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Title

Experimental calculation of permeability reduction of porous medium by asphaltene precipitation in crude oil systems

Year: 1387
COI: NICEC12_790
Language: EnglishView: 1,668
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Authors

Abbas Khaksar Manshad - Oil and Gas Center of Excellence, Department of Chemical Engineering, University of Tehran, Tehran, Iran
Siavash Ashoori - Department of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran
Mohsen Edalat - Oil and Gas Center of Excellence, Department of Chemical Engineering, University of Tehran,Tehran,
Gholamhossein Montazeri - Oil and Gas Center of Excellence, Department of Chemical Engineering, University of Tehran, Tehran

Abstract:

In this work, we prepared the data of the permeability reduction by asphaltene precipitation in porous medium and precipitation and re-dissolution of asphaltenes were studied for an Iranian relatively heavy crude oil system. A series of experiments were designed and carried out to quantitatively obtain the permeability reduction in slim tube porous media and examine the amount and reversibility of asphaltenes precipitation upon the change in the solvent concentration along with the temperature. Experiments were conducted in both porous and non-porous media. As a porous medium, a slim tube apparatus was used which is a one- dimensional model reservoir. Generally, with these experiments obtained the amount of permeability reduction in porous medium and also showed that the precipitation is completely reversible for oil under study upon both composition and temperature changes. n-Heptane was used as the precipitant, and a temperature range of 30 to 70°C was applied to perform the temperature effect tests.

Paper COI Code

This Paper COI Code is NICEC12_790. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/58481/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Khaksar Manshad, Abbas and Ashoori, Siavash and Edalat, Mohsen and Montazeri, Gholamhossein,1387,Experimental calculation of permeability reduction of porous medium by asphaltene precipitation in crude oil systems,12th National Iranian Chemical Engineering Congress ,Tabriz,,,https://civilica.com/doc/58481

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  • Speight, J. G., ،The Chemistry and Technology of Petroleum', Marcel ...
  • Spiecker, P. M.; Gawrys, L.; Kilpatrick, P. K. Aggregation and ...
  • (12) Cimino, R.; Correra, S.; Bianco, A. D.; Lockhart, T. ...
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