Potential cleaner and greener method for ultra-tight shale oil development without hydraulic fracturing: Experimental validation for CO2 and hydrocarbon gas injection
Available online 29 May 2025
Currently, multistage hydraulic fracturing is the primary method for shale oil development. However, it has significant environmental drawbacks including large volumes of wastewater, greenhouse gas...
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Numerical modeling validation of the sealability of bismuth alloy plugs
Available online 27 May 2025
Due to the high demand for plugging and abandonment (P&A) of wells, concerns have been raised regarding existing solutions in terms of their capability of long-term sealing - such as cement, which is...
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High-resolution sequence stratigraphic framework and target sand bodies correlation of tight oil reservoirs in the Upper Triassic Yanchang Formation, Ordos Basin
Available online 21 May 2025
In this study, we developed a high-resolution stratigraphic framework for the Yanchang Formation in the Huachi Block of the Qingyang Oilfield, located in the Ordos Basin, northwest China. Using well...
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Analysis of inter-well interference and well spacing optimization for horizontal wells in Gulong terrestrial pure shale oil
Available online 21 May 2025
Gulong shale has abundant oil resources with low-porosity and low-permeability reservoir characteristics, and effective development has been achieved using horizontal well volume fracturing in single-well...
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Mechanistic study on the effect of seepage force on fracture propagation behavior in multi-cluster fracturing of horizontal wells
Available online 21 May 2025
During multi-cluster fracturing of horizontal wells, low-viscosity fracturing fluid permeates extensively along the fracture walls into the rock pores, exerting seepage forces on the rock skeleton....
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The application of radio-frequency identification (RFID) technology in the petroleum engineering industry: Mixed review
Available online 16 May 2025
Radio Frequency Identification (RFID) technology has emerged as a promising solution for real-time tracking and monitoring in the petroleum industry. This study systematically reviews recent advancements...
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Rock typing and causality analysis in unconventional formation using Bayes nets
Available online 7 May 2025
Unconventional formations are characterized by high heterogeneity and anisotropy, making it difficult to interpret logging data, perform core analysis, and create accurate petrophysical models. To address...
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Efficacy of functionalized MWCNT-based polymeric nanofluids for enhancing oil recovery in reservoirs
Available online 6 May 2025
Polymer-based enhanced oil recovery boosts production in depleted oil fields. However, harsh reservoir conditions, such as high salinity and temperature, often reduce its effectiveness. This study explores...
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Treatment of water disposal injection process by oilfield chemicals: Maintaining injectivity and environmental effects
Available online 5 May 2025
Oil production from hydrocarbon reservoirs is invariably accompanied by water production, which poses significant challenges to both production and injection systems, particularly due to the formation...
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Fracture facies estimation utilizing machine learning algorithm and Formation Micro-Imager (FMI) log
Available online 3 May 2025
Natural open fractures (NOFs) in reservoir rocks are critical factors influencing permeability. Identifying these fractures and fractured zones typically involves analyzing core samples and image logs....
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Application of biosynthesized nanoparticles in chemical enhanced oil recovery: Main mechanisms, recent advances, challenges, and opportunities
Available online 29 April 2025
Nanoparticles are increasingly used in chemical enhanced oil recovery (CEOR) due to their ability to improve oil recovery by altering reservoir rock and fluid properties. These nanoparticles, which...
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Achieving low-carbon future through CO2 storage: A comprehensive review of global projects and policies
Available online 21 April 2025
Climate change mitigation efforts require innovative solutions to reduce GHG emissions. CCUS is a crucial technology for achieving a low-carbon economy. However, significant research gaps exist in understanding...
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Hydrogen energy system and underground hydrogen storage in depleted reservoirs
Available online 18 April 2025
In a situation where the increase in greenhouse gas emissions in the atmosphere has unfavorably led to global warming, the production of energy from renewable and clean sources, instead of fossil fuels,...
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Clay mineral content and their impact on reservoir quality: Insight into the carbonate reservoirs oil fields, Central-Eastern Russia
Available online 17 April 2025
Clay minerals are widespread in both sandstone and carbonate reservoirs. Previous studies have emphasized that clay minerals influence oil filtration in sandstones; however, very few studies to date...
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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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