A New Approach to Simultaneously Enhancing Heavy Oil Recovery and Hindering Asphaltene Precipitation

Publish Year: 1391
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IJOGST-1-1_004

تاریخ نمایه سازی: 18 اسفند 1397

Abstract:

A new chemical compound is developed at Petroleum University of Technology to enhance therecovery of the free imbibition process and simultaneously hinder asphaltene precipitation. Thecompound is tested on heavy oil samples from Marun oil field, Bangestan reservoir. The effects ofthe chemical compound on viscosity, hydrocarbon composition, and average molecular weight ofthe heavy oil are investigated. It is found that the substance dramatically reduces oil viscosity andmolecular weight and hinders the precipitation of asphaltene in the heavy oil. The results of freeimbibition tests demonstrate a significant recovery enhancement after oil reacts with the compoundand is used in water in an Amott cell. Finally, the new chemical compound causes a significantreduction in surface tension and contact angle. This is verified by the molecular analysis of heavy oilafter reacting with this ionic compound.

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Authors

E Joonaki

Ahwaz Faculty of Petroleum, Petroleum University of Technology, Ahwaz, Iran

Sh Ghanaatian

Ahwaz Faculty of Petroleum, Petroleum University of Technology, Ahwaz, Iran

Gh Zargar

Ahwaz Faculty of Petroleum, Petroleum University of Technology, Ahwaz, Iran