COMPREHENSIVE ANALYSIS OF CO2 INJECTION AND STORAGE ASSESSMENT IN GAS CARBONATE RESERVOIR

• Main Author: Zulfan, Ahmad
• Format: Final Project
• Language: Indonesia
• Subjects: Teknik (Rekayasa, enjinering dan kegiatan berkaitan)
• Online Access: https://digilib.itb.ac.id/gdl/view/77234
• Institution: Institut Teknologi Bandung

The Ganesha field, a depleted gas reservoir, has emerged as a potential candidate for CO2 sequestration. A thorough 3D simulation analysis was conducted to assess storage capacity, optimize CO2 injection, and evaluate trapping mechanisms. Additionally, a CO2 breakthrough study delved into the phenomenon within the reservoir. Utilizing a compositional reservoir model, the study encompassed well-by-well assessments, investigating parameter sensitivities and simulating injection scenarios. The analysis covered well injectivity, pressure connections, CO2 breakthrough, plume migration, and local grid refinement effects. CO2's behaviour as an independent component was monitored throughout the process. Comprehensive investigations unveiled multiple trapping mechanisms, including structural, residual, and solubility trapping. Different CO2 injection cases revealed optimal locations and effective trapping mechanisms for long-term storage. Over a 100-year span, the study found the hydrocarbon zone to be the most productive for carbon storage, with the injection-only mode offering the highest storage capacity.