. As of today, mud gas data is used for the identification of fluid contacts and to characterize the hydrocarbon content of geological formations. An offline interpretation has been developed and presented in 2016 by Ritzmann...
Proceedings Papers
Real-Time Fluid Identification from Integrating Advanced Mud Gas and Petrophysical Logs
Available to PurchaseMargarete Kopal, Gulnar Yerkinkyzy, Marianne Therese Nygård, Alexandra Cely, Frode Ungar, Sandrine Donnadieu, Tao Yang
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0009
...-0009 composition spwla 63 equation of state information porosity fluid property hydrocarbon well logging upstream oil & gas prediction identification algorithm transaction reservoir fluid density count rate pvt measurement annual logging symposium database similarity rd annual...
Proceedings Papers
A Multidisciplinary Approach to Unconventional Petrophysical Reservoir Integrated Saturation Measurements
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Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0083
... characterization detail regarding hydrocarbon and water mobility. Multi-Heating Rate Pyrolysis (MHR), a specialized staged temperature ramp pyrolysis method, provides added clarity and separatory power of mobile vs. immobile hydrocarbons to aid in the HF NMR segmentation process and understanding hydrocarbon...
Proceedings Papers
Estimation of Matrix Properties from Geochemical Spectroscopy Logs Using Machine Learning
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Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0103
...-2022-0103 prediction neural network concentration matrix property artificial intelligence matrix sigma annual logging symposium well logging herron water saturation logging symposium interpretation neutron porosity saturation spectroscopy tool hydrocarbon cross section application rd...
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