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All Journal Jurnal Offshore: Oil, Production Facilities, and Renewable Energy
Daniel Sinurat
Sekolah Tinggi Teknologi Migas Balikpapan
Earth & Planetary Sciences Energy Engineering Mechanical Engineering

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Studi Laboratorium Analisis Penambahan CaCO3 pada Berbagai Temperatur terhadap Lumpur Pemboran Sheren Gevani; Sahrudding; Daniel Sinurat
Jurnal Offshore: Oil, Production Facilities and Renewable Energy Vol. 9 No. 2 (2025): Jurnal Offshore: Oil, Production Facilities and Renewable Energy
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jo.v9i2.2494

Abstract

In this research, the effect of temperature on drilling mud with and without the addition of CaCO₃ was analyzed. The objectives of this study were to determine the changes in mud weight, rheology, filtrate volume, and pH under three temperature variations: 80°F, 130°F, and 180°F for original mud, 3% CaCO₃, and 5% CaCO₃ formulations. Laboratory-scale experiments were conducted. The results showed that mud weight decreased with increasing temperature in all formulations. The mud without CaCO₃ decreased from 9.32 ppg to 7.9 ppg. With 3% CaCO₃, mud weight decreased from 10 ppg to 9.13 ppg, while 5% CaCO₃ showed a reduction from 10.28 ppg to 9.83 ppg. Rheological properties including plastic viscosity (PV), yield point (YP), and gel strength (GS) decreased with temperature increases. Filtrate volume increased at higher temperatures for all mud variations. Meanwhile, pH decreased from 80°F to 130°F but remained constant afterward. Overall, the addition of CaCO₃ improved mud performance but temperature significantly influenced mud properties.
Pengaruh Salinitas dan Konsentrasi Polimer Carboxymethyl Cellulose Terhadap Viskositas dan Adsorpsi pada Formasi Batu Pasir Brian Adisty Kurniawan S Toripalu; Raul Ferdy Ramadani N; Daniel Sinurat
Jurnal Offshore: Oil, Production Facilities and Renewable Energy Vol. 9 No. 2 (2025): Jurnal Offshore: Oil, Production Facilities and Renewable Energy
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jo.v9i2.2498

Abstract

Enhanced Oil Recovery (EOR) is an advanced oil recovery method used to increase oil production from reservoirs after primary and secondary recovery stages are no longer able to produce oil optimally. Therefore, this study aims to analyze the effect of salinity and Carboxymethyl Cellulose (CMC) solution concentration variations on viscosity and adsorption characteristics in sandstone formations as part of evaluating the potential application of polymers in polymer injection methods in Enhanced Oil Recovery (EOR) technology. The research method was carried out through compatibility testing, viscosity measurement, and adsorption testing using CMC solutions at several variations of concentration and salinity levels with 50 mesh sandstone media. The results showed that an increase in salinity caused a decrease in the viscosity of the CMC solution. At a salinity of 5000 ppm, the viscosity was 4 cP, 4.82 cP, and 16.02 cP at concentrations of 5000 mg/L, 7500 mg/L, and 10000 mg/L, respectively. while at a salinity of 10,000 ppm, it decreased to 2.95 cP, 4.59 cP, and 10.07 cP. In the adsorption test, the adsorption value increased with increasing concentration and salinity. The adsorption values at a salinity of 5000 ppm were 5.13 mg/g, 7.63 mg/g, and 8.46 mg/g, respectively, while at a salinity of 10000 ppm, they increased to 6.32 mg/g, 9.36 mg/g, and 10.61 mg/g.
Analisis Keekonomian pada Produksi Lapangan “RF” Menggunakan Skema Production Sharing Contract (PSC) Cost Recovery Ni Ketut Krisdayanti; Fathul Adawiyah; Daniel Sinurat
Jurnal Offshore: Oil, Production Facilities and Renewable Energy Vol. 9 No. 2 (2025): Jurnal Offshore: Oil, Production Facilities and Renewable Energy
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jo.v9i2.2501

Abstract

Reserve estimation and economic analysis are essential components in oil and gas field development to determine production feasibility. This study aims to evaluate production reserves and economic performance of the “RF” Field in the “R27” and “A10” reservoirs using the Production Sharing Contract (PSC) Cost Recovery scheme. Reserve estimation and production forecasting were conducted using Decline Curve Analysis (DCA) through MBAL software, while the economic evaluation was performed using Microsoft Excel based on the PSC Cost Recovery fiscal parameters. This study also examines factors influencing economic value and projects future cumulative production under two development scenarios. The results indicate cumulative production of 75.3255 MMSCF for the “R27” reservoir and 89.3819 MMSCF for the “A10” reservoir. The economic analysis shows a Net Present Value (NPV) of 5,276.97 MUSD and an Internal Rate of Return (IRR) of 1665.13%, with a Pay Out Time (POT) of one year. These results indicate that the development of the “RF” Field is economically feasible and suitable for continued production
Co-Authors Brian Adisty Kurniawan S Toripalu Fathul Adawiyah Ni Ketut Krisdayanti Raul Ferdy Ramadani N Sahrudding Sheren Gevani