#TITLE_ALTERNATIVE#

• Main Author: ARFAN PRATAMA (NIM : 12211033), MUHAMMAD
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/29135
• Institution: Institut Teknologi Bandung

Mature field development become attractive topic recently because of oil production and gas in the world are still depend on mature field. Decreasing of the reservoir pressure when reach dew point in gas condensate reservoir cause a most of the gas turn into liquid. The appearance of condensate will inhibit gas flow into the surface. This study will optimize the NPV of mature field with IAM (Integrated Asset modelling) method at gas recycling case in condensate retrograde reservoir. Moreover, author tried to know relationship between NPV with location of well which involves characteristic of reservoir such as permeability, porosity, and saturation. Assumption on this research which is no relative permeability change during develop mature field . This study will processing gas condensate with multistage separation . Surface facilities which used in this study such as separator high pressure, separator medium pressure , separator low pressure , stock tank, dan NGL splitter. The product of this surface facilities such as sales gas, condensate and NGL .NPV will used as economic parameter in this study to develop condensate mature field. This study will evaluate the best scenario to develop mature field condensate from around 10th year when the field reach mature until 20th year when the end of contract . Development scenario of mature field involve about location of infill drilling well and gas injection well, quantity infill drilling and injection, gas fraction and injector bottomhole pressure and combination of them. From this selected study, it can be concluded that mature periode with gas recycling has greater NPV than infill drliing scenario . With sensitivity analysis can be inferred that the optimum NPV is reached with one injection well and fraction of injection gas is 1 with rate of injection 6200 MSCFD.The best scenario in this selected study is scenario with used of optimization by Nelder Mead Simplex Reflection method which involve fraction of injection gas, location of injection well, and bottomhole.