Effect of CO2-Oil Contact Time On the Swelling Factor and Viscosity of Paraffinic Oil at Reservoir Temperature

Abdurrahman, Muslim and Permadi, Asep Kurnia and Bae, Wisup and Riswati, Shabrina Sri and Dewantoro, Rochvi Agus and Efriza, Ivan and Novriansyah, Adi (2019) Effect of CO2-Oil Contact Time On the Swelling Factor and Viscosity of Paraffinic Oil at Reservoir Temperature. In: 1st Conference of the Arabian Journal of Geosciences, 12-15 November 2018, Arabian Journal of Geosciences.

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Abstract

The objective of this experimental study is to investigate the effect of CO2-oil contact time to oil swelling factor and viscosity. A sample from the central Sumatra basin was utilized in this study, which is categorized into paraffinic oil. The experiment condition follows the reservoir condition, which has a low fracture pressure. Thus, miscible injection scheme is impossible to apply. Therefore, the role of CO2 in reducing oil viscosity and oil swelling is emphasized. The experiments were performed under reservoir temperature by using PVT cell, syringe pump, and HPHT Rheometer. The result from the experiments clearly indicates that oil swelling and viscosity reduction mechanisms are quite effective during 24 h of CO2 injection. Optimum condition is obtained for the sample with 10h of CO2-oil contact-time, where the swelling factor and viscosity reduction still show significant values.

Item Type: Conference or Workshop Item (Paper)
Depositing User: Admin
Date Deposited: 17 Sep 2019 06:40
Last Modified: 17 Sep 2019 12:17
URI: http://repository.uir.ac.id/id/eprint/2347

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