Syarizal Fonna, Intan Nabilla, Israr B. M. Ibrahim, Nurdin Ali, Syifaul Huzni, Ramzi Adriman
Corrosion of underground pipelines within the oil and gas industry has high potential to cause structural failure and environmental contamination, necessitating an effective protection system such as Sacrificial Anode Cathodic Protection (SACP). This study aims to design and simulate a cathodic protection system using numerical simulation to evaluate its effectiveness in mitigating corrosion. A finite element method-based simulation was conducted to analyze the potential distribution and current density on pipelines with both linear anode configurations and a staggered configuration. The simulation results indicate that both configurations meet the protection criteria set by NACE SP-0169, with potential values more negative than-850 mV (vs Cu/CuSO4 RE). The staggered configuration exhibited a more uniform potential distribution, ranging from-1032.11 mV to-978.5 mV, compared to the linear configuration, which ranged from-1006.8 mV to-937.6 mV. However, the staggered configuration resulted in higher anode consumption due to increased current density (0.02 to 0.111 A/m²) compared to the linear configuration (0.02 to 0.098 A/m²). While the empirical linear configuration is simpler and requires less anode consumption, its current distribution is less optimal. In contrast, the staggered configuration provides more uniform and effective corrosion protection. © 2026, Politechnika Lubelska. All rights reserved.
Department of Mechanical and Industrial Engineering, Universitas Syiah Kuala, Darussalam, Banda Aceh, 23111, Indonesia; Department of Electrical and Computer Engineering, Universitas Syiah Kuala, Darussalam, Banda Aceh, 23111, Indonesia
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