Webinova.id
Six web apps on one platform for Indonesian students and lecturers: exam tryouts, expense splitting, a money tracker, a learning-style test and AI planning tools. Built solo, launching soon.
- Flask
- Firestore
- Midtrans
Open to Opportunities & Projects
Hello, I'm
Alfan Rizki Maulana
Petroleum Engineer & Subsurface ML Developer
Petroleum Engineering graduate from ITB. I work on subsurface reservoir data, physics-constrained machine learning, and the software around them.
B.Eng Petroleum Engineering, ITB (2026)
Connecting subsurface reservoir physics with data science, machine learning & software engineering.
Thesis: finding undrained oil zones where there is too little data to train a model normally
Medco E&P: rule-score + ML pipeline for undrained saturation across Sand X
Built and run the web tools my department uses (Kompatra, Patra-Q, PATRA)
Who's typing
Between the subsurface and the code.
I'm Alfan Rizki Maulana A.K.A Alrim, most people just call me Alfan. I graduated in Petroleum Engineering from Bandung Institute of Technology (ITB) in 2026, having written my thesis on identifying undrained reservoir zones in a mature waterflooded field.
The work I like sits between two things: subsurface physics and code. At Medco E&P I built a screening pipeline that found undrained oil from about 300 lines of data, because there was never going to be enough to train a model the normal way. That constraint is the interesting part.
Selected work
Projects I'm proud of
Web apps, calculators and the research behind them.
Capstone: Field Plan of Development
A five-person development plan for a Baturaja carbonate oil field in South Sumatra. My modules: the PIPESIM pipeline network, the Saphir well test and the HSE section.
- PIPESIM
- Kappa Saphir
- Field development
Undrained Reservoir Zone Identification
My thesis. How much of a waterflood's sweep can you reconstruct without running a reservoir simulator?
- Python
- resdata
- SciPy
Patra Homeland
Multiplayer gamified quiz and gacha character app built for Komisariat HMTM 'PATRA' ITB.
- Firebase
- React
- Gamification
Experience & education
Where I've worked and studied
An internship in the field, a degree that ended in a thesis I'm proud of, and the jobs that paid for it.
- MEDCOAug 2025
Reservoir Engineer Intern
Medco E&P Indonesia
Built a rule-score + ML pipeline to detect undrained saturation zones across Sand X using limited data (~300 lines of well thickness, PVT and historical production). Applied Gaussian Superposition to spread pressure-derived saturation data from individual wells across the full field, working around the data limitation that made direct ML training infeasible. Georeferenced well data by converting raw images into usable .TIF and .SHP spatial files.
PythonExcelQGIS~300lines of data to build the model from - EXPERD2024 - 2026
Part-Time Admin Data Inputer
EXPERD Consultant
Processed 100+ confidential applicant data daily during 12-hour work sessions. Identified data quality patterns (e.g. inconsistent uploads) to flag candidate reliability characteristics for the review team.
ExcelExperd WebData Audit100+applicant records processed a day - CREATIVE2017 - 2023
Freelance Video Editor
Commercial & Business Clients
Edited commercial and personal video projects for wedding, jewellery and small business clients.
DaVinci ResolveCapCutKinemaster6 yrsof paid client video work
ITB2022 - 2026
Bachelor of Petroleum Engineering
Bandung Institute of Technology (ITB)
AGrade
Thesis
Undrained Reservoir Zone Identification in Mature Waterflooded Fields Using a Physics-Constrained Rule Score and Machine Learning
Certification · 2024
International Virtual Course: Decarbonization and Sustainable Energy
Petroleum Engineering Department, Institut Teknologi Bandung
Campus leadership
Head of Information, Member Services & ProDev Division
2025 - 2026Komisariat HMTM 'PATRA' ITB
Developed digital websites for organization members (Kompatra, Patra-Q, HMTM PATRA website) and shared PE educational insights.
Head of Publication & Documentation
2025Cirebon Festival ITB
Captured and edited grand opening videos for ITB Cirebon campus festival.
Head of Documentation & Design Division
2024Cifest 2024 (Cirebon Festival ITB)
Led the team that captured photos and videos of the event, and designed the posters and vouchers.
Head of Mobilization Division
June 2024Qurban Salman ITB 1445 H
Coordinated the mobilization for distributing beef and mutton on 17 June 2024.
Multimedia Team, Graduation Event
Oct 2024Komisariat HMTM 'PATRA' ITB
Produced the trailer for the October 2024 graduation event.
Creative Media Team (Medkraf)
2023 - 2025Komisariat HMTM 'PATRA' ITB
Part of the creative media team of the Petroleum Engineering student association.
Toolbox
Software & tools I use
Reservoir simulation, machine learning and full-stack web. Tags show where a tool was used on the job.
Reservoir & PE software
Specialty- tNavigator
- Petrel
- PIPESIM
- ECLIPSE
- Prosper
- Saphir (Kappa)
- IP
- PTA
- Landmark
Programming
- Python· Medco
- Java
- TypeScript
- JavaScript
- PHP
- HTML
- CSS
- OOP
Data & ML
- NumPy
- pandas
- SciPy
- scikit-learn
- Matplotlib
- resdata
Web & spatial
- Next.js
- React
- Flask
- Firebase
- Firestore
- Vercel
- Render
- Cloudflare
- Linux server
- Git
- SQLite
- Midtrans
- QGIS· Medco
Languages
- IndonesianNative
- EnglishProfessional, TOEFL 630
How I work
From physics to deployment
The same six steps whether the job is a reservoir study or a web tool.
- 01
Reservoir & Data Audit
Data extraction, well thickness, PVT & historical production data
- 02
Physics-Constrained ML
Sparse-graph shortest path & transmissibility matrix network
- 03
Spatial GIS Mapping
Georeferencing well data into spatial .TIF & .SHP files in QGIS
- 04
Web & Tool Architecture
Interactive frontend dashboards, Next.js & Python backends
- 05
Model Validation
ROC-AUC & precision-recall validation against simulator states
- 06
Handoff & Deployment
Production deployment, report documentation & user training
Combining Petroleum Engineering domain physics with machine learning and clean web architecture to solve complex subsurface challenges.
Hire me
What I can do for you
Small scopes done properly, rather than big scopes done eventually.
Reservoir Data & ML Screening
Physics-constrained machine learning pipelines for undrained hydrocarbon detection, production forecasting, and well log data processing.
Full-Stack Web & Tools Engineering
Modern web portals, dashboards, and custom desktop/web tools built with Next.js, React, Python, and Firebase.
Petroleum Software Operations
Practical proficiency in operating petroleum software such as PIPESIM, tNavigator, Petrel, PTA, and Prosper for engineering workflows.
Free tools
Tools you can use
Free apps I built and actually use.
From the blog
Recently written
Mostly about building small things and the decisions behind them.
Receipts
ITB
Petroleum Engineering, 2026
Grade A
Undrained Reservoir Zone Identification — Thesis
Volve & Sand X
Fields worked on