A5019182546- Petroleum Processing and Analysis
- Enhanced Oil Recovery Techniques
- Hydrocarbon exploration and reservoir analysis
- Methane Hydrates and Related Phenomena
- Lubricants and Their Additives
- Phase Equilibria and Thermodynamics
- Crystallization and Solubility Studies
- Process Optimization and Integration
- Spacecraft and Cryogenic Technologies
- Occupational Health and Safety Research
- Cultural Heritage Materials Analysis
- Risk and Safety Analysis
- Calcium Carbonate Crystallization and Inhibition
- Coal Combustion and Slurry Processing
- Force Microscopy Techniques and Applications
- Traffic and Road Safety
- Plasma and Flow Control in Aerodynamics
- Computational Fluid Dynamics and Aerodynamics
- Heat transfer and supercritical fluids
- Land Use and Ecosystem Services
- Engineering Diagnostics and Reliability
- Urban Transport and Accessibility
- Gas Dynamics and Kinetic Theory
- Regional Economics and Spatial Analysis
- Surface Modification and Superhydrophobicity
China University of Petroleum, Beijing
2016-2025
Chongqing University of Science and Technology
2021-2025
Abstract The world is rich in ordinary heavy‐oil resources. Exploring the limit of crude oil viscosity limits can further expand application polymer flooding technology reservoirs and improve development efficiency reservoirs. On basis that has been implemented Bohai offshore oilfield, this study characterized situ viscoelasticity solution SNF3640C. We compared glycerol performance low‐viscous (with a 6.5 cp) high‐viscous 65 by conducting microscopic dead‐end experiments macroscopic...
This research aims to create a numerical model for analyzing the flame propagation and quenching mechanisms of pipeline arrester. Based on fundamental theories quenching, is established solved using Ansys Workbench. The accuracy verified by comparing results with experimental data. enables detailed flow field analysis. Using this validated model, analysis conducted. temperature chemical reaction rate distribution under practical working conditions are analyzed. A method determining length...
The high content of heavy components and poor fluidity oil present a substantial challenge to its efficient transportation in the petroleum industry. Diluting with light is one approaches utilized improve fluidity. However, existing research has given relatively little attention deposition behavior blended crude oil. In this study, loop experiment device was systematically employed investigate effects components, blending ratio, properties on diluted wax, resin, asphaltene, carbon contents...
Gas distribution stations (GDSs), pivotal nodes in long-distance natural gas transportation networks, are susceptible to catastrophic fire and explosion accidents stemming from system failures, thereby emphasizing the urgency for robust safety measures. While previous studies have mainly focused on transmission pipelines, GDSs received less attention, existing risk assessment methodologies may limitations providing accurate reliable accident probability predictions fault diagnoses,...
Abstract Yield stress, as the key parameter to characterize network strength of waxy oil, is important petroleum pipeline safety. Reducing yield stress oil great significance for flow assurance. In this study, effect alternating magnetic field (intensity, frequency) on a model with nanocomposite pour point depressant (NPPD) systematically investigated. An optimum intensity and frequency found reduction in stress. When adding NPPD, heterogeneous nucleation NPPD contributes oil. Interestingly,...
A nanocomposite pour point depressant (NPPD), as a new type of wax additive or flow improver for waxy oil, has raised wide attention. Recent advances have been made in the modification crystal morphology and rheological behavior oil by NPPD. In this work, effect NPPD on deposition studied via cold finger apparatus. It was found that mass is obviously eliminated with addition NPPD, while composition analysis high-temperature gas chromatography (HTGC) indicates content deposit increases....
Crystallization modification has been applied in many fields, such as materials science, petroleum engineering, and chemical engineering. The of organic–inorganic hybrids via paraffin hydrocarbon crystallization significantly important for the exploration undersea oil gas resources. In this work, a metal oxide hybrid pour point depressant (MOIH-PPD) is provided along with an analysis microscopic structure crystal employing small-angle X-ray scattering diffraction. MOIH-PPD modified grain...
As large language models (LLMs) continue to evolve, understanding and quantifying the uncertainty in their predictions is critical for enhancing application credibility. However, existing literature relevant LLM estimation often relies on heuristic approaches, lacking systematic classification of methods. In this survey, we clarify definitions confidence, highlighting distinctions implications model predictions. On basis, integrate theoretical perspectives, including Bayesian inference,...
Paraffin wax acts as a nuisance for the flow assurance of deep-water crude pipelines where temperature varies sharply. The nanocomposite pour point depressant (NPPD), an additive in modifying crystallization paraffin wax, is proved to be effective battle against deposition and has attracted increased attention. In our previous work (Fuel, 2018, 257–268), effect NPPD on crystal lattice parameters investigated with X-ray diffraction. It found that which mainly performs nucleation templates...
In this paper, the effect of ethylene vinyl acetate (EVA) copolymer, commonly used in improving rheological behavior waxy oil, is introduced to investigate its on formation cyclopentane hydrate a water-in-waxy oil emulsion system. The wax content studied shows negative by elongating induction time. Besides, EVA copolymer found elongate time through cocrystallization with molecules adjacent oil-water interface.
液-水合物多相闪蒸算法(图1), 拓 展应用至蜡和水合物共存体系.
In recent decades, many attempts have been made to establish the cause-effect relationship model of accidents, while little work has carried out comprehensively consider interdependence between causal factors and their complex interactions with accident outcomes. this study, a novel analysis approach based on Bayesian networks (BNs) was proposed achieve quantitative dynamic risk prediction types consequences. To develop BN-based model, total 1144 cases occurred in tank farm China from 1960...
The supersonic swirling device is a new apparatus that can be used for natural-gas liquefaction. structure of the has an important impact on liquefaction efficiency. Therefore, this study presents structural design method cyclones based CFD theory. Using production parameters liquefied natural gas (LNG) peak-shaving station as case, detailed and comparison each part separator are carried out. An optimum LNG was obtained. To ensure designed achieved better effectiveness, it ascertained no...
Abstract In the present work, interaction mechanism of specific polyelectrolyte multilayers (PEMs), fabricated by layer-by-layer deposition polydiallyldimethylammonium chloride (PDDA) and poly(sodium 4-styrenesulfonate) (PSS), is studied using atomic force microscopy. The underwater oil-repellency PSS-capped PEMs was further explored measuring forces between tetradecane droplets PEMs-coated silica substrates under various salinities. curves were analyzed following...
Oilfield treated oil pipeline network is the link connecting upstream oilfields and downstream refineries. Due to differences in operating costs transportation fee between different pipelines fluctuation demand sales prices of oil, there an optimal flow allocation plan for make oilfield company obtain highest social economic benefit. In this study, a mixed integer nonlinear programming (MINLP) model developed determine rate large-scale complex network, both benefits are considered...
The coexistence of wax and hydrates will pose intractable challenges to the safety offshore oil gas production transportation, especially for deep sea or ultra-deep reservoirs. Understanding effect crystals on hydrate formation, flow properties, plugging risks systems is imperative assurance industry. Experiments using composed natural gas, water-in-oil emulsion with different contents, AA (anti-agglomerant) were conducted in a high-pressure loop. For wax-containing systems, precipitates out...