Characterization of asphaltene deposition in a stainless steel tube

Arsalan, Naveed; Palayangoda, Sujeewa S.; Nguyen, Quoc P.

doi:10.1016/j.petrol.2014.06.008

Cited by 19 publications

(13 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Deposition process of asphaltene is often accompanied by significant erosion induced by the dominance of shear force on the deposition. [6] This result also shows the effect of shear forces on the asphaltene deposition and this range of shear rate is within the shear limited regime.…”

Section: Fig 9 Calculated Thickness Versus Measured Thicknesssupporting

confidence: 55%

“…In previous experimental studies, both stainless steel capillary tubes [6][7][8][9][10] and transparent glass capillary tubes or micro-channels [11][12][13][14][15][16][17][18][19][20] have been largely employed to visualize the process of asphaltene deposition. A detailed summary of experimental conditions has been presented in our previous study.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Experimental study of asphaltene deposition in transparent microchannels using the light absorption method

Zhuang

Goharzadeh

Lin

et al. 2017

Journal of Dispersion Science and Technology

View full text Add to dashboard Cite

Correlation between deposition thickness and normalized light absorption Heptane-induced asphaltene precipitation from crude oil and its deposition in a vertical transparent microchannel is investigated. The amount of asphaltene deposited on a transparent channel wall is quantified using a non-intrusive flow visualization technique based on reflected light intensity and image analysis. Asphaltene deposits strongly affect the reflected light intensity through the change of mixture color in the recorded images. An empirical equation is developed to correlate the intensity of the light absorption to the thickness of the deposited asphaltene in a transparent microchannel. Non-uniform deposition along the longitudinal direction of the microchannel is also characterized.

show abstract

Section: Fig 9 Calculated Thickness Versus Measured Thicknesssupporting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Experimental study of asphaltene deposition in transparent microchannels using the light absorption method

Zhuang

Goharzadeh

Lin

et al. 2017

Journal of Dispersion Science and Technology

View full text Add to dashboard Cite

show abstract

“…Understanding the nature of these deposits and their interaction with the relevant surfaces is the rst step towards being able to mitigate against them. A wide variety of characterisation techniques have been employed in recent years [1][2][3][4][5][6][7][8][9] to explore these deposits including electron microscopy and spectroscopy, infra-red spectroscopy, QCM and AFM.…”

Section: Introductionmentioning

confidence: 99%

On the use of nanomechanical atomic force microscopy to characterise oil-exposed surfaces

2018

View full text Add to dashboard Cite

show abstract

“…It is observed that the asphaltene deposition is a transient process. It is usually characterized by cycles of initial deposition followed by rapid incomplete erosion (Arsalan et al 2014). In a dynamic deposition process in the well string, in addition to the effect of change in pressure, temperature, and composition, shear on the wall has a great impact on the asphaltene deposition.…”

Section: Asphaltene Characteristicsmentioning

confidence: 99%

Analysis of asphaltene deposition in Marrat oil well string: a new approach

Kargarpour

Dandekar

2015

J Petrol Explor Prod Technol

View full text Add to dashboard Cite

The amount of asphaltene is usually the minimum portion of crude constituents; however, due to its negative impact on the well performance and the overall efficiency of oil reservoir management, a large number of mostly academic studies are directed toward understanding the asphaltene behavior and mitigation of its deposition in flow processes from reservoir to process facilities. Typically, a small number of these are actual case studies. Among them is the asphaltene deposition in Marrat oil well string. In this particular case, significant amount of valuable field data were gathered for a long period of time under controlled conditions. By carefully reviewing the presented data in the original paper, we concluded that reanalysis of the field observation results, for improved understanding of the asphaltene deposition process, is necessary. By recalling the concept of liquid loading in the gas wells, the reduction of flowing well head pressure is interpreted due to the left asphaltene solid micelles in the well string. Also, we judge that the process of asphaltene deposition in the production tubing is a 'seating and carving' dynamic process, and at a critical thickness, the amount of asphaltene 'cutting' increases which is responsible for further pressure drop in the well tubing. By performing fundamentally simple calculations, the amount of asphaltene 'left' in tubing and the amount of asphaltene 'cutting' are computed. Also the minimum oil flow rate to handle and remove the asphaltene micelles is estimated in the Marrat case. Finally, we propose certain recommendations for future data gathering and optimum handling operation of asphaltene precipitation and deposition in well string.

show abstract

Characterization of asphaltene deposition in a stainless steel tube

Cited by 19 publications

References 22 publications

Experimental study of asphaltene deposition in transparent microchannels using the light absorption method

Experimental study of asphaltene deposition in transparent microchannels using the light absorption method

On the use of nanomechanical atomic force microscopy to characterise oil-exposed surfaces

Analysis of asphaltene deposition in Marrat oil well string: a new approach

Contact Info

Product

Resources

About