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Theresia Tambunan

@theresiatambunan

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Geological engineer skilled in petrophysics, data analysis, and AI-focused data labeling.

Indonesia

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What I'm looking for

I seek roles where I can apply petrophysics and data-analysis skills, contribute to AI/data-labeling projects, work in collaborative technical teams, and continue professional growth.

I am a Geological Engineering graduate from Bandung Institute of Technology with hands-on experience in petrophysical analysis, reservoir evaluation, and application support. I combine strong analytical thinking with disciplined time management and clear English communication to deliver accurate, data-driven results.

In industry roles I evaluated 59 wells, applied new porosity and shale cutoffs to improve interpretation accuracy, performed pore-pressure and petrophysical analyses, and supported software testing and client operations. I adapted to shift-based systems, led well data monitoring efforts, and contributed to drilling plans using ArcGIS and Corel Draw.

I bring a proactive, dependable work ethic, a growing interest in AI and data annotation, and proven ability to work independently or in multicultural teams. I am eager to contribute technical rigor and continuous-learning mindset to data labeling, AI development, or subsurface interpretation roles.

Experience

Work history, roles, and key accomplishments

Junior Application Support

Geologix Limited

Dec 2022 - Dec 2023 (1 year)

Provided software service support and training, monitored and ensured seamless data streaming from third-party services, and performed petrophysical and pore-pressure gradient analyses to support reservoir evaluation and client deliverables.

Application Support Petrophysics Pore Pressure Analysis Software Testing Troubleshooting Training

Junior Geologist Freelancer

PT Oretrend Adimitra Konsultan

Oct 2022 - Dec 2022 (2 months)

Mapped target coal seam locations using ArcGIS and CorelDRAW, produced drilling point plans and analytical cross-sections that enabled successful coal extraction under tight deadlines.

ArcGIS CorelDraw Cross Sectional Correlation Targeting Time Management

Petrophysicist Intern

Pertamina Hulu Mahakam

Apr 2022 - Oct 2022 (6 months)

Evaluated 59 wells using updated porosity and shale cutoffs to improve interpretation accuracy, analyzed reservoir connectivity, and contributed to fluid analysis planning and field development decisions.

Well Evaluation Porosity Analysis Shale Cutoff Reservoir Connectivity Fluids Analysis Subsurface Interpretation Technical Reporting

Education

Degrees, certifications, and relevant coursework

Bandung Institute of Technology

Bachelor of Science, Geological Engineering

2016 - 2021

Grade: 3.19

Activities and societies: Held leadership roles in the Himpunan Mahasiswa Teknik Geologi (HMTG GEA) including Head of Scholarship and Financial Department and managed financial operations for graduation events.

Completed a Bachelor of Science in Geological Engineering with a focus on petrophysical and reservoir analysis, graduating with a 3.19 GPA.