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LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI (LPMGB)
Published by LEMIGAS
ISSN : 20893396     EISSN : 25980300     DOI : DOI: https://doi.org/10.29017/LPMGB.60.1.2018
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LPMGB aims the dissemination of information on research activities, technology engineering development and laboratory testing in the oil and gas field. Manuscripts in English are accepted from all in any institutions, college and industry oil and gas throughout the country and overseas.
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Articles 588 Documents
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Penentuan Kompatibilitas Air Injeksi Skala Laboratorium pada Batuan Reservoar Untuk Struktur LT, Lapangan L Rosidelly
Lembaran publikasi minyak dan gas bumi Vol 59 No 3 (2025)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.59.3.1918

Abstract

Sebelum penerapan injeksi air ke dalam suatu reservoar untuk struktur LT lapangan L, sangat penting melakukan studi laboratorium. Tinggi atau rendahnya faktor perolehan minyak dengan metoda injeksi air (water flooding), tidak hanya dipengaruhi oleh kualitas air, tetapi juga dipengaruhi oleh faktor kompatibilitas air injeksi terhadap batuan. Penelitian ini difokuskan terhadap penentuan uji kompatibilitas air injeksi terhadap batuan dengan menggunakan 3 sampel core plug yaitu : L1A, L1B dan L1C. Untuk lapangan minyak struktur LT, untuk pertama, air formasi vs air injeksi sebelum treatment dengan menggunakan sampel core plug L1A. Kedua, air formasi vs air injeksi (mengandung all chemicals) dengan menggunakan sampel core plug L1C. Ketiga, air formasi vs filtrat air injeksi setelah filtrasi melewati filter media anthracite dengan menggunakan sampel core plug L1B. Perbedaan liquid permeability KW2 air formasi dan KW2 air injeksi adalah sekitar 26,10 % pada kondisi sampel core plug L1A, 8,97 % pada L1C dan 36,40 % pada L1B. Pada akhir masing-masing test reversed liquid permeability menunjukkan permeabilitas naik, menunjukkan terjadinya fine migration. Dari hasil uji kompatibilitas air terhadap batuan (WRC tests) untuk tiga air injeksi yang digunakan. Air injeksi (mengandung all chemicals) memperlihatkan penurunan liquid permeability lebih rendah sekitar 8,97 % dan air injeksi tersebut menunjukkan lebih kompatibel terhadap batuan reservoar.
LITERATURE REVIEW : PRAKTIK COST RECOVERY DALAM KONTRAK BAGI HASIL (PRODUCTION SHARING CONTRACT) UNTUK SEKTOR MIGAS DI INDONESIA M. Reza Kurniawan; Adi Perkasa Yudha; Feby Salsabilla; Mozza Ramadhani Putri Evaldi
Lembaran publikasi minyak dan gas bumi Vol 60 No 1 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/lpmgb.60.1.1963

Abstract

This study examines cost recovery practices within the Production Sharing Contract (PSC) scheme and the issues arising from its implementation in Indonesia’s upstream oil and gas sector. The method used is a literature review of scientific articles, government regulations, and institutional reports. The results show that cost recovery plays an important role in encouraging investment by providing cost reimbursement certainty for contractors after commercial production is achieved. Recoverable costs include non-capital, capital, and depreciation costs in accordance with PSC provisions and Government Regulation No. 79 of 2010. However, its implementation faces several challenges, including cost overruns, moral hazard due to misaligned incentives, information asymmetry between contractors and the government, and administrative complexity in audit and verification processes. These findings indicate the need to strengthen governance, improve transparency, and align regulations to ensure the effectiveness of cost recovery and support the optimization of state revenue. This study contributes to the existing literature through an integrative multi-perspective synthesis that consolidates legal, fiscal, and governance dimensions which have previously been studied separately, offering a more comprehensive and structured analytical basis for future policy reform.
Perilaku Berkendara Aman Pada Pengemudi Truk Tangki di Industri Minyak dan Gas: Sebuah Tinjauan Pustaka Cahyo Adhi Kusumo; Mila Tejamaya
Lembaran publikasi minyak dan gas bumi Vol 59 No 3 (2025)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.59.3.1966

Abstract

Kecelakaan lalu lintas merupakan masalah kesehatan global yang signifikan, termasuk industri perminyakan. Transportasi menggunakan truk tangki di semua tahapan, mulai dari eksplorasi dan produksi hingga penyulingan dan distribusi, memperburuk masalah keselamatan. Perilaku berkendara aman menjadi penting untuk membantu mencegah kecelakaan yang disebabkan oleh kelalaian pengemudi. Studi ini bertujuan menganalisis determinan terkait perilaku berkendara aman di kalangan pengemudi truk di industri minyak dan gas. Penelitian ini dilakukan dengan metode tinjauan pustaka (literature review). Data dikumpulkan dari studi kuantitatif potong lintang (cross-sectional) dari Google Scholar. Hasil sintesis memperoleh 12 artikel yang memenuhi kriteria. Karakteristik individu (pendidikan, status perkawinan, pengetahuan, sikap, dan penggunaan zat tembakau) berkontribusi terhadap perilaku berkendara aman. Faktor pengemudi (performa berkendara, pelanggaran, dan kesalahan berkendara) turut memengaruhi perilaku berkendara aman. Kondisi lingkungan (jam perjalanan, jam kerja lebih panjang, dan kondisi rute) juga berkontribusi. Kondisi truk (kondisi kendaraan dan usia truk) menjadi faktor lainnya. Studi kami berkontribusi pada pemahaman bahwa perilaku berkendara aman bagi pengemudi truk terutama di sektor minyak dan gas dipengaruhi oleh faktor manusia atau pengemudi, faktor lingkungan, kondisi kendaraan, dan kebijakan. Penguatan program pelatihan berkendara aman, pengaturan jam kerja untuk mencegah kelelahan, serta peningkatan kepatuhan pengemudi merupakan langkah strategis dalam meningkatkan keselamatan berkendara.
Integrated Organic Geochemical Characterization of Deltaic Source Rock in The Kutai Kartanegara Area, East Kalimantan Jamaluddin; Desianto Payung Battu
Lembaran publikasi minyak dan gas bumi Vol 60 No 1 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.60.1.2018

Abstract

The Kutai Kartanegara area, East Kalimantan, is part of the Mahakam deltaic system, which is recognized as one of Indonesia’s major hydrocarbon-producing regions. This study aims to characterize deltaic source rocks and evaluate their hydrocarbon potential using an integrated organic geochemical approach. Geochemical analyses of twelve Miocene shale samples reveal Total Organic Carbon (TOC) values ranging from 1.3 to 5.32 wt.%, with an average of 2.37 wt.%, indicating good to very good organic matter richness. Hydrogen Index (HI) and Tmax data indicate that the organic matter is predominantly Type III kerogen, with minor contributions from Type II/III kerogen, mainly derived from higher terrestrial plants. Tmax values ranging from 425 to 447°C and vitrinite reflectance values of 0.64–0.77% suggest thermal maturity levels from immature to early mature stages. Pr/n-C17 and Ph/n-C18 ratios indicate deposition under fluctuating oxic to anoxic conditions within deltaic to shallow-marine environments under a humid equatorial climate. Statistical and cluster analyses reveal source rock heterogeneity controlled by facies variations and thermal maturity. These results indicate that Miocene shales in the Kutai Kartanegara Area have high potential as gas-prone and mixed hydrocarbon source rocks and play a significant role in the petroleum system of the Mahakam Delta region.
KARAKTERISASI RESERVOIR PADA FORMASI AIR BENAKAT MENGGUNAKAN SEISMIK ATRIBUT SERTA PENENTUAN SUMUR USULAN DI LAPANGAN “X” SUB-CEKUNGAN JAMBI Elsa Laiyanti; Bagus Adhitya; Juventa; Muhammad Subhan
Lembaran publikasi minyak dan gas bumi Vol 60 No 2 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.60.2.1946

Abstract

Jambi Sub-Basin is one of the prospective areas for oil and gas exploration in Indonesia. However, the reservoir interval in the study area is thinner than the vertical resolution of the seismic data, making it difficult to identify using conventional seismic interpretation methods. The study area is located within the Air Benakat Formation. This study applies seismic attribute analysis to characterize thin reservoir intervals that are difficult to resolve using conventional methods. The objectives of this study are to characterize the reservoir based on seismic attribute responses and to identify prospective locations for proposed wells in the X Field, Jambi Sub-Basin. Four seismic attributes, namely RMS amplitude, sweetness, envelope, and instantaneous frequency, were integrated to provide a comprehensive interpretation of reservoir characteristics. RMS amplitude and envelope attributes were used to identify high-amplitude zones and lithological boundaries, while sweetness and instantaneous frequency assisted in differentiating potential reservoir zones from non-reservoir intervals. The integration of these attributes enables the identification of zones associated with variations in lithology, porosity, and potential hydrocarbon occurrence. Based on the integration of depth maps and seismic attributes for RES#11 and RES#3, three proposed wells were identified within Prospects A, B, and C in the southwestern part of the field, at elevations ranging from 960 to 1,530 m. These prospects are associated with faults that may have acted as hydrocarbon migration pathways. The integrated seismic attribute analysis indicates significant hydrocarbon potential in the study area and provides a basis for identifying prospective drilling locations in the X Field.
Evaluasi Kinerja Kapal Floating Storage Biodiesel Balikpapan: Analisis Berth Occupancy Ratio, Utilisasi Tangki, dan Keberlanjutan  Junaidi; A.R. Indra Tjahjani; I Nyoman Teguh Prasidha; Cahyo Setyo Wibowo
Lembaran publikasi minyak dan gas bumi Vol 60 No 2 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.60.2.2133

Abstract

Kenaikan mandatori biodiesel indonesia yang terus mengalami peningkatan hingga saat ini sudah B40 dan rencana menuju B50 menuntut sistem distribusi yang sanggup menjaga kontinuitas pasokan, terutama di Indonesia Timur yang masih kekurangan tangki penyimpanan darat. Penelitian ini mengevaluasi kinerja Kapal Floating Storage Balikpapan sebagai simpul penyimpanan dan distribusi biodiesel pada periode 2020 sampai 2025. Pendekatan yang digunakan adalah kuantitatif deskriptif evaluatif dengan mengolah data operasional kapal, serta data produksi dan distribusi biodiesel nasional. Evaluasi difokuskan pada kinerja operasional melalui Berth Occupancy Ratio dan Tank Occupancy Rate, serta keberlanjutan pemanfaatan kapal seiring kenaikan kadar percampuran menjadi B50. Hasil penelitian memperlihatkan kinerja yang semakin membaik, ditandai kenaikan Berth Occupancy Ratio dari 44,1 menjadi 65,9 persen dan pemulihan utilisasi tangki ke 64,3 persen pada 2025 setelah anomali pada 2023 akibat kapal berkapasitas besar. Proyeksi menunjukkan Berth Occupancy Ratio berpotensi melampaui ambang 75 persen pada 2027 sejalan dengan tekanan permintaan menuju B50. Pemanfaatan kapal Floating Storage Balikpapan masih layak dipertahankan dan dioptimalkan selama infrastruktur tangki darat belum memadai.
Evaluasi Kesesuaian Demulsifier Y sebagai Pengganti Demulsifier X pada Crude Oil Lapangan Minas Berdasarkan Water Separation dan Basic Sediment and Water (BS&W) Samsinar Sri Ningsih; Maulana Hardi; Tyas Kuswardani; Erik Indra Putra
Lembaran publikasi minyak dan gas bumi Vol 60 No 2 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.60.2.2159

Abstract

Penelitian ini bertujuan mengevaluasi kecocokan penggantian Demulsifier X dengan Demulsifier Y pada crude oil Lapangan Minas melalui pengujian water separation dan Basic Sediment and Water (BS&W). Pengujian dilakukan menggunakan metode bottle test pada suhu 79,4°C (175°F) dengan variasi konsentrasi 0, 50, dan 100 ppm. Hasil pengujian menunjukkan bahwa seluruh perlakuan demulsifier menghasilkan kualitas antarmuka Loose Rag (LR), sedangkan sampel blank menunjukkan Tight Rag (TR). Pada konsentrasi 100 ppm, Demulsifier Y menghasilkan water separation sebesar 80%, lebih tinggi dibandingkan Demulsifier X sebesar 76%. Analisis BS&W menunjukkan bahwa Demulsifier X, Y, dan campuran Demulsifier X–Y menghasilkan nilai BS&W 0,0%. Hasil penelitian menunjukkan bahwa Demulsifier Y mampu memberikan kinerja pemisahan yang setara bahkan lebih baik dibandingkan Demulsifier X serta jika terjadi pencampuran dengan Demulsifier X tidak menurunkan efektivitas pemisahan minyak dan air. Dengan demikian, Demulsifier Y layak digunakan sebagai pengganti Demulsifier X pada Lapangan Minas.
An Evidence-Constrained Four-Domain Exploration Framework for Rare Earth Elements in The Bangka Belitung Tin-Granite System Aly Rasyid; Edy Soesanto; R. Andy Erwin Wijaya
Lembaran publikasi minyak dan gas bumi Vol 60 No 2 (2026)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.60.2.2169

Abstract

Rare earth element (REE) enrichment in the Bangka Belitung tin province occurs in genetically and technologically distinct materials that require different exploration and processing tests. This study develops an evidence-constrained framework that integrates fresh granite, weathered granite, placer/alluvium, and tin-processing residues without merging non-comparable geochemical values. The analysis separates primary accessory-mineral-hosted, residual mineral-grain, ion-exchangeable clay-associated, mechanically concentrated, and anthropogenically concentrated REEs. Site-specific datasets were evaluated by sample medium, analytical basis, mineral host, spatial support, process diagnosis, recovery evidence, and U-Th/NORM risk. Weathered profiles show systematic enrichment toward lower horizons: reported total REE concentrations increase from 156-188 to 196-268 ppm at Toboali and from 230-330 to 342-450 ppm at Air Gegas. Mineralogical studies identify monazite as the principal Ce-rich light-REE host and xenotime as a Y-heavy-REE host across primary, placer, concentrate, and tailings materials. Diagnostic leaching from South Bangka demonstrates that part of the REE inventory is extractable, but strong-acid recoveries cannot be generalized as evidence of low-intensity ion-exchange recovery. The ordinal screening assigns weathered granite the highest geological prospectivity but only moderate evidence confidence; tailings and placers remain attractive near-surface domains with greater heterogeneity and radiological uncertainty. Remote sensing is retained as a proxy for regolith, drainage, and disturbed ground, not as direct REE detection. The framework provides a reproducible basis for prioritizing field verification while preventing conceptual prospectivity from being misreported as a resource or economic valuation.

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