Pradinata, Rudiat (2023) Analisis Penentuan Splitting Produksi Untuk Menentukan Kinerja Reservoir Menggunakan Metode Material Balance Pada Reservoir Multilayer Di Lapangan “r”. Other thesis, Fakultas Teknik Perminyakan.

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Abstract

As time goes by, the production of a field must experience a decrease in pressure, this is due to the dynamic condition of the reservoir. Therefore, it is necessary to carry out a production separation analysis to find out how much is allocated from each layer, reservoir performance, and future reservoir performance from a field. Field R is an oil field in which there is one production well in which there are 4 reservoir layers which are produced comminglely. Field reservoir R has a driving force, namely the Water Drive for field R oil reserves is 0.02 MMSTB for Layer_#01, 0.1 MMSTB for Layer_#02, 0.05 MMSTB for Layer_#03 and 0.15 MMSTB for Layer_#04. Based on production data and field reservoir data R, the authors calculated production allocation, reservoir performance and reservoir performance forecasting. Calculation results for production allocation for case 50 wells, namely: Layer_#01 12%, Layer_#02 54%, Layer_#03 14% and Layer_#04 20%. Based on the calculations made for the largest contribution in the case 50 well, namely Layer_#02 of 54% while for the lowest contribution, namely Layer_#01 of 12%. Field R productivity results in Recovery Factor and cumulative oil production which continues to increase until 2031 for Cumulative 0,0019 MMSTB for layer_#01, 0,011 MMSTB for Layer_#02, 0,0028 MMSTB for Layer_#03, 0,011 MMSTB for Layer_#04. for the recovery factor value for layer_#01 is 7.3%, layer_#02 is 7.5%, layer_#03 is 5.3% and for layer_#04 is 6.2%.

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