Petrel
Yona Akbar
Geoscientist
Depok
Summary
Senior Geophysicist with 15+ years of hands-on experience in the upstream oil & gas industry, specializing in Play-Based Exploration (PBE) strategy to unlock new hydrocarbon potential across Indonesian basins. Proven track record in leading multidisciplinary teams for prospect maturation, block acquisition, and seismic programs (2D/3D). Experienced in basin screening, petroleum system evaluation, and prospect de-risking in both frontier and mature areas. Published author and technical contributor in IPA and HAGI forums.
Overview
16
16
years of professional experience
3
3
Certifications
1
1
Language
Work History
Exploration Manager
ASERRA PETROLINDO GEMILANG
06.2022 - Current
- Spearheaded exploration team using Play-Based Exploration approach to reassess petroleum system elements in West Kampar Block.
- Led prospect and lead maturation through basin modeling, migration pathway analysis, seal integrity evaluation, and trap identification.
- Oversaw seismic acquisition, interpretation, and reprocessing (remastering of vintage data) for subsurface model refinement.
- Delivered ranked prospect portfolio with full volumetric and risk assessments to support PoD preparation and exploration drilling plans.
- Successfully secured block award during Indonesian licensing round, leveraging joint study results.
Geophysicist
PERTAMINA EP
06.2018 - 05.2022
- Applied PBE framework in evaluating step-out and deeper potential in mature fields (e.g., Ketaling, Kambitin).
- Integrated seismic interpretation with rock physics and AVO inversion for prospect de-risking.
- Contributed to discovery of new shallow gas reservoir in Air Benakat Formation (>6 MMSCFD production) (Belimbing, Limau Tengah, Limau Barat, Karangan Area).
- Collaborated in petroleum system reevaluation and static model generation across multiple fields (Kambitin, Ketaling Timur and Barat, Limau Area, Randegan).
Technical Geoscientist
IKONSCIENCE MALAYSIA
01.2014 - 02.2015
- Performed rock physics and pore pressure studies to support early-stage play evaluation and well planning in Madura Basin.
- Executed 1D-2D-3D AVO modeling and seismic inversion for gas prospect delineation in carbonate systems.
Exploration & Development Geophysicist
MEDCO E&P INDONESIA
01.2010 - 12.2013
- Led prospect generation based on play mapping (carbonate build-up, stratigraphic traps) for Arung, East Temelat, and Hijau Fields (delineation).
- Conducted basin-scale prospect and lead ranking using GCoS and petroleum element analysis.
- Involved in seismic parameter design, acquisition, and processing QC supporting evaluation in South Sumatra.
- Designed, proposed and performed VSP design acquisition as wellsite geophysicist.
Education
MSc - Petroleum Geoscience
NTNU
01.2018
BSc - Geophysical Engineering
ITB
01.2009
Skills
- Play-Based Exploration (PBE) Workflows & Basin Screening
- Petroleum System Analysis & Lead/Prospect Maturation
- Structural & Stratigraphic Seismic Interpretation (2D/3D)
- Seismic Attribute Analysis (AVO, Inversion, Rock Physics)
- Prospect & Lead Inventory and Ranking (GCoS, Volumetrics)
- Static Modeling & Depth Conversion
- Software: Petrel, RokDoc, Hampson-Russell, GeoFrame, PROMAX, Python
Certification
PTK-007 Procurement Certificate (Valid until May 2026)
Publications
- “Air Benakat Formation Shallow Gas Discovery”, IPA 2022
- “Fractured Basement Sweet Spot”, IPA 2021
- “Lithology Distribution via 1D Stochastic Inversion”, JCB 2021
- “Structural Uncertainties in Mature Field”, AAPG 2019
- “Calcareous Siltstone Prospectivity”, HAGI 2012
Software
HRS
Rokdoc
Office utilities
Python
Timeline
Exploration Manager
ASERRA PETROLINDO GEMILANG
06.2022 - Current
Geophysicist
PERTAMINA EP
06.2018 - 05.2022
Technical Geoscientist
IKONSCIENCE MALAYSIA
01.2014 - 02.2015
Exploration & Development Geophysicist
MEDCO E&P INDONESIA
01.2010 - 12.2013
BSc - Geophysical Engineering
ITB
MSc - Petroleum Geoscience
NTNU
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