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All Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat Frontier Advances in Applied Science and Engineering
Gustama, Muhammad Agni
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Other

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 1 
Analysis of Viscosity Effects from the Addition of Mesona Palustris (Black Grass Jelly) on Chitosan Polymer Mohamad Obby Adianto; Muhammad Agni Gustama; Ferdian Budi Ar Rouf; Nyimas Ulfatry Utami; Robekca Purba
Frontier Advances in Applied Science and Engineering Vol. 3 No. 1 (2025)
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/faase.v3i1.555

Abstract

The main purpose of polymer injection is to reduce the water-oil mobility ratio. Polymers that are widely used are polyacrylamide and polysaccaharides. By increasing the viscosity of the injection fluid, polymer injection can increase the sweep efficiency thereby increasing oil recovery. Refining on petroleum is highly dependent on the efficiency of macroscopic and microscopic pressing. This research purpose is to determine whether the viscosity effect resulted from mesona palustris addition on chitosan polymers could make a good viscosity for oil recovery. The method used in this research is a laboratory experiment with an Ostwald viscometer. The salinity of the formation water used in this study was 20.000 ppm with variations in polymer concentrations of 500 ppm, 1.000 ppm, and 2.000 ppm on the polymer without a mixture of mesona palustris and with a mixture of mesona palustris. The results showed that there was a decrease in polymer viscosity with the addition of mesona palustris to the chitosan polymer, namely the polymer concentration of 500 ppm decreased from 1,56 cp to 1,04 cp, the polymer concentration of 1.000 ppm decreased from 1.87 cp to 1.21 cp. And at a polymer concentration of 2.000 ppm it decreased from 2.38 cp to 1.43 cp.
Analisis Kesesuaian Penggunaan Lahan dengan Rencana Pola Ruang di Kabupaten Ogan Ilir Ar-Rouf, Ferdian Budi; Adianto, Muhammad Obby; Gustama, Muhammad Agni; Utami, Nyimas Ulfatry
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1732

Abstract

Abstract Ogan Ilir Regency is included in the development program as a buffer zone for Palembang City, which is part of the Sriwijaya Megaregion, due to its distance of approximately 35 km. Ogan Ilir Regency has established a Spatial Planning (RTRW) Plan for 2023–2024. This RTRW serves as the basis for policy direction and the development of urban areas. Therefore, research on spatial analysis is necessary to evaluate existing development. This study uses descriptive analysis with a spatial approach, namely a Geographic Information System (GIS). The software used is QGIS, which is open-source. The data sources include Sentinel satellite imagery and the Spatial Planning Map of Ogan Ilir Regency. The analysis applies supervised classification to identify existing land use. The results show that 11,461.4 hectares of land use are not in accordance with the Ogan Ilir RTRW. The largest area of inconsistency is found in North Indralaya District, which is planned as an urban area but is still predominantly used for oil palm agricultural land.
Interpretasi Sistem Panas Bumi Suwawa Berdasarkan Sudut Pandang Tektonik Dan Anomali Gravitasi Gustama, Muhammad Agni; Ar Rouf, Ferdian Budi; Adianto, Mohamad Obby
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1719

Abstract

The Suwawa geothermal prospect is one of the areas officially designated as a Geothermal Working Area (WKP) in Gorontalo Province, Indonesia. Despite its WKP status, the Suwawa geothermal prospect has not been comprehensively studied from a regional perspective. Previous studies have not conclusively explained the geothermal heat source and the controlling tectonic framework within the Suwawa WKP. Understanding the heat source and tectonic conditions is essential for the effective development of a geothermal working area. This paper applies seismic tomography and satellite gravity methods to elucidate the characteristics of the geothermal system in the Suwawa WKP. Seismic tomography is employed to interpret large-scale tectonic correlations, while satellite gravity data are utilized to assist in identifying potential geothermal heat sources. The seismic tomography results indicate that the tectonic setting influencing the Suwawa WKP is associated with an extensional zone in Teluk Gorontalo. Meanwhile, satellite gravity anomalies suggest that the geothermal heat source in the Suwawa WKP is likely related to a basin structure. These findings imply that the geothermal system in the Suwawa WKP is associated with lithospheric thinning processes.
Interpretasi Biomarker dan Korelasi Minyak-Batuan Induk pada Sumur TNG-1, Cekungan Sumatra Tengah Afifah, Putri Dwi; Gustama, Muhammad Agni; Komari, Sri Desdita; Lusitania; Rus, Aisyah Minzikrina Masbar; Atmoko, Widi
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1742

Abstract

This study interprets biomarker characteristics and evaluates the genetic relationship between oil samples and potential source rocks from the TNG-1 well in the Cekungan Sumatra Tengah. The analysis was conducted using oil and rock geochemical parameters, n-alkane chromatograms, terpene and sterane distributions, as well as sterane ternary plots (C₂₇–C₂₈–C₂₉). The results indicate that oil samples at intervals of 5238–5277 ft, 5246–5248 ft, and 5266–5268 ft exhibit consistent geochemical characteristics and suggest thermal maturity within the early to mid-mature oil window. In contrast, rock samples at intervals of 4814 ft, 5046 ft, and 5151 ft show immature characteristics, indicated by CPI > 1.0, high Pr/nC₁₇ ratios, and n-alkane distributions biased toward long-chain compounds. Biomarker analysis reveals similarities in n-alkane distribution patterns, isoprenoid ratios, and C₂₇–C₂₈–C₂₉ sterane compositions between oil and source rock samples, indicating a strong genetic relationship. Sterane compositional correlation suggests that most samples, both oil and rock, originated from shallow lacustrine to estuarine depositional environments with significant higher-plant input. Overall, the oil samples show a strong correlation with the source rock at the 5151 ft interval based on the consistency of n-alkane, hopane, and sterane patterns.
Implementasi Kegiatan Pengabdian Masyarakat dalam Pembentukan Migas Center Universitas Sriwijaya Adianto, Mohamad Obby; Gustama, Muhammad Agni; Ar-rouf, Ferdian Budi; Utami, Nyimas Ulfatry; Afifah, Putri Dwi
Al-DYAS Vol 5 No 1 (2026): FEBRUARI
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/aldyas.v5i1.9204

Abstract

The oil and gas sector is one of the main pillars of the national economy and is currently facing the challenge of declining production, making the enhancement of human resource (HR) quality in the upstream oil and gas industry a strategic necessity. The core problem lies in the absence of optimal synergy between the oil and gas industry and the education sector, as reflected in the mismatch between higher education graduates’ competencies and industry needs, including in the South Sumatra Region (Sumatera Bagian Selatan, Sumbagsel), which comprises South Sumatra, Jambi, Bengkulu, and Bangka Belitung Provinces. This study aims to describe the establishment and role of Migas Center UNSRI as a form of community service in improving oil and gas HR competencies in the Sumbagsel region through collaboration between Universitas Sriwijaya and SKK Migas Sumbagsel. A descriptive qualitative approach was employed to examine the implementation of community empowerment policies and the mapping of upstream oil and gas industry needs at the regional level. The findings show that the collaboration between Universitas Sriwijaya and SKK Migas Sumbagsel resulted in an agreement to establish Migas Center UNSRI as a center for research and training in oil and gas management in South Sumatra. The existence of Migas Center provides the education sector with a clearer picture of industry requirements, including the importance of establishing study centers and certification bodies located in Sumbagsel so that companies do not have to rely on facilities in Java. Conceptually, Migas Center UNSRI is positioned as the forerunner of the establishment of a Petroleum Engineering Department at Universitas Sriwijaya as well as an instrument for strengthening the capacity of local human resources in the oil and gas sector.
Co-Authors Adianto, Mohamad Obby Adianto, Muhammad Obby Afifah, Putri Dwi Ar Rouf, Ferdian Budi Ar-rouf, Ferdian Budi Komari, Sri Desdita Lusitania, Lusitania Mohamad Obby Adianto Nyimas Ulfatry Utami Robekca Purba Rus, Aisyah Minzikrina Masbar Utami, Nyimas Ulfatry Widi Atmoko