
Javier Perez
@javierperez
I build subsurface solutions for oil, gas, geothermal, geologic hydrogen, and energy-transition projects.
What I'm looking for
At Ecopetrol, I lead innovation initiatives spanning upstream, midstream, downstream, and low-emissions energy, including geologic hydrogen feasibility and Colombia's first high-temperature geothermal pilot well.
Across Ecopetrol, Addax Petroleum, OMV, and Heinemann Oil, I've delivered reservoir characterization, seismic sequence stratigraphy, petrophysical evaluation, reserves estimation, and 3D static models for assets across Europe, Africa, the Middle East, and the Americas. I have also led remote, multidisciplinary teams and managed subsurface projects from technical assessment through planning, forecasting, and permitting.
With 23+ years in petroleum geoscience and a PhD in Petroleum Geology, I bring practical experience in conventional and unconventional reservoirs, geothermal, natural hydrogen, and emerging low-emission technologies.
Experience
Work history, roles, and key accomplishments
Innovation Leader & Senior Geologist
Ecopetrol S.A.
Jan 2018 - Present (8 years 8 months)
Leads cross-functional innovation team to pilot emerging technologies across energy business units. Led feasibility studies for natural hydrogen, high-temperature geothermal, and unconventional reservoirs.
Academic Professional Support
Universidad de Los Andes
Aug 2025 - Nov 2025 (3 months)
Provided expert academic support for the Unconventional Reservoirs module in the Petroleum Engineering MSc program.
Geoscientist & Reservoir Geologist
Addax Petroleum (SinoPec Group)
Sep 2013 - Dec 2017 (4 years 3 months)
Performed quality assurance and reserves estimation (SPE-PRMS) for West Africa and North Sea assets. Served as reservoir development geologist for offshore Nigeria and onshore Gabon fields.
Reservoir Geologist
OMV Exploration and Production GmbH
Dec 2010 - Sep 2013 (2 years 9 months)
Conducted seismic sequence stratigraphy, well-to-well correlations, and 3D facies and static modeling for multi-country projects. Applied workflows to fields in Romania, Pakistan, Kazakhstan, and Austria.
Geologist – Subsurface Project Services
Heinemann Oil GmbH
Dec 2007 - Sep 2009 (1 year 9 months)
Led business development and technical execution of subsurface modeling projects across the Middle East, North Africa, and South America. Performed seismic and well log interpretation, facies and petrophysical modeling for multiple international fields.
Geologist – Unconventional Reservoirs
OU – Devon Energy Corporation
Jan 2006 - Jul 2006 (6 months)
Performed high-resolution stratigraphic interpretation on well logs, core, and seismic; conducted well-to-well correlation and 2D modeling for Barnett Shale, Newark Field, Fort Worth Basin.
Geologist
Pathfinder Exploration
Aug 2005 - Nov 2005 (3 months)
Performed well log interpretation and well-to-well correlations for unconventional gas reservoir development.
Performed core, cuttings, and log description and correlation for geological survey research.
Field & Well Site Geologist
Integrated Geological Services – SGI Ltda.
Dec 2002 - Jun 2004 (1 year 6 months)
Prepared lithological log reports, geological cartography, and environmental reports for oil and gas drilling locations in the Upper Magdalena Valley basin.
Education
Degrees, certifications, and relevant coursework
University of Leoben
Doctor of Philosophy, Petroleum Geology
2007 - 2010
Ph.D. in Petroleum Geology with a thesis on reservoir characterization of the Lower Miocene Sediments, Matzen Field, Austria.
University of Oklahoma
Master of Science, Petroleum Geology
2005 - 2006
M.Sc. in Petroleum Geology with a thesis on high-resolution facies analysis of the Barnett Shale, Newark Field, Fort Worth Basin.
Universidad Nacional de Colombia
Bachelor of Science, Geology
B.Sc. in Geology with a thesis on the design and construction of the multi-horizon aquifer network for the Gigante Formation aquifers, Río Ceibas Field, Colombia.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
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