A new method for minimum distance separation factor calculation based on particle swarm optimization algorithm
Available online 7 April 2025
Anti-collision technology for wellbores is integrated into both the pre-drilling design and real-time drilling monitoring of cluster wells, infill wells, and directional wells. This technology encompasses...
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Influence of solvent-to-oil mass ratios on high-pressure asphaltene precipitation
Available online 5 April 2025
Asphaltene precipitation during solvent-based enhanced oil recovery under reservoir conditions impedes production efficiency and degrades oil quality. This study aims to optimize solvent-to-oil mass...
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Surface Wettability of Quartz and Calcite: Impact of Cleavage, Exposure Time, and Scale-of Measurement
Available online 4 April 2025
Accurately characterizing the wettability of solid surfaces is essential for various applications. Numerous factors, such as operating conditions and the features of the sample surface, affect wettability....
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Leakage monitoring of carbon dioxide injection well string using distributed optical fiber sensor
March 2025
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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Nanoparticles stabilized foam fluid for hydraulic fracturing application of unconventional gas reservoirs: A review of the properties, progress and future prospects
March 2025
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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Numerical validation of a novel cuttings bed impeller for extended reach horizontal wells
March 2025
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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Determining the geomechanical units using rock physics methods
March 2025
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
March 2025
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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CO2 injection for enhanced oil recovery: Analyzing the effect of injection rate and bottom hole pressure
March 2025
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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Electrofacies-driven 3D-static reservoir modeling of the Late Cenomanian AbuRoash’G Member (Abu-Gharadig Basin, Egypt): Sequence stratigraphic and geomodel constraints for a gas-bearing estuarine system
March 2025
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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Flow assurance methods for transporting heavy and waxy crude oils via pipelines without chemical additive intervention
March 2025
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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Modelling of physical and chemical properties of activated carbons which affect methane adsorption mechanisms
March 2025
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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Generating extremely low-dimensional representation of subsurface earth models using vector quantization and deep Autoencoder
March 2025
Geological model compression is crucial for making large and complex models more manageable. By reducing the size of these models, compression techniques enable efficient storage, enhance computational...
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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
March 2025
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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Production optimization of heavy oil recovery utilizing Mo-Ni based liquid catalysts: A simulation approach
March 2025
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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Three systems of the oil and gas formation in the world
March 2025
Crude oil and natural gas are generated by organic matters in rocks in sedimentary basins. After incisive and systematic research on global petroliferous basins, it is realized that the distribution...
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Identification and tracing of near-source petroleum transport system based on reservoir bitumen index (RBI) method: A case study of the lower cambrian in the Tazhong-Bachu area, Tarim Basin, China
March 2025
The exploration of deep layers has become increasingly important in the global oil and gas industry. The Tazhong-Bachu area of the Tarim Basin is a pioneering target for deep petroleum exploration in...
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Morphometry, bathymetry, gravity analyses and active tectonics of the petroliferous Gulf of Mannar in the Indian sector
Available online 29 March 2025
The Gulf of Mannar has been producing natural gas in the Sri Lankan portion. This indicates that a detail geoscientific study is to be undertaken from the Indian section of the gulf, which can have...
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A new intelligent optimization method for drilling parameters of extended reach wells based on mechanical specific energy and machine learning
Available online 12 March 2025
Extended reach wells (ERWs) can efficiently develop offshore satellite oilfields, reduce development costs and improve economic benefits. However, owing to the complex geological conditions, it is difficult...
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Spatio-temporal characterisation of the Beekeeper Formation of Australia: facies development, mixing of carbonate and siliciclastic materials, and influencing factors
Available online 7 March 2025
The Beekeeper Formation, a mixed carbonate-siliciclastic reservoir, has long been known as a proven gas reservoir in the northern Perth Basin, Australia. However, its characteristics, and spatio-temporal...
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Enhancing oil recovery with MWCNT and GO nanocomposites in high salinity heterogeneous media
Available online 5 March 2025
Water injection remains the predominant method in the oil recovery process, but chemical flooding methods such as nanohybrid injection, with its distinct advantages, emerge as a promising alternative...
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Influence of stress sensitivity on pore structure of tight reservoirs: A Digital core based analysis
Available online 5 March 2025
During the development of tight reservoirs, as the formation pressure decreases, the effective stress on the rock matrix increases. This leads to rock deformation and, consequently, changes in the physical...
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A comparative experimental study on the prediction of renewable oils properties using RGB and HSV image processing techniques
Available online 4 March 2025
In this study, renewable oil properties of Flash Point (0C), Fire Point (0C), Density (kg/m3), Cloud Point (0C), Pour Point (0C), and Viscosity (cST) are predicted using image processing techniques...
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Simulation-driven sensitivity analysis and optimization of critical parameters for maximizing CO2-EOR efficiency
Available online 27 February 2025
The application of Carbon Dioxide (CO2) injection in enhanced oil recovery (EOR) has evolved, making a major benefit for increasing the production level from mature reservoirs. This paper investigates...
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Investigation on phase behavior of shale condensate gas under multi-interface effect
Available online 21 February 2025
Shale condensate reservoirs, as a significant unconventional resource, have been gaining increasing interest in recent times. Researchers have developed a variety of models to analyze interfacial effects...
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