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All Journal Journal of Petroleum and Geothermal Technology
Anisa Novia Risky
Department of Petroleum Engineering, Universitas Pembangunan Nasional "Veteran" Yogyakarta
Earth & Planetary Sciences Energy Engineering

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Optimization of Cyclic Steam Stimulation Process Using Response Surface Methodology Suranto A.M.; Eko Widi Pramudiohadi; Anisa Novia Risky
Journal of Petroleum and Geothermal Technology Vol 2, No 1 (2021): May
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jpgt.v2i1.4684

Abstract

Heavy oil has characteristics such as API gravity 10-20 and high viscosity (100-10,000 cp) at reservoir temperature. Several methods have been successfully applied to produce these reserves, such as cyclic steam stimulation (CSS). Cyclic steam stimulation is a thermal injection method that aims to heat the oil around production wells. This paper presents the investigation regarding CSS application in heavy oil using Response Surface Methodology. Several scenarios were done by varying the operating conditions to obtain the most realistic results and also evaluating the factors that most influence the success of CSS process. Optimization is performed to find the maximum recovery factor (RF) value and minimum steam oil cumulative ratio (CSOR). The operating parameters used are CSS cycle, steam injection rate, and steam quality. Then statistical modeling is carried out to test the most important parameters affecting RF and CSOR for 10 years. The simulation results show that the CSS cycle, steam injection rate, and steam quality affect the RF and CSOR. The maximum RF results with the minimum CSOR were obtained at 39 cycles, an injection rate of 300 bbl/day, and a steam quality of 0.9 with an RF and CSOR value is 24.102% and 3.5129 respectively.
Co-Authors Eko Widi Pramudiohadi Suranto A.M.