Vol. 49 No. 3 (2026)

View Vol. 49 No. 3 (2026)

Published: 30-09-2026

Articles

Numerical Sensitivity Analysis of Matrix Permeabilityand Parent–Child Well Interaction on Estimated Ultimate Recoveryin Unconventional Reservoirs

Dike F Putra, Ichsan A. Lukman, M Haidar Putra, Fiki Hidayat, Muhammad Ariyon

1-40
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Effect of Corn Cob Addition on the Rheological and Filtration Properties of Water Based Drilling Mud

Apriandi Rizkina Rangga Wastu, Ridha husla, Ghanima Yasmianiar, Asri Nugrahanti, Venezia Chelsea Reggiana Kalalo, R Hari Karyadi Oetomo, Siti Azizah

41-52
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Optimizing CO₂ Storage in Saline Aquifers Through Pressure Redistribution in Natuna D-Alpha Field, Indonesia

Roihan Arie Nirwana, Dedy Irawan, Amega Yasutra, Syarif Kamal, Welly Ahmad Ramadan

53-66
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Full Tensor Gravity Gradiometry Sensitivity Analysis for Delineating Lateral Reservoir Boundaries and Subtle Density Contrasts

Krisna Oka Mahendra, Muhammad Noor Amin bin Zakariah, Soni Satiawan, Boko Nurdiyanto Suwardi, Edy Widjanarko

67-87
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A Practical Integrated Workflow for Well Candidate Selection in Mature Oil Fields Using Well Opportunity Index and Delta Potential

Amega Yasutra, Adam Muhammad

89-105
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Effect of Cone Design on the Structural Integrity Assessment of an Oil & Gas Conical Perforated Strainer Using CFD-Coupled Finite Element Analysis

Mohd Azni Md Kasim, Mohd Azahari Razali, Nur Syafiqah Adha Narrudin, Norfakhira Mohd Nor, Iman Fitri Ismail, Masataro Suzuki, Amnur Akhyan

107-129
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Unsupervised Machine Learning for Reservoir Rock Type Classification in the Ngimbang Formation, Northeast Java Basin, Indonesia

Elizia Da Costa Alves, A.K.M. Eahsanul Haque, M. Azuwan B. Maoinser

131-151
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Determination of an Appropriate Method and Economic Cost Estimation for Plug and Abandonment of H-11 Well in The Tambun Field

Luky Agung Yusgiantoro, Dedi Kristanto, Dimas Suryo Wicaksono, Karina Larasati, Vania Raina Stephanie, Gondo Irawan

153-170
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Investigation of the Effects of Multi-Walled Carbon Nanotubes Concentration and Sonication Time on the Performance of EOR Nanofluids

Heydar Ruffa Taufiq, Ngurah Ayu Ketut Umiati, Diah Ayu Purbowati, Eva Fariha Sal Shabillah, Khasan Rowi, Nesti Dwi Maharani, Agus Subagio

171-185
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Geochemical Correlation of Gas and Condensate from The Lower Seurula Reservoir with Potential Source Rocks in The North Sumatra Basin

Wiendra Akhmad Faridsyah, Very Susanto

187-206
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Netback Value Assessment of Indonesia's Natural Gas Sector: Implications for Domestic Market Obligation and Industrial Gas Pricing Policy

Retno Gumilang Dewi, Yuwono Bintang

207-232
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Lithofacies Versus Well Identity as Controls on Fracture Porosity in Malay Basin Carbonates: A Two-Scale Statistical Decomposition

Simeao Lourenco Correia da Silva, Muhammad Luqman Hasan, Dejen Teklu Asfha, Krisna Oka Mahendra

233-255
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An Integrated Analysis Approach for Identifying Water Influx Mechanism in Gas Well: TMG Case Study

Tjok Gede Satryangga, Amega Yasutra, Dedy Irawan, Amritzar Aimar, Seno Kushidayat

257-277
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Design of a Swab Cup Running Tool to Reduce Fluid Bypass during Liquid Swabbing Operations in Dual Size Tubing Completion Oil and Gas Wells

Karnando, Dedy Irawan, Amega Yasutra

279-298
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Feasibility of Upper Baturaja Interval as a Carbon Storage Reservoir in Kandanghaur-Gantar High, Jatibarang Sub-basin, West Java: A Literature-Based Preliminary Study

Oki T Musakti, Muhamad Syaifudin, Aris Buntoro, Bambang Widarsono

299-314
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Is The α–β Quartz Transition a Significant Contributor to Porosity Generation in Unconventional Crystalline Hydrocarbon Reservoirs? A review

Eduardo A. Rossello, Marcos E. Mozetic

315-333
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Rheological Screening of HPAM for High-Salinity EOR

Esraa Osama, Adel M. Salem, Ahmed Alsabagh, Omar Elfarouk, Mahmoud Tantawy, Muhammad Saafan

335-347
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Influence of Expanded-Air Fraction on Product Distribution and Energy Performance of Turboexpander and Joule–Thomson Refrigeration Systems in Double-Column Cryogenic Air Separation Units

Ratri Puspita Wardani, Mohammad Irwan Fatkhur Rozy, Amani Salsabil Husodo, Alifah Nur Aini Fajrin, Fitria Dwi Andriani, Kharin Nova Ledya Rezkirana, Siti Fatimatus Zahro

349-366
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Statistic Reability Test of Nozzle Geometry for Oil Well Hole Cleaning from Produced Sand

Abdullah Rizky Agusman, Eko Prastio, Citra Wahyuningrum

367-385
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Enhancing Economic Resilience in Marginal Oilfields Through Discrete Event Simulation Optimization of Coiled Tubing Reutilization

Warno, Suharjito

387-410
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Geospatial Analysis of Surface and Subsurface Factors for Mapping Geothermal Potential Zones in Central-Western Taiz, Yemen

Anwar Abdullah, Ghareb Hamada, Abbas Al-Khudafi , Ibrahim Farea, Fahd Alakbari

411-440
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Bottom Hole Assembly Performance Evaluation for Horizontal Well Drilling: Case Study of Well “AM-63” in Penang Field, Indonesia

Herianto, Harry Budiharjo S, Alip Meindar

441-460
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Shallow Gas: From Hazard to Prospect, Prediction of Reservoir Porosity Distribution Based on Log and Seismic Data Analysis

Anton Hilman Saputra, Abdul Haris

461-475
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Comparative Analysis of B35–B40 Biodiesel Blends in Passenger Train Generator Sets: Performance, Emissions, and 1,200 h Endurance Tests

Riva Yudha Abriyant, Naufal Rasendriya Azmi, Irawan Adhi Putra, Faqih Supriyadi, Yogi Pramudito, Dimaz Warahadi, Riesta Anggarani, Eki Dwi Wijanarko, Cahyo Setyo Wibowo, Ahmad Syihan Auzani

477-492
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Mitigating Sulfate-Reducing Bacteria in Produced Water: Performance of MB-X Biocide Assessed by Sulfate-Reducing Bacteria Biological Activity Reaction Test at Regional 1 Sumatera

Erik Indra Putra, Maulana Hardi, Oktaviani Kusuma Wardani

493-506
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Dual-porosity-Permeability Modeling in Carbonate Reservoirs: A Review on Characterization Techniques,Modeling Approaches, and CCS Applications

Khalisha Shafa Yumnanisa, Siti Nur Fathiyah Jamaludin, Numair Ahmed Siddiqui, Jun Matsushima, Alidu Rashid, Jamaluddin

507-536
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Development of Machine Learning for Lost Production Opportunity Prediction and Production Optimization Through Workover Scheduling in Pertamina Hulu Sanga Sanga Field, Sanga-Sanga Block of East Kalimantan, Indonesia

Adinsya Yudha, Suranto, Frans Richard Kodong, Muhammad Rahmanaji Soeparmono

537-565
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Gas Saturated Sandstone Reservoirs Characterization through Probabilistic Seismic Inversion Using Bayesian Neural Networks

Edi Sanjaya, Praditiyo Riyadi, Fadhlur Rahman

567-592
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SEM-XRD Aging Study of Pre-Stressed 2024-T3 Alloys for Oil and Gas Supporting Components

Wikan Jatimurti, Azzahwa Fariha Padmavati, Sulistijono, Alvian Toto Wibisono, Agung Purniawan

593-606
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Impact of CO₂ -Induced Geochemical Alteration on The Mechanical Integrity of Reservoir and Caprock in Saline Aquifers

Citra Fitria, Novia Rita, Ayyi Husbani

607-645
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Amplitude Versus Frequency (AVF) as an Alternative Method for Detecting Gas Presence in Carbonate Reservoirs: A Case Study of the Baturaja Formation, South Sumatra Basin

Tati Zera, Bahrul Ulum, Praditiyo Riyadi, Jarea Yurika Lubis

647-666
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Process Simulation and Optimization of Green Hydrogen Production from Rubberwood Sawdust Pellets Via Gasification Using Unisim Design for Oil Refining

Basuki Rahmad Saleh, Irdam Ahmad, Herlina Juni Risma Saragih, Agus Adriyanto, Abdul Rozak Kodarif, Fauzi Yusupandi, Damayanti, Muhammad Rifqi, Hanif Fawaz Za’im, Yazid Bindar

667-681
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Flow Assurance for Paraffinic Classified Crude Oil Using Water Heating Boiler Metode in Field Sepanjang East Java

Tio Rizky Arga Sasmita, Muh Kurniawan

683-703
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Effect of KOH Concentration on Biodiesel Production from Waste Cooking Oil: Comparison of Batch and Microchannel Reactor

Claudya Debbie Retnosatuti, Afiq Mohd Laziz, M. Devendran, Ehsan Zhalehrajabi

705-722
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Multi-Stakeholder Agent-Based Decision Framework for Sustainable Horizontal Well Placement: Field Validation of Ultra-Deep Azimuthal Resistivity Integration Across Three Well Examples

Ida Bagus Gede Hermawan Manuaba, Dermawan Wibisono, Manahan Parlindungan Saragih Siallagan, Taufan Marhaendrajana, Haifeng Wang

723-743
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