Multi-step optimization framework for efficient and geologically consistent reservoir history matching
Available online 23 October 2026
Accurate reservoir history matching (HM) is indispensable for reliable subsurface forecasting and optimal field development; however, it remains a formidable challenge due to the high dimensionality...
Foam Enhanced Carbon dioxide (CO2) Storage in a Fractured Carbonate Rock
Available online 23 October 2026
Carbonate rocks are often characterized by a dual pore system (micro and macro pores) and fractures. The presence of fractures significantly impacts fluid displacement during carbon dioxide (CO2) storage....
Digital Pore-Scale Rock Typing Using CT and SEM Image Analysis: An Integrated Approach for Quantifying Heterogeneity in Carbonate Reservoirs; Cretaceous Sarvak Formation, Zagros Basin, Iran
Available online 23 October 2026
Characterizing the complex pore systems of carbonate reservoirs remains a paramount challenge due to their inherent multi-scale heterogeneity. Traditional petrophysical methods often struggle to accurately...
Recent Advances in Nanoparticle-Assisted CO2 Foam Fracturing: Techniques, Phase Behavior, and Critical Parameters
Available online 21 October 2026
With the surge in hydrocarbon demand and the depletion of traditional resources, unconventional reservoirs such as shale, tight gas, and coal have become important energy sources. Conventional hydraulic...
Facies Evolution and Reservoir Potential of the Awaynat Wanin B Member (F3) reservoir in the NC169 Block, Wafa North Field, northwestern Ghadames Basin, Libya
Available online 15 October 2026
The Awaynat Wanin B Member (F3) is an important Devonian sandstone reservoir in the Ghadames Basin, but its internal facies architecture and controls on reservoir quality remain incompletely constrained....
A new model for predicting the open-hole extension capacity based on thermo-hydro-mechanical coupling during offshore high-temperature and high-pressure horizontal well drilling
Available online 9 October 2026
Accurate prediction of horizontal open-hole extension capacity (OHEC) is essential for offshore high-temperature and high-pressure horizontal well drilling (HTHP-HWD). However, transient thermal disturbances...
SDS-Modified Silica Aerogels: Investigating Wettability Alteration in Carbonate Saline Aquifers for Potential CO2 Sequestration Applications
Available online 3 October 2026
Wettability alteration is a promising strategy to enhance CO2 containment in geological storage by modifying rock-fluid interactions. This study synthesized and optimized sodium dodecyl sulfate-modified...
Experimental Study on the Generation, Stability, and Injection of CO2 Foams Stabilized by Nonionic Surfactants in Carbonate Rocks
Available online 1 October 2026
CO2 injection is a widely established oil recovery method; however, continuous gas injection often suffers from poor mobility control, gravitational segregation, and viscous instability, leading to...
Large-scale visualized physical simulation of the occurrence and flow of condensate oil in fracture-vuggy condensate gas reservoir
September 2026
The Tazhong No. 1 condensate gas reservoir in Tarim Basin shows complex storage spaces and strong heterogeneity. To intuitively assess the production performance characteristics of the condensate gas...
A technical review of in situ conversion technologies for oil shale
September 2026
The global depletion of conventional oil and gas resources has led to the exploration of alternative energy resources. Among these resources, oil shale is a fine-grained sedimentary rock with a large...
Full-field petroleum production forecasting: Is deep learning all you need?
September 2026
We investigate full-field petroleum production forecasting using machine learning. A data-driven proxy model that predicts field-scale production under various operational scenarios is proposed. It...
Effects of TPH contamination on soil and rice growth: Assessing the efficacy of sodium persulfate as a remediation agent
September 2026
Soil contamination by total petroleum hydrocarbons (TPH) poses a major risk to soil health and crop productivity. This study aims to investigate the effects of TPH on soil properties and rice growth...
Preparation and mechanistic analysis of high-selectivity water control systems
September 2026
This paper presents a highly selective water control system designed to address declining oil production in offshore wells caused by rising water cuts while overcoming the poor selectivity of current...
Fluid flow mechanisms in tight gas reservoirs: A case study of Xujiahe formation in the central Sichuan basin
September 2026
Tight sandstone gas reservoirs exhibit low gas abundance and extensive gas-bearing lithology, presenting promising prospects for future exploration and development. However, their exploitation in the...
Proppant transportation in vertical fractures with controlled roughness in different positions
September 2026
Effective proppant placement is essential for increasing the production of unconventional oil/gas reservoirs. It can substantially affect the fracture roughness. This paper presents a laboratory fracture...
Data-driven real-time prediction of cutting's transport index in directional wellbores
September 2026
The drilling of non-vertical wellbores requires effective real-time monitoring techniques to improve drilling efficiency. This study innovatively develops nine robust hybrid machine learning (HML) models...
Drilling wellhead structure's fire resistance evaluation with gas well blowout fires
September 2026
To address the absence of fire resistance evaluation methods for drilling wellhead structures under gas well blowout fires, this study firstly conducted experiments to investigate the mechanical properties...
A new model of predicting the optimal mud density for maximizing the open-hole extension capacity in offshore extended-reach horizontal well drilling
September 2026
The pressure fluctuation caused by the axial movement of the string easily causes the bottomhole pressure to exceed the safe pressure window, which seriously restricts the horizontal open-hole extension...
Corrosion inhibitors in drilling mud: Advances, challenges, and future Directions
September 2026
Corrosion remains a persistent challenge in drilling operations, particularly under high-pressure, high-temperature (HPHT) conditions, resulting in economic losses and safety risks. While conventional...
Influence of dually modified tapioca starch on drilling fluid filtration and filter cake development on rock samples
September 2026
Degradation of biomaterials under high temperatures and saline conditions leads to deterioration and loss of performance in deep well drilling applications. This research focuses on examining the impact...
Inversion method for multi-section friction factors in horizontal wells based on Fisher optimal segmentation and SSA
September 2026
The friction factor plays a critical role in drag and torque calculations. In the drag and torque model, the friction factor is typically treated as an average value, or the wellbore is roughly divided...
Advanced machine learning approaches for optimizing waterflooding: A focus on injector-producer dynamics
September 2026
Waterflooding persists as the primary secondary oil recovery method, although its efficiency evaluation is often hindered by limitations from reservoir heterogeneities alongside non-uniform sweep efficiency...
Influence of fracturing fluid rheology on proppant transport and elbow erosion: A comparative CFD-DEM study
September 2026
To enable the precise prediction and control of erosion in hydraulic fracturing pipelines, this study employs a CFD-DEM method coupled with a wear model to quantitatively analyze the influence of shear-thinning...
Dynamic loads on energy pipelines: Origins, mitigation strategies, and future research directions
September 2026
Pipelines are an indispensable part of the global infrastructure for energy transportation, and their integrity poses a significant risk as the dynamic loads generated throughout their life cycle might...
Performance evaluation of hybrid polymer-phosphonate scale inhibitors in oilfield water flooding operations
September 2026
The formation of inorganic scales such as calcium sulfate and barium sulfate during water injection in oilfields can severely impair productivity by clogging pores and reducing rock permeability. This...
