Investigation of hydrate inhibitor tracking in oil-gas-water multiphase flow pipelines
June 2026
As oil and gas exploration progressively moves into deepwater regions, flow assurance in multiphase transport pipelines has become a critical issue. The complex conditions in deepwater environments...
Mesoscopic mechanism of shear breakdown and static recovery characteristics of waxy crude oil gel structures
June 2026
The primary method for transporting high-wax crude oil is heated pipeline transmission. During shutdowns, the gelled state and structural strength of the congealed oil directly determine the restart...
Digital twin driven ram BOP shear capability analysis
June 2026
As a critical component of the oil drilling control system, blowout preventers (BOPs) shear failure accidents can occur in case of blowout incidents. Existing methods based on simulation and empirical...
TransUNet framework improved computed tomography image segmentation for core pore evolution
June 2026
The development of oil and gas is constrained by difficulties in dynamically characterizing pore structures. Traditional methods inadequately represent the complex interactions between mineral dissolution,...
Efficient P/S and up/down wavefield decomposition in vertical transversely isotropic media and its application in elastic reverse time migration
June 2026
Common artifacts existing in anisotropic elastic reverse time migration (ERTM) image are mainly cross-talk artifacts, false images and low-frequency noise. To address these problems, we propose a new...
Green-synthesized zinc quantum dots from parsley leaves for enhanced oil recovery: Improving IFT, wettability, and oil recovery performance
June 2026
Nanotechnology has attracted significant attention in recent decades due to its diverse applications, particularly in chemical enhanced oil recovery (cEOR). By reducing fluid–fluid interfacial tension...
Climate forcing of variations in sedimentary environments and organic matter accumulation in the Qingshankou Formation, Songliao Basin (NE China): Evidence from organic petrology and geochemistry
June 2026
Lacustrine organic matter (OM) accumulation is a critical Earth's carbon sink and a source of hydrocarbon resources. The Upper Cretaceous Qingshankou Formation in the Songliao Basin archives an organic-rich...
Pressure-regulated pore structure evolution and dielectric performance enhancement in MgO/epoxy composite systems
June 2026
With the surging demand for unconventional oil and gas extraction, the insulation performance of downhole high-power electric heaters has become a critical bottleneck limiting long-term stable operation....
Influence of pore structure on the dynamic response of porous rocks under high strain-rate impact: A mesoscale numerical investigation
June 2026
This study establishes a numerical simulation method for modeling the dynamic response of porous rocks under high strain-rate impacts and verifies its robustness, accuracy, and reproducibility. A systematic...
A novel unstructured-grid generator using upscaling applied to a compositional reservoir simulator
June 2026
This work introduces a novel unstructured grid generator using an upscaling technique and the Element-based Finite Volume Method (EbFVM). The proposed grid generator can either replicate the original...
Cenozoic morphological evolution of the Tanintharyi Shelf carbonate platform, Andaman Sea Basin: Implications for hydrocarbon reservoir potential
June 2026
The Tanintharyi Shelf in the Andaman Sea Basin hosts a significant yet largely underexplored Cenozoic carbonate platform with substantial hydrocarbon potential. This study utilizes an integrated analysis...
Grain-size control on lacustrine fan-delta architecture in source-to-sink steep-slope zones: Insights from field surveys and flume-tank experiments
June 2026
Lacustrine fan deltas, key depositional systems at basin margins, serve as crucial hydrocarbon accumulation sites. Previous studies have largely focused on depositional slope, overlooking the role of...
Paleoenvironmental and paleoclimatic evolution of the Piçarras Formation, Santos Basin, Brazil, from cuttings and well logs
June 2026
Reconstructing syn-rift paleoenvironmental systems requires an understanding of the complex interplay among tectonics, climate, and lacustrine sedimentation, which is crucial for petroleum exploration....
Residual magnetic fields from magnetic flux leaking detection accelerate microbiologically influenced corrosion of X80 pipeline steel induced by Desulfovibrio desulfuricans in sea mud environment
June 2026
Subsea pipelines buried in marine sediments are highly susceptible to microbiologically influenced corrosion (MIC). Although magnetic flux leakage (MFL) inspection is widely employed for pipeline integrity...
Co-pyrolysis of oily sludge and lignin for fabrication of high-performance adsorbent for oily wastewater treatment
June 2026
Oily sludge, a hazardous by-product of the petroleum industry, poses significant environmental risks due to its elevated levels of hydrocarbons and heavy metals. As conventional disposal methods often...
Stress characteristics and sealing mechanism of steel-titanium heterogeneous drill pipe joints
June 2026
Titanium alloy drill pipes exhibit promising potential for ultra-deep well drilling due to their high specific strength and superior corrosion resistance. However, the engagement surfaces of the pin...
Assessment of VOC mitigation from equipment leaks in petroleum refining in Guangdong, China: Insights from a long-term leak detection and repair (LDAR) implementation
June 2026
Fugitive volatile organic compound (VOC) emissions from equipment leaks in the petroleum refining industry threaten ambient air quality and human health. The impact of a long-term leak detection and...
Performance of multifunctional viscous slickwater for enhanced oil recovery in tight oil reservoirs
June 2026
Economically recovering oil from tight/shale reservoirs requires extensively developed propped fracture networks and rock matrix with sufficient oil mobility, which imposes higher demands on the fracturing...
A facies-constrained flow-network model for fast history matching and production optimization of polymer flooding reservoirs
June 2026
With the rising water cut in mature oil fields, polymer flooding has emerged as a critical Enhanced Oil Recovery (EOR) technique. However, high-fidelity numerical simulations for history matching and...
Mechanisms of miscible gas injection for ultra-low permeability carbonate reservoirs: A case study of the S reservoir in the H oilfield, Iraq
June 2026
The S reservoir is a typical Middle Eastern carbonate formation characterized by a formation temperature of 89 °C, salinity of 200,000 mg/L, and permeability below 1 mD. It exhibits low and continuously...
Genesis of lamina combinations and intelligent well-logging interpretation in the upper Xiaganchaigou Formation, Yingxi area, Qaidam Basin, China
June 2026
The laminar sedimentary structures of saline lacustrine mixed rocks affect both organic matter enrichment and reservoir storage performance. However, due to the small-scale nature of laminae, large-scale...
OFC
June 2026
Miscibility enhancing agents for improving oil recovery of CO2 flooding in low-permeability reservoirs: A study based on core displacement and nuclear magnetic resonance
June 2026
CO2 miscible flooding is a key method to improve oil recovery. However, under most petroleum reservoir conditions, CO2 cannot achieve miscibility with crude oil. Therefore, reducing the minimum miscible...
Phase-based polarized direct envelope inversion with total variation regularization for simultaneous source seismic data: Application to SEG 2014 Chevron blind test dataset
June 2026
In subsalt hydrocarbon exploration, the strong velocity contrast associated with salt structures poses significant challenges to conventional full waveform inversion (FWI) method. While direct envelope...
Mechanisms of CO2 nanobubble-enhanced oil recovery: Interfacial regulation and flow behavior control in porous media
June 2026
Nanobubbles (NBs) have unique physicochemical properties, including a large specific surface area and high mass transfer efficiency. They can be produced using environmentally friendly, low-cost physical...
