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All Journal Journal Research of Social Science, Economics, and Management Warta Bumi Teknika : Jurnal Pengabdian Masyarakat
Reis, Julieta Da Silva Dos
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science

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Initial Gas Reserve Estimation For Wells W-1, W-1A, and W-2 Based on Well Log Data in the Wailawi Field, East Kalimantan Reis, Julieta Da Silva Dos
Journal Research of Social Science, Economics, and Management Vol. 5 No. 5 (2025): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v5i5.1221

Abstract

The Wailawi Field, located in East Kalimantan, is a mature oil and gas field that still holds potential hydrocarbon reserves despite experiencing a decline in production. This study aims to evaluate the remaining hydrocarbon reserves in Well X based on well log data to assess the potential for field redevelopment. The methods used include qualitative and quantitative petrophysical analyses using gamma ray, resistivity, neutron, and density logs, which are then integrated with volumetric calculations to determine the Original Gas in Place (OGIP), Recoverable Reserves (Rtotal), and Remaining Reserves (RR). The petrophysical analysis results show that Well Wailawi-1 has an average porosity of 0.16 and a water saturation of 0.77; Well Wailawi-1A has a porosity of 0.16 and water saturation of 0.61; and Well Wailawi-2 has a porosity of 0.18 and water saturation of 0.64. High porosity and low water saturation values indicate good reservoir quality for hydrocarbon accumulation. Based on volumetric calculations, the OGIP values obtained are 92.06 BSCF for Well W-1, 15,552,989,133 MSCF for Well W-1A, and 58,545,637,822 MSCF for Well W-2. With a recovery factor of 85%, the total recoverable reserves (Rtotal) reach 78,250,771,653 MSCF, with cumulative production (Np) of 23,210,000,000 MSCF, resulting in remaining gas reserves (RR) of 55,040,771,653 MSCF. These results indicate that the Wailawi Field still possesses economically viable hydrocarbon reserves that can be developed through workover operations, infill drilling, and optimization of productive zones.
Pengenalan computer modelling group untuk simulasi reservoir bagi mahasiswa teknik perminyakan angkatan 2022 Universidade Oriental Timor Lorosae Riswan, Riswan; Reis, Julieta Da Silva Dos
Jurnal Warta Bumi Teknika Vol 1, No 01 (2026): Jurnal Pengabdian Masyarakat Warta Bumi Teknika Volume 01 Nomor 01 April 2026
Publisher : Department of Geological Engineering, Faculty of Engineering, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/wbt.v1i01.17952

Abstract

Pemanfaatan teknologi simulasi reservoir menjadi aspek penting dalam industri perminyakan untuk meningkatkan pemahaman tentang dinamika fluida di dalam reservoir. Salah satu perangkat lunak yang banyak digunakan adalah Computer Modelling Group (CMG), yang menawarkan berbagai fitur untuk pemodelan reservoir. Kegiatan pengenalan CMG ini dilaksanakan pada 1–5 April 2024 di Universidade Oriental Timor Lorosae, Timor-Leste, dengan tujuan memberikan pemahaman dasar kepada mahasiswa Teknik Perminyakan angkatan 2022 mengenai konsep dan aplikasi simulasi reservoir. Pelatihan berlangsung di laboratorium komputer Fakultas Teknik, yang telah dilengkapi dengan perangkat keras dan lunak pendukung. Peserta telah memiliki dasar pengetahuan tentang teknik reservoir, sehingga pelatihan ini berfokus pada implementasi teori dalam simulasi menggunakan CMG. Kegiatan ini dipandu oleh instruktur dari Universitas Lambung Mangkurat yang memberikan materi secara online. Metode pembelajaran yang diterapkan mencakup pemaparan teori, demonstrasi perangkat lunak, serta latihan praktik mandiri. Hasil dari kegiatan ini menunjukkan peningkatan pemahaman mahasiswa terhadap konsep simulasi reservoir, termasuk penggunaan model numerik dalam analisis performa reservoir. Dengan adanya pelatihan ini, diharapkan mahasiswa mampu menerapkan teknik simulasi dalam kajian akademik maupun penelitian lebih lanjut di bidang teknik perminyakan.
Co-Authors Riswan Riswan