Quantitative study on the blockage degree of pores due to asphaltene precipitation in low-permeability reservoirs with NMR technique
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2017.11.021
Abstract: Abstract With the nuclear magnetic resonance (NMR) technology, a new experimental method was proposed to study the blockage degree of pores due to asphaltene precipitation during CO2 flooding in Low-Permeability Reservoirs. By comparing the T2… read more here.
Keywords: blockage degree; asphaltene precipitation; precipitation; permeability ... See more keywords
Prediction of asphaltene precipitation risk in oil wells using coupled thermohydraulics model
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.04.024
Abstract: Abstract Asphaltene precipitation and deposition is a major flow assurance challenge, which manifests itself in reservoir, production tubing, and flowline and process facility. Asphaltene may precipitate due to two main factors, namely high asphaltene content,… read more here.
Keywords: risk; asphaltene precipitation; precipitation; model ... See more keywords
Supercritical CO2-EOR in an asphaltenic tight sandstone formation and the changes of rock petrophysical properties induced by asphaltene precipitation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106515
Abstract: Abstract This work targeted an asphaltenic tight formation and thoroughly investigated the effectiveness of supercritical CO2 (scCO2) injection in enhancing oil recovery. Particular attention was placed on the changes of rock petrophysical properties induced by… read more here.
Keywords: asphaltene precipitation; supercritical co2; asphaltenic tight; formation ... See more keywords
Full factorial sensitivity analysis of asphaltene precipitation and deposition in CO2 and CH4 coreflooding
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.108098
Abstract: ABSTRACT Modelling of asphaltene precipitation and deposition in petroleum reservoirs requires adjustable parameters and introduces uncertainty sources. To address the main sources of uncertainty, a two-level full factorial sensitivity analysis was applied to asphaltene precipitation… read more here.
Keywords: asphaltene precipitation; precipitation; full factorial; deposition ... See more keywords
Study of Asphaltene Precipitation in Crude Oils at Desalter Conditions by Near-Infrared Spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b00602
Abstract: The asphaltene precipitation and deposition cause severe operational, economic, and environmental problems to the petroleum industry in all of its streams, such as pipe clogging, emulsion stabilization, and incrustation in separators. It is induced by… read more here.
Keywords: desalter conditions; infrared spectroscopy; asphaltene precipitation; near infrared ... See more keywords
High-Pressure Modeling of Asphaltene Precipitation during Oil Depletion Based on the Solid Model
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b00996
Abstract: Asphaltene precipitation is a complex and serious problem in all sectors of the oil industry because it has a severe and detrimental impact on oil production. Thus, it is crucial to investigate under which conditions… read more here.
Keywords: asphaltene precipitation; modeling asphaltene; precipitation oil; solid model ... See more keywords
Modeling of Asphaltene Precipitation in Calculation of Minimum Miscibility Pressure
Sign Up to like & getrecommendations! Published in 2017 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.7b00613
Abstract: An algorithm has been developed to investigate the effect of asphaltene precipitation on calculation of minimum miscibility pressure (MMP), which is one of the key design parameters of any gas injection projects. In fact, this… read more here.
Keywords: asphaltene precipitation; precipitation; calculation; calculation minimum ... See more keywords
Investigating the Performance of Carboxylate-Alumoxane Nanoparticles as a Novel Chemically Functionalized Inhibitor on Asphaltene Precipitation
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c01732
Abstract: In recent years, researchers have attempted to find some practical approaches for asphaltene adsorption and the prevention or postponement of asphaltene precipitation. Among different techniques, nanotechnology has attracted the researchers’ attention to overcome the formation… read more here.
Keywords: carboxylate alumoxane; adsorption; asphaltene precipitation; alumoxane nanoparticles ... See more keywords
Asphaltene Precipitation Prediction during Bitumen Recovery: Experimental Approach versus Population Balance and Connectionist Models
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DOI: 10.1021/acsomega.2c03249
Abstract: Deasphalting bitumen using paraffinic solvent injection is a commonly used technique to reduce both its viscosity and density and ease its flow through pipelines. Common modeling approaches for asphaltene precipitation prediction such as population balance… read more here.
Keywords: asphaltene precipitation; approach; precipitation prediction; model ... See more keywords
Quantification of Methane-Induced Asphaltene Precipitation in a Multiple Contact Process
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DOI: 10.1021/acsomega.2c05480
Abstract: A unique experiment design is proposed to study the asphaltene precipitation caused by multiple contact processes during gas injection. The newly proposed experiment quantified the asphaltene precipitation at different methane contact steps. Twenty times methane… read more here.
Keywords: multiple contact; contact process; asphaltene precipitation; methane ... See more keywords
Detecting high-potential conditions of asphaltene precipitation in oil reservoir
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Dispersion Science and Technology"
DOI: 10.1080/01932691.2017.1373357
Abstract: ABSTRACT Crude oil contains a wide range of components with different chemical natures. Complex molecules consisting of associated groups of polyaromatic sheets and alkyl side chains are known as asphaltene. Asphaltenes are insoluble in solvents… read more here.
Keywords: asphaltene precipitation; precipitation; detecting high; oil ... See more keywords