Minimum Miscibility Pressure Estimation Through Interfacial Tension Test Using Pendant Drop Method / Estimasi Tekanan Tercampur Minimum Melalui Pengukuran Tegangan Antar Muka Menggunakan Metode Pendant Drop

Abdurrahman, Muslim and Permadi, A.K. (2016) Minimum Miscibility Pressure Estimation Through Interfacial Tension Test Using Pendant Drop Method / Estimasi Tekanan Tercampur Minimum Melalui Pengukuran Tegangan Antar Muka Menggunakan Metode Pendant Drop. Jurnal Teknologi Minyak dan Gas Bumi, 11 (2). pp. 111-118. ISSN 0216-6410

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Abstract

Minimum miscibility pressure (MMP) determination is an important factor for a successful CO2 injection plan in order to obtain maximum oil recovery from a field or reservoir. The method of slim tube test has been used and well accepted by industry for determining the MMP. However, the method still has some limitations in nature; for example it requires much time and samples to obtain the required MMP. This study is aimed to estimate the MMP through an interfacial tension (IFT) test by using the method of pendant drop. The method is relatively quicker and requires less samples compared to those required by the slim tube test. In this study, two samples were used namely Sample A and Sample B where Sample A has higher API gravity. The result shows that the MMP for Sample A was obtained as 1611 psia and 1777 psia at the temperature of 60oC and 66oC, respectively. Meanwhile, for Sample B it was obtained as 1918 psia and 2072 psia for the same temperatures used for Sample A, respectively. The API gravity affects the MMP significantly. The higher the API gravity the lower the MMP and vice versa. In this case, the API gravity makes the CO2 to dissolve and be miscible with oil more easily. The estimation of MMP through an interfacial tension test using pendant drop method provides advantages because it saves time, use less samples, and requires less cost.

Item Type: Article
Depositing User: Admin
Date Deposited: 17 Sep 2019 06:00
Last Modified: 17 Sep 2019 10:33
URI: http://repository.uir.ac.id/id/eprint/2335

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