[This article belongs to Volume - 56, Issue - 02]
Gongcheng Kexue Yu Jishu/Advanced Engineering Science
Journal ID : AES-11-03-2024-679

Title : Coiled Tubing Asphaltene Inhibitor Squeeze Program Evaluation for Production Optimization of High Gas Oil Ratio Wells: Case Study in HPS Field
Dedy Kristanto, Nur Suhascaryo, Hanung Prima Senowibowo, Luky Agung Yusgiantoro,

Abstract : Asphaltene deposition in a reservoir or a production tubing is a formation damage issue that could occur at the primary recovery of the oil reservoir. The problem leads to a decline in oil production, which also occurs in high gas oil ratio (GOR) wells H-01, H-02, and H-03 of the HPS Field. An advanced coiled tubing asphaltene inhibitor (AI) squeeze program was designed to solve the problem. This paper is focused on evaluating the success of the AI program in delaying scale deposition and increasing oil production. The methodology of this paper begins with data preparation on production performance data, well data, reservoir fluid data, and the AI program data. The remaining reserve evaluation is done to make sure the AI program will provide an optimal result in the gain production. The asphaltene problem identification was carried out by evaluating the production performance and the fluid sample analysis of the gauge cutter slickline. The evaluation of the success of the asphaltene inhibitor program is reviewed from two aspects: technical (asphaltene deposition removal) and production (increasing oil production). The main results shows that the AI program in wells H-01, H-02, and H-03 of the HPS Field has successfully removed asphaltene deposition and increased the oil production with an average 72.02% improvement on decline rate and the average 5.09 on oil rate fold of increase (FOI).