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ISSN: 2405-6561
CN: 51-1785/TE
e-ISSN: 2405-5816

Design and performance evaluation of nano-based drilling fluid system for hydrate bearing sediments

Well drilling operations are essential for the exploration and development of natural gas hydrates. However, under specific conditions, drilling fluids can invade reservoirs, leading to borehole instability...

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Nanoscale flow model modelling and analysis of tight reservoir based on viscosity change and interfacial slip characteristics in confined space

Understanding the flow mechanisms between hydrocarbons and interfaces in nanopores is critical for fluid supply in tight reservoirs with huge reserves. In this paper, the nanoscale liquid-solid interface...

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The role of resins in crude oil rheology and flow assurance: A comprehensive review

Resins are a significant component of crude oil, distinct from asphaltenes, and play a crucial role in influencing both rheological properties and flow characteristics. Understanding resin behavior...

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A novel approach to modeling breakdown pressure dynamics using machine learning

This study presents a novel machine learning (ML)-based approach for predicting breakdown pressure (BP) in hydraulic fracturing using experimental data. Unlike traditional analytical models that rely...

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Enhancing P(AM-co-AA) Hydrogel Performance: Dual Crosslinking Effects on Structural Strength, Thermal Stability, Swelling Capacity, and Rheological Behavior for Effective Sand Production Control in Oil Reservoirs

The efficiency of mechanical methods in controlling water production and fine migration in reservoirs has been limited, prompting researchers to focus on developing more resilient chemical methods....

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Phase change material microcapsules used for cooling of ultra-deep oil/gas and geothermal drilling fluids

Phase-change material (PCM) has a high potential to cool the drilling fluids for ultra-deep oil/gas wells and geothermal wells to ensure efficient drilling and resource exploitation. Because PCM tends...

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Synthesis and characterization of a novel high temperature resistant hydrophobic associative polymer for hydraulic fracturing

Hydraulic fracturing is a critical process in oil and gas extraction, particularly in high-temperature deep and ultra-deep reservoirs where traditional polymers like partially hydrolyzed polyacrylamide...

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A mini-review of water-alternating-CO2 injection process and derivations for enhanced oil recovery and CO2 storage in subsurface reservoirs

Increasing carbon dioxide levels are significantly impacting the ecosystem, prompting the oil industry to explore innovative methods for reducing emissions and trapping CO2 while enhancing oil recovery....

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Experimental study on the influence of heavy mud loss during workover on re-fracturing of high-pressure gas wells

During workover operations in high-pressure gas wells, heavy mud losses may occur, reducing gas production. Refracturing is an effective means to restore production. The influence of heavy mud loss...

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Novel Thermochemical Fracturing: A Breakthrough in Sustainable and Efficient Enhanced Geothermal Systems (EGS)

Geothermal energy offers a sustainable and renewable resource for electricity generation by harnessing the Earth's natural heat. Despite its potential, challenges in accessing geothermal reservoirs...

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Acid-rock interaction investigation and the influence of fractures during matrix acidizing in carbonate rocks

This study aimed to evaluate the effects of chemical dissolution on the properties of reservoirs by matrix acidizing, using synthetic carbonate rocks with and without fractures, prepared with limestone...

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Impact of hydroxypropyl guar polymer on rheology and filtration properties of water-based drilling fluids

Water-based drilling muds (WBM) are a very crucial component of the oil and gas industry; however, they often face challenges with inadequate rheological performance and excessive fluid loss. This paper...

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Criterion to foresee the affinity of various coatings/substrates to asphaltene deposition in oil wells

Asphaltene deposition in oil wells has long been considered a severe problem. It can be treated using various chemical, mechanical, and thermal methods. However, these methods are often associated with...

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Advancements in green materials for chemical enhanced oil recovery: A review

Chemical enhanced oil recovery (CEOR) is well known for its success in recovering the trapped oil in reservoirs after waterflooding operations. In CEOR, synthetic chemicals are utilized to increase...

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Numerical simulation of seismicity potential resulting from the injection of CO2 into depleted reservoir in Wilbarger County field, Texas

Fluid injection in fractured rocks presents significant challenges requiring the integration of various elements to account for reservoir property heterogeneities. To understand magnitude of potential...

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Experimental evaluation method of density suitability between bridging lost circulation materials and drilling fluid

Ultra-deep geological conditions are complex, often leading to leakage issues. As the depth increases during ultra-deep bridging lost-circulation operations, the varying settling velocities of different...

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Architecture and differential hydrocarbon enrichment of basins under joint constraints of basement nature and regional stresses: A case study of the passive continental margin basins along the East Coast of Canada

The East Coast of Canada presents multiple passive continental margin basins (PCMBs) characterized by significant architectural differences and limited oil and gas discoveries, establishing these basins...

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A systematic investigation of drilling fluid bulk relaxation impact on NMR interpretation for formation evaluation

During drilling, mud filtrate invasion alters near-wellbore properties which possibly impacts well logging measurements causing inaccuracies in formation evaluation. Given the shallow detection depth...

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An experimental study to investigate the role of pyrolysis reaction on in-situ hydrogen generation from sandstone oil reservoirs

In-situ combustion gasification (ISCG) is a technology in the field pilot stage used for hydrogen generation from oil reservoirs. ISCG is implemented by injecting an oxidant (pure oxygen, air, …) into...

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Design and analysis of low-density, high-pressure-resistant epoxy resins for advanced leakage control: Insights from experiments and simulations

Leakage control in deep oil and gas wells is challenging, often leading to increased costs. In this study, a low-density, high-pressure resistant and thermally stable epoxy resin (BEPD) was synthesized...

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Characteristics and genesis analysis of middle and lower Ordovician dolomite in the southern margin of the Ordos Basin, China

The Middle-Lower Ordovician formations in the southern margin of the Ordos Basin host multiple sets of dolomites, which readily form high-quality reservoirs with promising exploration prospects. Understanding...

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Insights into the application of microfluidic platforms in enhanced oil recovery

Enhanced oil recovery (EOR) technologies are used to recover most of the trapped crude oil from our limited reserves. With the escalating energy demand, EOR will achieve substantial economic benefits...

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Fast tracking of safe CO2 trapping indices using machine learning for smarter reservoir management

Predicting trapping indices is crucial for assessing the viability of carbon dioxide (CO2) storage sites, particularly in mitigating risks associated with cap-rock failure. Accurate prediction of trapping...

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Lithofacies paleogeography of the Ordovician and its petroleum exploration potential in the middle-upper Yangtze area, South China

Based on the drilling, logging and field analysis, this paper discusses the lithofacies paleogeography of the Ordovician and its petroleum potential in the middle-upper Yangtze area, southern China....

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Fast and accurate CO2 solubility predictions: A comparative study of machine learning models and the Duan and Sun models

Accurately predicting CO2 solubility in brines is crucial for industrial processes such as carbon capture, utilization, and storage (CCUS), enhanced oil recovery (EOR), and reservoir stimulation, since...

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