Sedimentary microfacies of Member 5 of Xujiahe Formation in the Dongfengchang area, Sichuan Basin
September 2024
Member 5 of the Upper Triassic Xujiahe Formation (T3X5) in central Sichuan Basin has made a breakthrough in exploration recently. However, this new stratum has not been investigated sufficiently with...
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Petrophysical insights into pore structure in complex carbonate reservoirs using NMR data
September 2024
The study delves into pore structure attributes within the complex Eocene carbonate of an Indian offshore field, encompassing pore throat, radius and their characteristics. Nuclear Magnetic Resonance...
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Harnessing deep transient testing for reservoir characterization and CO2 emission reduction in challenging geological settings
September 2024
This paper provides a comprehensive overview of Deep Transient Testing (DTT), a cutting-edge technique for reservoir characterization that has revolutionized the oil and gas industry. The main aim of...
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Fast production and water-breakthrough analysis methods demonstrated using Volve Field data
September 2024
When producing from conventional fields, the well rates are primarily constrained by the production-system in the early years of the field-life, while later in the field-life the production rates are...
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Research on physical explosion crater model of high-pressure natural gas pipeline
September 2024
In this study, Hypermesh and LS-DYNA numerical simulation software are used to build a multi domain coupling model of natural gas pipeline, including soil, pipeline, TNT explosive and air domain, and...
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Applicability of deep neural networks for lithofacies classification from conventional well logs: An integrated approach
September 2024
Parametric understanding for specifying formation characteristics can be perceived through conventional approaches. Significantly, attributes of reservoir lithology are practiced for hydrocarbon exploration....
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Enhancing production monitoring: A back allocation methodology to estimate well flow rates and assist well test scheduling
September 2024
Production flow rates are crucial to make operational decisions, monitor, manage, and optimize oil and gas fields. Flow rates also have a financial importance to correctly allocate production to fiscal...
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Reliability of permanent downhole systems: Minimum sample and quality index
September 2024
Permanent downhole monitoring systems are responsible for measuring pressure and temperature time series and enable uninterrupted reservoir characterization during the oil field production period, playing...
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Empirical study of magnetohydrodynamic effect on fluid flow in clayey porous media
September 2024
Enhancing oil recovery from clayey reservoirs is a significant challenge in petroleum industry due to complex interactions between fluids and rock surfaces, particularly clay swelling. This study presents...
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Influence of mantle plume on continental rift evolution: A case study of the East African rift system
September 2024
Mantle plume is an essential component of the mantle convection system, and its influence on the geodynamics of continental rifts is of great significance for understanding the crust–mantle interaction....
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Investigation of a solid particle deposition velocity in drag reducing fluids with salinity
September 2024
Optimal and cost-effective drilling operations in extended-reach horizontal wells depend on efficient solid cuttings removal from the borehole. Several solids-suspended multiphase processes such as...
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Mitigating gas migration with eutectic bismuth alloy plugs
Available online 25 September 2024
Gas migration is an important concern to address in oil wells, especially in those that are to be abandoned. Stopping a gas leakage is not a simple task, and this can be particularly detrimental when...
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Comparative organic geochemistry of shale deposits of northern Appalachian Basin
Available online 23 September 2024
The organic-rich black shales in the Appalachian basin are a vital producer of natural gas. In this study, we present new multiproxy geochemical data from the Ordovician and Devonian black shales in...
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Combined mechanistic and machine learning method for construction of oil reservoir permeability map consistent with well test measurements
Available online 12 September 2024
We introduce a novel method for estimating the spatial distribution of absolute permeability in oil reservoirs, consistent with well logging and well test measurements. The primary objective is to create...
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CO2 injection for enhanced oil recovery: Analyzing the effect of injection rate and bottom hole pressure
Available online 30 August 2024
The goal of net-zero carbon emissions has led to widespread interest in lowering carbon dioxide (CO2) emissions. At the same time, the oil and gas industry seeks to enhance oil recovery (EOR) techniques...
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Nanoparticles stabilized foam fluid for hydraulic fracturing application of unconventional gas reservoirs: A review of the properties, progress and future prospects
Available online 28 August 2024
Nanoparticles stabilized foam fracturing fluid is an emerging technology in the field of hydraulic fracturing for the unconventional reservoirs. Hydraulic fracturing, commonly known as fracking, is...
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Production optimization of heavy oil recovery utilizing Mo-Ni based liquid catalysts: A simulation approach
Available online 28 August 2024
In recent years, the demand for heavy oil has increased due to its abundant availability and low cost. However, the extraction of heavy oil poses a significant challenge due to its high viscosity and...
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Leakage monitoring of carbon dioxide injection well string using distributed optical fiber sensor
Available online 26 August 2024
Whether the oil and gas fields in the Carbon Capture, Utilization, and Storage (CCUS) project use underground storage or energy supplementation to enhance oil recovery, they must be injected or monitored...
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Determining the geomechanical units using rock physics methods
Available online 15 August 2024
The stability of the drilled wellbores in carbonate formations is of great importance. This paper is a new approach to determine the elastic properties of the wellbore based on rock physics methods...
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Shale gas accumulation mechanism of deep-buried marine shale of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation in the southeast Sichuan Basin
Available online 15 August 2024
Deep shale gas has become an important frontier for future shale gas exploration and development. The Wufeng-Longmaxi formations in southern China have undergone complex tectonic and transformation...
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Modelling of physical and chemical properties of activated carbons which affect methane adsorption mechanisms
Available online 10 August 2024
Effect of important physical and chemical properties of activated carbons which affect the way methane adsorbs were studied. The Grand Canonical Monte Carlo (GCMC) simulations were used to study how...
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Flow assurance methods for transporting heavy and waxy crude oils via pipelines without chemical additive intervention
Available online 25 July 2024
Most of the unconventional fossil fuel reserves consist of heavy crude oil. Crude oil is transported through pipelines, land, and cargo tankers. It loses its ability to flow below its pour point. Therefore,...
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Electrofacies-driven 3D-static reservoir modeling of the Late-Cenomanian AbuRoash’G lithounit (Abu-Gharadig Basin, Egypt): Sequence stratigraphic and geomodel constraints for a gas-bearing estuarine system
Available online 20 July 2024
Estuarine-systems, developed upon transgressive-phases, feature high-quality reservoir-facies, e.g. tidal-bars, that are important stratigraphic-plays critical for hydrocarbon exploration-development....
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Development characteristics and controlling mechanism of different microfracture combinations in shale reservoir: A case study of silurian longmaxi formation in Weiyuan area
Available online 14 July 2024
Fractures in organic-rich shale are important reservoir spaces and seepage channels of shale gas, and they are closely related to the gas-bearing properties of shale. The development characteristics...
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Numerical validation of a novel cuttings bed impeller for extended reach horizontal wells
Available online 11 July 2024
To reduce the risk of downhole accidents resulting from poor wellbore cleaning during the drilling of extended reach horizontal wells, a new cuttings bed impeller is developed. The performance of existing...
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