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All Journal Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Scientific Contribution Oil and Gas
Fahrizal Maulana
Unknown Affiliation
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Library & Information Science

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PRESENSI SISWA MENGGUNAKAN QR CODE DAN SMS BROADCAST BERBASIS WEB Sherly Christina; Agus Sehatman Saragih; Fahrizal Maulana
JURNAL TEKNOLOGI INFORMASI Vol 13 No 1 (2019): Jurnal Teknologi Informasi (JTI)
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.37 KB)

Abstract

Student attendance is one of the factors that need to be controlled by the School to maintain Indonesian resources. Therefore a school needs a system that can be used, for handles the students attendance data and distributes it to the parents. This necessity can be facilitated by building an online attendance system for the students. The online attendance system uses QR Code and Broadcast Short Message Service (SMS). The online attendance system used Waterfall methodology phases  as the system development  phases. Afterward  the system performance is evaluated using the black-box testing. The results test using black-box testing show that the system can accomplish the purpose of this research to meet the need of the School in collecting the student attendance data and distributing the information of the students attendance data to the parents. This system uses QR Code and the results of collecting the student attendance data are sent by the system through Broadcast SMS to parents.
PRESENSI SISWA MENGGUNAKAN QR CODE DAN SMS BROADCAST BERBASIS WEB Sherly Christina; Agus Sehatman Saragih; Fahrizal Maulana
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 13 No. 1 (2019): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v13i1.288

Abstract

Student attendance is one of the factors that need to be controlled by the School to maintain Indonesian resources. Therefore a school needs a system that can be used, for handles the students attendance data and distributes it to the parents. This necessity can be facilitated by building an online attendance system for the students. The online attendance system uses QR Code and Broadcast Short Message Service (SMS). The online attendance system used Waterfall methodology phases as the system development phases. Afterward the system performance is evaluated using the black-box testing. The results test using black-box testing show that the system can accomplish the purpose of this research to meet the need of the School in collecting the student attendance data and distributing the information of the students attendance data to the parents. This system uses QR Code and the results of collecting the student attendance data are sent by the system through Broadcast SMS to parents.
Mature Field And Well Revitalization: Selection Of Well Candidates For Matrix Acidizing Amega Yasutra; Jon Felix Turnip; Fahrizal Maulana; Sri Dwi Mustaqim
Scientific Contributions Oil and Gas Vol. 47 No. 1 (2024): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

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Abstract

The author was motivated to conduct this study due to a notable drop in the production of mature fields in Indonesia. This decline in production can be attributed to several factors, including reservoir heterogeneity, resulting in an uneven distribution of fluids and pressure within the reservoir. Well-stimulation techniques such as matrix acidizing can be employed to increase well production. With matrix acidizing, acid is injected into the formation surrounding the wellbore to dissolve minerals and improve permeability, thereby increasing the flow of fluids from the well. Before implementing this method, the well screening process must be conducted to optimize workflow efficiency and ensure that the wells are suitable for matrix acidizing. This paper presents a comprehensive workflow to identify the most qualified candidates for matrix acidizing. The heterogeneity index (HI) concept is used to classify the well's condition and other parameters, such as the well's estimated ultimate recovery (EUR). After obtaining a short list of wells, nodal analysis, well design for matrix acidizing, and potential gain calculation from stimulation results are performed. The study evaluated 24 wells and identified three suitable candidates for matrix acidizing, all showing significant production increases according to the production data. This study proves that using the HI concept for well selection and matrix acidizing stimulation can effectively raise well productivity in Indonesia's mature oil fields.
Co-Authors Agus Sehatman Saragih Amega Yasutra Anak Agung Istri Sri Wiadnyani Jon Felix Turnip Sherly Christina Sri Dwi Mustaqim