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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Prosiding Seminar Nasional Pakar Abdimas Universal Community Empowerment INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Petro : Jurnal Ilmiah Teknik Perminyakan JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) Journal of Earth Energy Science, Engineering, and Technology Jurnal Eksakta Kebumian Scientific Contributions Oil and Gas

Asri Nugrahanti

Universitas Trisakti, Jakarta, Indonesia

Author-ID : 3198987

Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Public Health Social Sciences Other

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Comparative Analysis of Indonesia Gross Split PSC with Fiscal Terms of Several Southeast Asian Countries Saptianta Aribawa Sabaris; Asri Nugrahanti; Dwi Atty Mardiana
Journal of Earth Energy Science, Engineering, and Technology Vol. 3 No. 3 (2020): JEESET VOL. 3 NO. 3 2020
Publisher : Penerbitan Universitas Trisakti

The implementation of the Gross Split PSC in the upstream oil and gas industry in Indonesia has been running since 2017 with the hope of being able to accelerate the decision-making process and increase attractiveness for oil and gas investors. This study is to analyze the implementation of Indonesia Gross Split PSC compared to other fiscal terms in Southeast Asia region from an economics perspective. The comparisons reviewed are between Indonesia Gross Split PSC and the following fiscal terms: Indonesia Cost Recovery PSC, Malaysia R/C PSC, Thailand Concession, and Vietnam PSC. Fields used as input for analysis are producing oil fields with small-scale recoverable reserves according to RF-2005 / SPE, namely Block X (early production fields) and Block Y (terminated fields). From economics calculations and comparisons, sensitivity and profitability characteristics, specifically applied to the field conditions under review, it is concluded that Indonesia Gross Split PSC has improved economics indicators compared to Indonesia Cost Recovery PSC so that Indonesia Gross Split PSC has an economics level indicator that is better than PSC Indonesia Cost Recovery when compared to Malaysian R/C PSC, Thailand Concession and Vietnam PSC.

Effect of Sand Grain Size on Spontaneous Imbibition of Surfactant Solution Pri Agung Rakhmanto; Listiana Satiawati; Rini Setiati; Asri Nugrahanti; Sonny Irawan
Journal of Earth Energy Science, Engineering, and Technology Vol. 4 No. 2 (2021): JEESET VOL. 4 NO. 2 2021
Publisher : Penerbitan Universitas Trisakti

In spontaneous imbibition researches, surfactant has been employed to control interfacial tension (IFT) and wettability. In this paper, the evaluation of grain size effect on spontaneous imbibition of surfactant solution is presented. In this work, the synthetic porous media (sand packs) with uniform and non-uniform grain size from 30 mesh to 100 mesh were made. The porous media were initially saturated by oil. Then they were immersed in brine with salinity of 62 to 40,000 ppm for 24 hours. After that, the porous media were immersed in surfactant solution with concentration of 0.2% for another 24 hours. The total oil recovery during these treatments was measured. The experiment was separated into three parts in order to investigate the effect of uniform grains, non-uniform grains, and salinity in spontaneous imbibition. The results show that grain size and porosity were proportional to oil recovery. In the case of porous media with uniform grain size, the effect of grain size on recovery factor is stronger than that of porosity. Meanwhile the salinity has an the optimum condition for a maximum recovery factor. In this study, it happened at salinity of 20,000 ppm. Oil recovery factors observed in this study ranged from 66.7% to 91.1%.

Miscible Water Alternating Gas CO2 Injection Performance Analysis as Efforts to Improve Oil Recovery Factors in Field CW Citra Wahyuningrum; Muhammad Taufiq Fathaddin; Asri Nugrahanti; Esaim Mustafa Abrahim Omar
Journal of Earth Energy Science, Engineering, and Technology Vol. 5 No. 1 (2022): JEESET VOL. 5 NO. 1 2022
Publisher : Penerbitan Universitas Trisakti

The Enhanced Oil Recovery (EOR) method aims to increase oil production. One of the EOR methods is CO2 injection. CO2 injection mechanism is by expanding the volume of oil, reducing viscosity, and reducing the mobility ratio. The purpose of the study was to compare the recovery factor gain in the waterflood, Miscible CO2 Continuous injection, and Miscible WAG CO2 injection methods with a three-dimensional simulation methodology using CMG Compositional software in the CW Field. From the CW field, a sectoral model was chosen to be studied, namely the area of the CW-A well and the CW-B well because the two areas have different reservoir conditions. The optimal injection well pattern for the CW-A Well area and the CW-B Well area is Inverted Five Spot. CO2 injection is said to be miscible because the injection pressure and reservoir pressure are above MMP (2800 psi) and mixing occurs between CO2 and oil to form a homogeneous phase. The optimal CW-A (Low Permeability) well area using the 4 PV CO2 Continues Injection scenario (injection rate 31.8 Mscf/d) produces an RF of 61.18%. Optimal CW-B (High Permeability) Well Area using CO2-WAG 2 PV injection scenario in 90 days (3 months) cycle, WAG Ratio 1:3 (injection water rate 20,036.84 bwpd and gas injection rate 33.75 Mscf/d) produces RF of 61.76%.

The Effect of Temperature on Filtration Loss and Mud Cake on The Concentration of Corn Starch Using the KCl-Polymer Sludge System Safira Azzahra fira; Lestari; Lisa Samura; Asri Nugrahanti; Rachmi Kartini
Journal of Earth Energy Science, Engineering, and Technology Vol. 6 No. 2 (2023): JEESET VOL. 6 NO. 2 2023
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jeeset.v6i2.17685

Drilling mud is a type of fluid that can help smoothing a drilling. The function of the drilling mud in the drilling process is to lift the drilling cutting. In this laboratory research, corn starch was used as a substitute for starch to reduce filtration loss. Corn starch is made by cleaning, drying, grinding, and sieving. The purpose of this research is to make mud with the addition of corn starch. its effect on filtration loss and mud cake at two temperature conditions. In this study the use of corn starch to be mixed into the mud with concentrations of 3 grams, 5 grams, 7 grams, 9 grams, and 11 grams. Accordingly, it can be seen which mud composition complies with the standard drilling mud specifications. Laboratory test results showed that the addition of corn starch additives caused a decrease in filtration loss for each difference in concentration and temperature. With the addition of 11 grams of corn starch, filtration loss decreased from 6.2 ml to 4.4 ml at 80°F, and it decreased from 5.2 ml to 3.9 ml at 200°F. In addition, corn starch additives cause the thickness of the mud cake formed to decrease. At a temperature of 80 oF the thickness of the mud cake decreased from 0.76 mm to 0.46 mm, while at a temperature of 200 oF it decreased from 0.62 to 0.42 mm. Based on the research results, corn starch additives and temperature influence changes in filtration loss and mud cake.

Co-Authors Alief Mahadika Putra Andry Prima Arinda Riswati Bayu Satiyawira Bayu Satyawira Bobby Rifki Saputra Cahaya Rosyidan Citra Wahyuningrum Devanda Rizki Abdul Khafid Dwi Atty Mardiana Esaim Mustafa Abrahim Omar Gabriella Jasmine Gabriella Jasmine Harin Widiyatni Havid Pramadika Havid Pramadika Havidh Pramadika Henry David Young Henry Young Indah Putri Halim Lestari Listiana Satiawati M. Kemal Disaputra Maman Djumantara Mohammad Apriniyadi Muhammad Dzaki Arkaan Muhammad Fahdie Muhammad Taufiq Fathaddin, Muhammad Taufiq Mustamina Maulani Mustamina Maulani Nurfath Subha Muhammad Onnie Ridaliani Prapansya Onnie Ridaliani, Onnie Pauhesti Pauhesti Pri Agung Rakhmanto Rachmi Kartini Rakha Handika Putra ridha Husla Rini Setiati Riza Antares Rizki Akbar Rosmalia Dita Nugraheni Safira Azzahra fira Samsol Samura, Lisa Saptianta Aribawa Sabaris Sartika Sah Putri Sigit Rahmawan Slamet Soeharto Sonny Irawan Sonny Irawan Sonny Irawan Subha Muhammad, Nurfath Suryo Prakoso, Suryo Syamsul Irham Taufan Marhaendrajana, Taufan Widia Yanti Yarra Sutadiwiria Zakiah D. Nurfajrin Zakiah Darajat Nurfajrin

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