Arafah Lianti, Bunga (2024) Studi Simulasi CO2 Storage Pada Model Depleted Reservoir Gas Di Lapangan Ba. Other thesis, Universitas Islam Riau.

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Abstract

The increase in the atmospheric levels from human activities has become a global concern due to its potential impact on global warming. In the past few decades, emissions from human activities have been increasing. One of the many efforts to control emissions is through Carbon Capture and Storage (CCS) technology. Numerous geological storage and injection projects have been developed worldwide, both on a commercial scale and as pilot projects. Most of these projects are related to large-scale gas exploration plants and enhanced oil recovery (EOR) projects. One geologic structure with prospects for storage is the BA Field, which is a Depleted Gas field. This study aims to evaluate the storage capacity by quantifying in the hydrocarbon reservoir located in the BA Field. The research methodology utilizes a scenario box model using Winprop and CMG-GEM. The calculation and simulation results show a maximum volume that can be injected into the "BA" field of 61 million tons, and the distribution of trapping mechanisms in the BA Field indicates that the Trap with the highest storage capacity over 500 years is Solubility trapping, with a value of 5e+11 mol. The residual trapping is 9e+09 mol, and the last one is Structural trapping stored in critical (mol) at 2.1e+10 mol. As for suggestions for further research, it is recommended to include Mineral Reaction Data to calculate the value of Mineral Trapping and assess the economic comparison of injection scenarios for this project. Additionally, there is a need for a geomechanical study to test the seal or cap rock's integrity of the geological structure and ensure that gas does not breakthrough and is not stored for an extended period of time.

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