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The Experimental Study for Elimination of Asphaltene Precipitation in Porous Media in Solvent Injection Treatment: Based on the Appropriate Solvent Selection CriteriaNormal access

Authors: J. Taheri-Shakib, E. Kazemzadeh, M. Rajabi-Kochi, H. Naderi, Y. Salimidelshad and A. Shekarifard
Event name: Saint Petersburg 2018
Session: Field Development, EOR, Monitoring and Production of Hydrocarbons
Publication date: 09 April 2018
DOI: 10.3997/2214-4609.201800146
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.52Mb )
Price: € 20

Summary:
mproved permeability, the elements of nitrogen (N) and sulfur (S) remained in the porous media in place of the removed asphaltenes. In contrast, only small amounts of nitrogen remained with the DCM solvent. With CF, all three non-hydrocarbon polar elements – S, N and oxygen (O) – were present. Since the presence of these compounds in porous media causes more asphaltene to precipitate and form deposits, DCM is very suitable for this type of oil and rock according to the type of asphaltene.


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