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LPPM Sekolah Tinggi Teknologi Migas
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petrogas@ejournal.sttmigas.ac.id
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Petrogas : Journal of Energy and Technology
Published by Sekolah Tinggi Teknologi Minyak dan Gas Bumi Balikpapan
ISSN : -     EISSN : 26565080     DOI : https://doi.org/10.58267/petrogas
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy
PETROGAS: Journal of Energy and Technology covers research articles including: Fossil Energy Renewable Energy Innovation of Technology Technology of Exploration & Exploitation Technology of Industrial Management in Energy Environmental
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol 6, No 1 (2024): MARCH" : 7 Documents clear
ANALISA EFISIENSI TURBIN PADA BEBAN MAKSIMAL DI PLTU PT. X UNIT 3 KAPASITAS 1 x 60 MW DENGAN PENDEKATAN SIKLUS RANKINE IDEAL REGENERATIF Subuhqi, Arryf Rahmad; Megawati, Eka; Warsa, I Ketut
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.164

Abstract

Efisiensi merupakan salah satu persamaan yang penting dalam termodinamika untuk mengetahui seberapa baik konversi energi atau proses, Pada beban maksimal yang akan dihitung adalah dari masing-masing sampel yang telah dianalisis dimana beban maksimal ini ialah kebutuhan dari listrik secara maksimum yang terjadi selama selang waktu tertentu, biasanya terjadi pada selang waktu 15 menit, selang waktu 30 menit, atau dalam hal tertentu dapat berselang waktu hingga 60 menit. Tujuan dari laporan ini ialah Mengetahui Efisiensi Turbin di PLTU PT. X Unit 3 Kapasitas 1 × 60 MW pada kondisi beban maksimal dengan pendekatan siklus rankine ideal regenerative, metode   yang digunakan ialah dengan perhitungan secara manual dan dengan Microsoft excel. Berdasarkan hasil analisa data dan perhitungan pada 4 sampel maka dapat disimpulkan bahwa pada sampel 1 dengan beban generator sebesar 54,04 MW, didapatkan effisiensi turbin sebesar 83,76 %, Pada sampel 2 dengan beban generator sebesar 58,77 MW, didapatkan effisiensi turbin sebesar 85,56 %. Pada sampel 3 dengan beban generator sebesar 55,91 MW, didapatkan effisiensi turbin sebesar 84,82 %. Pada sampel 4 dengan beban generator sebesar 58,03 MW, didapatkan effisiensi turbin sebesar 86,56 %.
STUDI LUMPUR PEMBORAN MENGGUNAKAN CANGKANG TELUR UNTUK MENGETAHUI RHEOLOGY LUMPUR PEMBORAN PADA TRAYEK 8-1/2´´ HOLE UJI LABORATORIUM Rante, Wandi Allo; Afifah, Rohima Sera; Kurmaselia, Aprilino Alfa; El Ridlo, Nuruddin Kafy
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.165

Abstract

This study examines the use of water-based mud (WBM) in well drilling. It specifically focuses on enhancing the rheology of WBM that meets API 13A specifications by incorporating calcium carbonate (CaCO3) at concentrations of 2.5% and 7.5%. The primary objective is to compare the original rheology of the WBM adhering to API 13A standards with the modifications following the addition of CaCO3. The methodology employed includes laboratory tests to gather data, testing mixtures of the original mud with added CaCO3, and evaluating the impact on mud properties such as viscosity and density. The results are expected to determine the optimal additive concentration to improve mud performance in drilling operations.
STUDI LABORATORIUM ANALISIS PENGARUH PENAMBAHAN FRACSEAL DAN KALSIUM KARBONAT (CACO3) UNTUK MENGATASI LOST CIRCULATION TERHADAP LUMPUR PEMBORAN Pasarrin, Yonatan Rumpang; Amiruddin, Amiruddin; Ulfah, Baiq Maulinda; Laby, Dharma Arung; Afifah, Rohima Sera
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.163

Abstract

Lumpur Pemboran merupakan salah satu sarana yang penting dalam operasi pemboransumur-sumur minyak dan gas bumi. Pada proses pemboran berlangsung biasanya terdapat berbagai kendala, salah satunya adalah terjadinya Lost Circulation. Lost Circulation adalah hilangnya sebagian atau seluruh fluida pemboran saat sirkulasi sedang berlangsung. Lost circulation terjadi karena rekahan pada dinding pemboran baik rekahan yang terjadi secara alami atau secondary. LCM (Lost Circulation Material) adalah suatu metode yang digunakan untuk menanggulangi Lost Circulation dengan menambahkan sejumlah material pemberat kedalam lumpur pemboran ataupun dengan cara memompakan sejumlah material pemberat kedalam formasi lost. LCM yang digunakan pada penelitian ini adalah Fracseal dan CaCO3. Cara Kerja dari CaCO3 dan Fracseal ini terhadap lost circulation adalah dengan cara menutup pori pori atau zona rekahan formasi sehingga fluida tidak masuk kedalam formasi. Pada penelitian ini, pengaruh LCM terhadap filtrat lumpur pemboran mengalami penurunan jumlah filtrat yang hilang, pada pengujian 3% LCM mengalami penurunan filtrat dari 7 ml/ 30 menit menjadi 5 ml/ 30 menit, dan untuk 5% LCM mengalami penurunan menjadi 4,6 ml/ 30 menit. 
PEMROGRAMAN SISTEM KEAMANAN WEB ADMINISTRATOR BERDASARKAN IP PUBLIK BERBASIS IOT (INTERNET OF THINGS) Nurjanah, Nurjanah; Hamsir, Hamsir; Zein, Muhammad Ibnu; Oktafiani, Fitri
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.167

Abstract

This research offers an innovative solution for implementing an IoT (Internet of Things) based web administrator security system. This research uses a wiring design that has been realized, the system can monitor and control access to the administrator dashboard based on the public IP address of the accessor. Using Lolin (WeMos) D1 R1 as a microcontroller and I2C LCD for data display, users can easily manage web access efficiently. Through the Arduino IDE application using the C/C++ programming language, this system can be set up with setup and loop functions, ensuring proper initialization and repeated processing of access requests. The test results of this system successfully demonstrated its ability to detect unauthorized access and block it with a fast response. An unknown IP will be detected on the system and turn on the alarm/buzzer and the public IP will appear on the LCD. Easy access control via tactical buttons works to block unauthorized access. This system also sends notifications via the Telegram application, providing greater convenience and control for users. In its development, this system can be applied and combined with various devices as a control and security system.
Microbial Enhanced Oil Recovery: Literature Review Ulfah, Baiq Maulinda; Fathaddin, Muhammad Taufiq; Setiati, Rini
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.169

Abstract

The demand for fossil fuels continue to increase, this encourages the production of hydrocarbons to be increased as well. Enhanced Oil Recovery is one option that can be considered to overcome this high demand. Technical complexity and sophisticated technology are commonly used in EOR implementation. This has become one of the obstacles to implement EOR, one of which is the requirement relatively large funding. Microbial Enhanced Oil Recovery is one method that can be considered as a technology that can fulfill commercial production gains and the resulting environmental impact is lower than other EOR methods. MEOR uses micro-organisms whose metabolism results can change the physical properties in the reservoir so that oil production can be increased.
MENGGESER TITIK FOKUS LENSA PLASMONIK SPIRAL DENGAN MENGUBAH PANJANG GELOMBANG CAHAYA DATANG Oktafiani, Fitri
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.150

Abstract

Plasmonic structures are metal-based structures characterized by plasmon oscillations in the electron conduction band in response to external radiation. This structure has strong light absorption and light scattering as well as electromagnetic field amplification at short distances (near-field). Based on these advantages, improving the focusing performance of surface plasmonic polariton waves is urgently needed. The sharp focus with strong intensity has been used for various applications, including nanoimaging, nanolithography, and optical tweezers. In this research, we use a spiral plasmonic lens combined with a groove ring and the incident beam has a circular polarization direction (circular polarization). The spiral plasmonic lens functions to generate plasmonic waves, while the groove ring functions to spread plasmonic waves on the surface to the focal point with a certain curve in the z-axis direction (far-field). Parameter optimization is carried out by varying the position of the ring groove. Two waves are used to shift the focus point, namely 1064 nm and 1280 nm. The focal point experiences a range of +500 nm on the z-axis when the waveform is changed. However, the intensity of the focal point at the 1280 nm wave is lower than at the 1064 nm wave. This is in accordance with the theory that when the focal point is further away from the surface structure, the intensity decreases. Shifting the focal point by changing waves can be used in several applications, one example is for manipulating microparticles in two different places.
PENENTUAN REMAINING LIFETIME NET GAS WASH COLUMN BERBASIS LAJU KOROSI INTERNAL DI HYDROCRACKING TREATMENT UNIT PLANT 5 Risna, Risna; Siwi, Riedel Tryxie; Manik, Nijusiho; Oktafiani, Fitri
PETROGAS: Journal of Energy and Technology Vol 6, No 1 (2024): MARCH
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v6i1.166

Abstract

Corrosion on the internal equipment of the Net Gas Wash Column is the thinning of the material which, if prevention or control is not carried out, will cause damage or leaks to the equipment. Internal corrosion of equipment such as Net gas wash columns is a common problem in industries that use chemical processes or gas processing. Corrosion occurs when metal materials react with the surrounding environment, such as gases involved in the process, moisture, or other chemicals. Several factors that can cause internal corrosion of equipment such as the Net Gas Wash Column include environmental conditions, material properties, temperature and pressure and the presence of water or humidity. This research aims to determine the corrosion conditions that occur, the impact of corrosion rate, thickness thinning, and the relationship between corrosion rate and remaining lifetime. This research uses a non-destructive testing method, namely the Ultrasonic Test. The results of the analysis and calculations were obtained for the corrosion rate that occurred on the Net Gas Wash Column tool, namely shell 0.11 mm/year and head 0.3 mm/year which was caused by temperature and working flow rate. The direct impact of corrosion is equipment damage and the indirect impact is the costs incurred to replace the equipment. The remaining lifetime for the shell and head is 69 years and 40 years. When the remaining lifetime decreases, the depletion caused by the H2S compound and the corrosion rate will increase immediately. From the results of this research, the relationship between the causes, impacts and corrosion rates on the remaining lifetime of the Net Gas Wash Column equipment can be identified and analyzed.

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