Laboratory investigation of asphaltene-induced formation damage
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Exploration and Production Technology"
DOI: 10.1007/s13202-018-0539-z
Abstract: The purpose of this study is to evaluate the degree of formation damage caused by asphaltene deposition in the pore throats in case of oilfield operation. Many wells in the Samara region oilfields are operated… read more here.
Keywords: formation; formation damage; asphaltene deposition; oil ... See more keywords
Mechanistic study to investigate the effects of different gas injection scenarios on the rate of asphaltene deposition: An experimental approach
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116615
Abstract: Asphaltene deposition during enhanced oil recovery (EOR) processes is one of the most problematic challenges in the petroleum industry, potentially resulting in flow blockage. Our understanding of the deposition mechanism with emphasis on the rate… read more here.
Keywords: rate asphaltene; gas; deposition; injection ... See more keywords
Modeling of formation damage due to asphaltene deposition in near wellbore region using a cylindrical compositional simulator
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.10.058
Abstract: Abstract Asphaltene deposition in surface facilities, wellbore and near wellbore region poses a chronic problem during oil production processes. It reduces permeability significantly by blocking pore throats as well as wettability alteration toward oil-wet. In… read more here.
Keywords: asphaltene deposition; near wellbore; wettability alteration; deposition ... See more keywords
Effect of multi-phase flow on asphaltene deposition: Field case application of integrated simulator
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108972
Abstract: Abstract Asphaltene is initially stable in the oil, but when there is a change in pressure, temperature, or composition, particles tend to phase out and form precipitants. Issues arise when those particles diffuse toward the… read more here.
Keywords: asphaltene deposition; field case; simulator; deposition ... See more keywords
Modeling of Asphaltene Deposition Kinetics
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DOI: 10.1021/acs.energyfuels.0c00809
Abstract: Any change in the crude oil system equilibrium causes asphaltene precipitation, aggregation, and finally deposition on rock or pipe surfaces. Treatment cost and production lost time associated with... read more here.
Keywords: deposition; asphaltene deposition; modeling asphaltene; deposition kinetics ... See more keywords
Dynamic Behavior of Asphaltene Deposition and Distribution Pattern in Fractured Porous Media during Hydrocarbon Solvent Injection: Pore-Level Observations
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DOI: 10.1021/acs.energyfuels.7b01347
Abstract: Precipitation and deposition of asphaltene in reservoir rock can cause formation damage and reduce the fluid mobility, resulting in significant loss of hydrocarbon production. A detailed study on asphaltene deposition behavior in porous media improves… read more here.
Keywords: fractured porous; deposition; pore level; porous media ... See more keywords
Systematic Investigation of Asphaltene Deposition in the Wellbore and Near-Wellbore Region of a Deepwater Oil Reservoir under Gas Injection. Part 2: Computational Fluid Dynamics Modeling of Asphaltene Deposition
Sign Up to like & getrecommendations! Published in 2018 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.8b03239
Abstract: Asphaltene deposition during oil production is a major flow assurance problem. The asphaltene deposit layer reduces the pipe cross-section, leading to a significant reduction in the flow rate and eventually plugging the pipeline. This flow… read more here.
Keywords: fluid dynamics; deposition; computational fluid; asphaltene deposition ... See more keywords
Investigation of asphaltene deposition mechanisms during CO2 huff-n-puff injection in Eagle Ford shale
Sign Up to like & getrecommendations! Published in 2017 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2017.1374403
Abstract: ABSTRACT In this study, laboratory tests were conducted to investigate the asphaltene deposition mechanisms during CO2 huff-n-puff injection in an Eagle Ford shale core using Wolfcamp shale oil. The permeability reduction due to asphaltene deposition… read more here.
Keywords: co2 huff; deposition; deposition mechanisms; mechanisms co2 ... See more keywords
Asphaltene deposition and permeability impairment in shale reservoirs during CO2 huff-n-puff EOR process
Sign Up to like & getrecommendations! Published in 2019 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2019.1705855
Abstract: Abstract This study focuses on asphaltene deposition and permeability impairment in shale oil reservoirs during CO2 huff-n-puff process. Four different huff-n-puff cycles, two oil samples and five different injection pressures were applied in this study.… read more here.
Keywords: deposition; huff puff; permeability impairment; deposition permeability ... See more keywords
Asphaltene Deposition during CO2 Flooding in Ultralow Permeability Reservoirs: A Case Study from Changqing Oil Field
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DOI: 10.1155/2021/6626114
Abstract: Asphaltene deposition is a common phenomenon during CO2 flooding in ultralow permeability reservoirs. The deposited asphaltene occupies the pore volume and decreases permeability, resulting in serious formation damage and pore well productivity. It is urgent… read more here.
Keywords: deposition; asphaltene deposition; asphaltene precipitation; permeability ... See more keywords
Comparative Analysis of CO2, N2, and Gas Mixture Injection on Asphaltene Deposition Pressure in Reservoir Conditions
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DOI: 10.3390/en11092483
Abstract: CO2 and N2 injection is an effective enhanced oil recovery technology in the oilfield especially for low-permeability and extra low-permeability reservoirs. However, these processes can induce an asphaltene deposition during oil production. Asphaltene-deposition-induced formation damage… read more here.
Keywords: deposition pressure; deposition; co2; injection ... See more keywords