Country Report
Croatia upstream summary
*Please note that this report only includes an Excel data file if this is indicated in "What's included" below
Report summary
A medium-sized mature producer - Onshore operations date back to the early 20th century. Most of Croatia's current oil and gas output is still onshore, largely from deposits in the regionally prolific Pannonian basin. Fields in the Adriatic Sea also underpin gas supply, but offshore production peaked in the 2010s. INA is the leading upstream operator, with few IOCs active - INA is Croatia's main resource holder and dominant producer of oil and gas, both onshore and offshore. It was ...
Table of contents
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INA
- Overview
- Ownership structure
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IOCs
- Onshore
- Offshore
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Introduction
- Onshore
- Offshore (Adriatic Sea)
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Onshore - Pannonian sub-basins
- Drava Depression
- Eastern Slavonia Depression
- Mura Depression
- Sava Depression
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Offshore - Adriatic Sea
- Overview
- Structures
- Reservoirs
- Hydrocarbon quality
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Licensing
- PSC duration
- Relinquishment
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Recent licencing
- Onshore
- 1st onshore bidding round (2014-15)
- 2nd onshore bidding round (2018-19)
- 3rd onshore bidding round (2019)
- 4th onshore bidding round (2023)
- 5th onshore bidding round (2025)
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Offshore
- 1st offshore bidding round (2014-15)
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Historical licensing (pre-2014)
- Onshore
- Offshore
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Drilling
- Drilling activity
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Key recent E&A activity
- Onshore (Pannonian basin)
- Offshore
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Key future E&A activity
- Onshore
- Offshore
- 20 more item(s)...
Tables and charts
This report includes the following images and tables:
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Liquids and gas reservesReserves by Sector at 01/01/2026Reserves by Basin at 01/01/2026
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Resources by Sector at 2026Capital Expenditure by Region (US$ Million) 2016-2025Operating Expenditure by Region (US$ Million) 2016-2025Remaining Reserves and Contingent Resources at 01/01/2026Liquid and Gas Production 2026Net Acreage 2026Croatia basin mapCroatia current licencesCroatia - E&A wells by type
- 6 more item(s)...
What's included
This report contains:
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