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All Journal Journal of Petroleum and Geothermal Technology Journal of Sciencce Technology and Visual Culture
Stevy Canny Louhenapessy
Institut Teknologi Sumatera
Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Energy Engineering

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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.
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
Co-Authors Alfian Hayu Sudibya Dwi Miftha Kurnia Fitri Rusmaladewi Friska Hasugian MUHAMMAD RIFQI DWI SEPTIAN Randa Putra Jusmal Melato Randy Yusuf Kurniawan Rozi Afdi Setiadi Wira Buana Yudha Gusti Wibowo