Production Optimization for Plan of Gas Field Development Using Marginal Cost Analysis

Authors

Suprapto Soemardan, Chemical Engineering Department, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
Widodo Wahyu Purwanto, Chemical Engineering Department, Faculty of Engineering, Universitas Indonesia, Depok 16424, IndonesiaFollow
Arsegianto Arsegianto, Petroleum Engineering Study Program, Institut Teknologi Bandung, Bandung 40116, Indonesia

Abstract

Gas production rate is one of the most important variables affecting the feasibility plan of gas field development. It take into account reservoir characteristics, gas reserves, number of wells, production facilities, government take and market conditions. In this research, a mathematical model of gas production optimization has been developed using marginal cost analysis in determining the optimum gas production rate for economic profit, by employing the case study of Matindok Field. The results show that the optimum gas production rate is mainly affected by gas price duration and time of gas delivery. When the price of gas increases, the optimum gas production rate will increase, and then it will become closer to the maximum production rate of the reservoir. Increasing the duration time of gas delivery will reduce the optimum gas production rate and increase maximum profit non-linearly.

Bahasa Abstract

Optimisasi Produksi untuk Perencanaan Pengembangan Lapangan Gas dengan Analisis Biaya Marginal. Laju produksi merupakan salah satu variabel penting yang mempengaruhi kelayakan perencanaan pengembangan lapangan gas berdasarkan atas karakteristik reservoir, jumlah sumur, fasilitas produksi, kondisi pasar dan memenuhi porsi penerimaan pemerintah. Dalam penelitian ini suatu model matematika optimisasi produksi gas dikembangkan untuk menentukan laju produksi gas optimum berdasarkan pendekatan analisis biaya marginal yang mengacu pada keuntungan ekonomi, khususnya untuk kasus kajian di lapangan gas Matindok.. Hasil penelitian memperlihatkan bahwa laju produksi gas optimum sangat tergantung harga gas dan durasi lamanya pengiriman gas. Ketika harga gas naik, laju produksi gas optimum akan naik dan mendekati laju produksi maksimum reservoir. Peningkatan durasi pengiriman gas akan menurunkan laju produksi gas optimum dan meningkatkan keuntungan maksimumnya secara nonlinear.

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Recommended Citation

Soemardan, Suprapto; Purwanto, Widodo Wahyu; and Arsegianto, Arsegianto (2013) "Production Optimization for Plan of Gas Field Development Using Marginal Cost Analysis," Makara Journal of Technology: Vol. 17: Iss. 2, Article 9.
DOI: 10.7454/mst.v17i2.1953
Available at: https://scholarhub.ui.ac.id/mjt/vol17/iss2/9