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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Prosiding Seminar Nasional Pakar ComTech: Computer, Mathematics and Engineering Applications International Journal of Community Service Jurnal Abdi Masyarakat Indonesia Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti Petro : Jurnal Ilmiah Teknik Perminyakan JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) Journal of Earth Energy Science, Engineering, and Technology Jurnal Pengabdian Masyarakat Indonesia (JPMI) Scientific Contributions Oil and Gas
Andry Prima
Universitas Trisakti
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Effects of Palm-Oil-Based Methyl Ester Sulfonate (MES) in Laboratory-Scale Enhanced Oil Recovery Process Onnie Ridaliani; Samsol; Rini Setiati; Muhammad Taufiq Fathaddin; Lilian Anggela; Andry Prima; Nandito Davy; Widia Yanti
Scientific Contributions Oil and Gas Vol 48 No 4 (2025)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v48i4.1825

Abstract

Natural Declining oil production is often caused by reduced natural driving forces within reservoirs. To address this limitation, enhanced oil recovery (EOR) technology introduces external energy or chemical agents to mobilize residual oil. This study evaluated the performance of palm-oil-based methyl ester sulfonate (MES) an anionic and biodegradable surfactant synthesized from renewable feedstock for improving recovery efficiency under laboratory-scale conditions. Core-flood experiments were performed using Berea sandstone cores, intermediate 33°API crude oil, low salinity of 10,000 ppm, synthetic brine at 60 °C. The testing sequence included screening test of palm-oil-based MES, brine saturation, oil saturation, waterflooding, and subsequent surfactant flooding with 1.5% MES solution. During waterflooding, the recovery factor reached 62.8 %, leaving 31.29 % residual oil saturation. Injection of 1.5 wt % MES increased the recovery factor to 68.8 % and reduced residual oil saturation to 26.25 %, indicating enhanced displacement and improved microscopic sweep efficiency. The results confirmed that palm-oil-derived MES effectively mobilizes trapped oil and demonstrates strong potential as an environmentally friendly and locally available surfactant for chemical EOR applications in the reservoirs.
Optimization of Alternative CMC Sources from Rice Husk, Sawdust, and Caustic Soda, and The Effect of PH Increase on Filtration Loss and Rheology of Drilling Mud Lisa Samura; Cahaya Rosyidan; Mustamina Maulani; Andry Prima; Maman Djumantara; Dina Asmaul Chusniyah; Aqlyna Fattahanisa; Bayu Satiyawira; Mentari Gracia Soekardy; Brilliani
Scientific Contributions Oil and Gas Vol 48 No 4 (2025)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v48i4.1849

Abstract

Drilling mud plays a vital role in maintaining wellbore stability, carrying cuttings, and controlling formation pressure during drilling operations. Typically, Carboxy Methyl Cellulose (CMC) is used to enhance mud viscosity and reduce filtration loss, but its synthetic nature makes it relatively expensive. This study investigates rice husk and sawdust as natural, cost-effective alternatives to CMC. Various compositions were evaluated using the Box-Behnken design in Response Surface Methodology (RSM) to optimize the mud formulation. Results indicate that a combination of 6 g rice husk and 6 g sawdust provides the best performance in improving rheological properties such as yield point and gel strength, while significantly reducing filtration loss. Gradual addition of caustic soda (NaOH) effectively increases mud pH to the ideal range (9–11), enhancing chemical stability. RSM successfully modeled the statistical relationship among variables and facilitated identification of the optimal formulation.
Drilling Fluid Optimization Using Response Surface Methodology Bayu Satiyawira; Mustamina Maulani; Lisa Samura; Havidh Pramadika; Asri Nugrahanti; Cahaya Rosyidan; Andry Prima; Muhammad Dzaki Arkaan; Widia Yanti
Scientific Contributions Oil and Gas Vol 48 No 4 (2025)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v48i4.1900

Abstract

Water-based drilling fluids commonly exhibit rheological degradation under high-temperature, high-pressure (HTHP) conditions, resulting in significant reductions in viscosity, yield point (YP), and gel strength (GS). Previous studies relying on conventional additives such as PAC, CMC, KOH, and NaOH have not fully resolved this issue, particularly in maintaining rheological stability at elevated temperatures. This study addresses this gap by introducing an alkaline polymer as a multifunctional additive intended to replace several conventional components while enhancing thermal resistance. Response Surface Methodology (RSM) with a Box–Behnken design was used to evaluate the combined effects of Carboxymethyl Cellulose (CMC) and alkaline polymer at three temperature levels: 80°F, 150°F, and 250°F. Experimental results show that at 150°F, the optimized formulation consists of 3.5 g CMC and 3.6 g alkaline polymer, yielding a viscosity of 17.64 cP, plastic viscosity of 12.46 cP, and a YP of 7.72 lb/100 ft², representing a substantial improvement compared to the baseline formulations, where YP values decreased significantly with temperature. The optimized mud also demonstrated improved gel strength and consistent filtrate control relative to non-optimized systems. The novelty of this study lies in the use of an alkaline polymer as a single multifunctional substitute for multiple drilling-fluid additives, combined with a multi-temperature RSM optimization framework. The findings provide a simplified, thermally stable drilling-fluid formulation suitable for HTHP environments.
Determining The Dynamics of The Petroleum Buffer Reserve of Indonesia Prima, Andry; Moengin, Parwadi; Astuti, Pudji; Sari, Emelia; Nugrahanti, Asri; Jawaid Butt, Osama
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.1987

Abstract

This study develops an integrated system dynamics and probabilistic Monte Carlo simulation framework to evaluate Indonesia’s Petroleum Buffer Reserve (PBR) strategy in alignment with Perpres 96/2024 and the nation’s broader energy security agenda. Monte Carlo simulation results reveal that only the scenario characterized by full import availability is capable of achieving the mandated 10.17-million-barrel reserve target, while all other scenarios consistently fail to accumulate sufficient stock under uncertainty. The probabilistic analysis further shows that this scenario yields a probability exceeding 98% of meeting or surpassing the target, in contrast to the near-zero success rates observed under restricted import conditions. Days-of-cover optimization highlights an additional strategic vulnerability: the current PBR target corresponds to only about 12 days of crude import protection. Building on the system’s dynamic behavior, this study recommends a minimum reserve target of 30 days as an immediately achievable benchmark. A 60-day reserve is identified as a feasible medium-term objective, provided that replenishment rates and storage capacity are enhanced. Achieving a 90-day reserve, consistent with international strategic stockpiling standards, would require substantial investment and diversification of supply sources. These findings underscore Indonesia’s structural dependence on imported crude oil and emphasize the need for assertive replenishment policies to strengthen national energy resilience
Co-Authors Abdul Hamid Aldo Fadhillah Abraham Anaugtuharesto, Yosia Aqlyna Fattahanisa Arinda Ristawati Arinda Ristawati Arinda Ristawati Aryanto, Reza Asri Nugrahanti Asri Nugrahanti, Asri Bayu Satiyawira Bianca Marella Putri Salusu Brilliani Cahaya Rosyidan Dina Asmaul Chusniyah Djunaedi Agus Wibowo Elfrida Ratnawati Emelia Sari Foggie Sciorra Harin Widiyatni Havidh Pramadika Havidh Pramadika Heru P Sanusi Hutabarat, Rafhi Rio Abkas Imam Setiaji Ronoatmojo Irfan Marwanza Jawaid Butt, Osama Kashah, Muhammad Refli Koesmawardani, Wildan Tri Kurniawati, Riskaviana Kusuma , Ariadi Lilian Anggela Maman Djumantara Maman Djumantara, Maman Maulani, Mustamina Maulindani, Sri Feni Meldinar Riska Puspitosari Mentari Gracia Soekardy Muhammad Dzaki Arkaan Muhammad Taufiq Fathaddin, Muhammad Taufiq Mustamina Maulani Mustamina Maulani Nandito Davy Onnie Ridaliani, Onnie Parwadi Moengin Pauhesti, Pauhesti Prana Ugiana Gio PUDJI ASTUTI puri wijayanti Puri Wijayanti Puri Wijayanti, Puri Puspitosari, Meldinar Riska Rachmat Sudibjo Renanda, Raka Ilham Reza Aryanto Reza Aryanto Rini Setiati Ristawati , Arinda Ristawati, Arinda Samsol Samura, Lisa Sugiatmo Kasmungin Wastu, Apriandi Rizkina Rangga Wibowo, Jati Arie Widia Yanti Widia Yanti, Widia Wiwik Dahani wiwik dahani, wiwik Yulia, Prayang Sunny