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All Journal Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System Journal of Petroleum and Geothermal Technology Journal of Earth Energy Science, Engineering, and Technology Journal of Sciencce Technology and Visual Culture Jurnal Berkawan
Stevy Canny Louhenapessy
Institut Teknologi Sumatera
Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Health Professions Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences

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 1 
The Effectiveness of Directed Drilling Track Planning Method with Variation of Build Up Rate Stevy Canny Louhenapessy; Randa Putra Jusmal Melato
Journal of Science, Technology, and Visual Culture Vol 3 No 2 (2023): Juli 2023
Publisher : Jurusan Teknologi Produksi dan Industri, Institut Teknologi Sumatera

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Abstract

The build-up rate test in this case study was carried out using three BUR variables, namely 30/100 ft, 50/100 ft, and 70/100 ft, which were simulated using the directional drilling trajectory method. The results of each BUR obtained when using the build and hold drilling trajectory method resulted in a maximum inclination angle of 39.1970, 31.8540, and 30.0930; the vertical section depth to the end of the build were 1707.02 ft, 1104.77 ft and 910.41 ft; the measured depths to the end of the build were 1807 ft, 1137 ft, and 930 ft; and the measured depths to the target point were 2584 ft, 2556 ft, and 2547 ft. While the results of each BUR obtained when using the buildup drilling trajectory method resulted in a maximum inclination angle of 56,680, 76,2890 and 95.5620; the vertical section depth to the end of the build of 2269.92 ft, 2298.22 ft and 2311.95 ft; measured depths to the end of the build of 2563 ft, 2711 ft and 2886 ft; and the measured depth to the target point were 2636 ft, 2759 ft and 2886 ft. BUR comparisons performed on these two methods have advantages and disadvantages in terms of the analyzed parameters. This parameter can affect drilling risk, drilling time efficiency, and economy
Pemanfaatan Biochar dalam Menurunkan Emisi Karbon di Hutan Industri Alfian Hayu Sudibya; Stevy Canny Louhenapessy; Yudha Gusti Wibowo
Journal of Science, Technology, and Visual Culture Vol 2 No 2 (2022): Juli 2022
Publisher : Jurusan Teknologi Produksi dan Industri, Institut Teknologi Sumatera

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Abstract

Indonesia memiliki hutan gambut tropis tebesar di dunia. Hutan menggunakan CO2 untuk fotosintesis. Hutan berperan penting dalam menyerap karbon dalam suatu daerah. Tingginya pemekaran pembangunan juga memicu terjadinya pembukaan lahan di hutan tropis. Salah satu metode yang paling sering digunakan dalam pembukaan lahan adalah dengan cara pembakaran. Emisi karbon di hutan haru dihindarkan salah satunya menggunakan biochar. Biochar merupakan material kaya karbon yang dihasilkan dari proses pirolisis sederhana pada suhu rendah (100-300 oC). Material biochar merupaka ikatan rantai karbon yang dibuat dari biomasa. Pemanfaatan biochar telah banyak dilaporkan dalam penetralisir air tercemar dan sebagai penyerap karbon. Berbagai hasil riset yang dilakukan telah menguatkan fakta bahwa biochar merupakan material yang paling stabil dalam mencegah pelapasan karbon ke atmosfer. Biochar juga dilaporkan mampu meningkatkan kualitas tanah, meningkatkan hasil panen pada industri pertanian dan mampu menjaga kestabilan tanah dengan memperbaiki nilai Dissolve Organic Carbon (DOC) tanah. Pemanfaatan biochar juga akan meningkatkan perekonomian masyarakat di sekitar area industri apabila pemerintah mendorong dan melakukan pelatihan agar masyarakat di wilayah industri dapat memproduksi biochar dan menjualkan kepada perusahaan.
RANCANG BANGUN SISTEM PENGENDALI PH OTOMATIS PADA KOLAM BUDIDAYA IKAN NILA Mege, Christio Revano; Louhenapessy, Stevy Canny; Khoirunisa, Vera; Putra, Septia Eka Marsha; Simanullang, Astuti BP
Jurnal Media Elektro Vol 13 No 2 (2024): Oktober 2024
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v13i2.18286

Abstract

Water quality is one of the important factors to increase the success of aquaculture production besides disease factors and fish seed quality. Water quality in auaculture ponds greatly affects the growth, survival, and production of tilapia. Several factors that affect water quality are the acidity level (pH). The maximum pH value ranges from 6.5 to 8.5. This study aims to design an automatic water pH control system in tilapia ponds. The water quality control system in fish ponds is often done manually so it is less efficient. The system is designed by combining a pH sensor pump, and solenoid valves using ESP32 microcontroller. When the pH sensor detects a pH value of less than 6.5 or more than 8.5, the system will automatically change the water. The test results in the pond showed that the system was able to respond with the respective rise time and settling time values, namely 1240s and 1380s. Based on these results, it can be concluded that the pH control system that was built can function according to the design.
A Design Analysis of Shell and Tube Type Recuperator in Organic Rankine Cycle Power Plant with Low-Temperature Geothermal Steam Source MUHAMMAD RIFQI DWI SEPTIAN; Fitri Rusmaladewi; Friska Hasugian; Rozi Afdi; Dwi Miftha Kurnia; Stevy Canny Louhenapessy; Randy Yusuf Kurniawan; Setiadi Wira Buana
Journal of Petroleum and Geothermal Technology Vol. 6 No. 1 (2025): May
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jpgt.v6i1.15142

Abstract

Organic Rankine Cycle (ORC) power generation systems offer an effective means to harness low-grade geothermal heat. A crucial component in improving ORC thermal performance is the recuperator, which recovers residual heat from the turbine outlet to preheat the working fluid. This study focuses on the design and evaluation of a shell and tube recuperator using R-600a as the working fluid, through thermodynamic and heat transfer analyses. Key parameters such as LMTD (32.38 °F), effectiveness (0.434), and heat transfer area (60.35 m²) were calculated. Pressure drops were within acceptable limits (tube side: 4.46 psi; shell side: 0.475 psi), and the dirt factor of 0.0038 indicates good resistance to fouling. The results support the feasibility of implementing the proposed design in small to medium-scale geothermal ORC applications. Keywords: geothermal; ORC; recuperator; shell and tube; thermal analysis
Geomechanical Characterisation Analysis of Reservoirs Based on Well Logging Data for CO₂ Injection Applications Rusmaladewi, Fitri; Louhenapessy, Stevy; Hendrawan, Rezki Naufan; Kurnia, Dwi Miftha; Kurniawan, Randy Yusuf
Journal of Earth Energy Science, Engineering, and Technology Vol. 8 No. 3 (2025): JEESET VOL. 8 NO. 3 2025
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/7dve7558

Abstract

This study investigates reservoir geomechanical characterization for CO₂ injection applications in the Akimeugah Basin using well-logging and 2D seismic data as the basis for constructing a one-dimensional Mechanical Earth Model (MEM) for well FRD2. The main log data used include sonic logs (Vp, Vs), density, and other logs to calculate dynamic elastic parameters, rock strength (UCS, tensile strength), pore pressure, and in-situ stress profiles (Sv, SHmax, Shmin), which are then validated by horizon and fault interpretation from seismic sections. Analysis of stress polygons, stress profiles, and stereonet plots at depths of 3100–4000 ft indicates that the stress regime is dominated by Normal Faulting with a maximum horizontal stress direction (SHmax) of approximately 150°, with no indication of overpressure but with depth-dependent geomechanical sensitivity to changes in injection pressure. The evaluation results show that the deeper interval (around 4000 ft) exhibits higher rock strength, a wider safe pressure window, fracture gradients well above pore pressure, and narrower zones of potential failure, making it the most suitable and safest target for CO₂ injection, while the 3100–3500 ft interval remains prospective but requires stricter pressure control.
PEMANFAATAN TEKNOLOGI GEOFISIKA DAN PENGUATAN LITERASI MASYARAKAT UNTUK PENGELOLAAN AIR TANAH BERKELANJUTAN DI DESA JATIMULYO, KABUPATEN LAMPUNG SELATAN Paembonan, Andri Yadi; Kurnia, Dwi Miftha; Kurniawan , Randy; Louhenapessy, Stevy Canny; Afdi, Rozi; Rusmaladewi, Fitri; Septian, Muhammad Rifqi Dwi; Hasugian, Friska; Agustryani, Putri; Maula, Azman Munthoha
Jurnal Berkawan: Jurnal Pengabdian kepada Masyarakat Vol. 3, No.1, Januari 2026
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The availability of clean water is a crucial issue in Jatimulyo Village, South Lampung Regency, particularly during the dry season. Residents face difficulties accessing water sources due to a limited understanding of the subsurface groundwater potential. In response to this problem, a team from the Sumatra Institute of Technology (ITERA) conducted a community service activity aimed at mapping this groundwater potential. This activity utilized the geoelectric resistivity method to identify subsurface structures and determine the locations and depths of potential aquifers for drilled wells. In its implementation, the team collaborated with the local village government and involved participants from the Geophysical Engineering and Petroleum and Gas Engineering Study Programs. In addition to technical surveys, the team also conducted a socialization of their findings and provided education on groundwater utilization. This event, attended by residents, local neighborhood (RT) heads, and village officials, highlighted the importance of proper aquifer identification, well maintenance techniques, and strategies for ensuring water resource sustainability. This initiative received positive appreciation from the village head and residents, who hope the results of the ITERA study can provide a concrete solution to address the challenges of clean water availability in their region.
Development of Inflow Performance Relationship Equations Based on The Vogel and Eickmeier Methods Napitupulu, Welman Daud; Destarandra, Octa Rifallah; Louhenapessy, Stevy C.; Manurung, Wulan Indah Syari; Khadaffilam, Muhammad Rizqidina; Wicaksono, Abieza Septiawan
Journal of Earth Energy Science, Engineering, and Technology Vol. 9 No. 1 (2026): JEESET VOL. 9 NO. 1 2026
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/vd8hf144

Abstract

The conventional Vogel Inflow Performance Relationship (IPR) method, when applied to oil wells, exhibits substantial discrepancies relative to actual production data. Consequently, the Development of a more representative model is imperative to enhance the precision of well performance predictions. The objective of this study is to develop an IPR equation based on the Vogel and Eickmeier methods that better aligns with the characteristics of the reservoir under study. Accurate IPR evaluation is imperative for predicting oil production rates in response to variations in well bottomhole pressure, thereby supporting decision-making in production planning, flow-rate optimization, and field-development feasibility studies. The analysis results indicate that developing an IPR equation based on the Vogel and Eickmeier methods can reduce forecasting errors and accurately represent the relationship between oil production rates and well bottom pressure. Consequently, the developed IPR model can serve as a tool to aid in production management and further Development planning.
Co-Authors Afdi, Rozi Agustryani, Putri Alfian Hayu Sudibya Andri Yadi Paembonan Christio Revano Mege Destarandra, Octa Rifallah Dwi Miftha Kurnia Fitri Rusmaladewi Friska Hasugian Hendrawan, Rezki Naufan Khadaffilam, Muhammad Rizqidina Khoirunisa, Vera Kurnia, Dwi Miftha Kurniawan , Randy Manurung, Wulan Indah Syari Massolo, Leonardo Davinci Maula, Azman Munthoha MUHAMMAD RIFQI DWI SEPTIAN Napitupulu, Welman Daud Praditya Nugraha Randa Putra Jusmal Melato Randy Yusuf Kurniawan Rozi Afdi Rusmaladewi, Fitri Septia Eka Marsha Putra Septian, Muhammad Rifqi Dwi Setiadi Wira Buana Simanullang, Astuti BP Wicaksono, Abieza Septiawan Yudha Gusti Wibowo