Sakarya Gas Field Development Project, carried out by Türkiye’s national energy company, Turkish Petroleum Corporation (TPAO), consists of Subsea Production System (SPS), the Onshore Production Facility (OPF), and Subsea Umbilical, Risers and Flow lines (SURF). Within this project’s scope, the first natural gas production was realized at Sakarya Gas Field in May 2023 and offloaded to the national grid via Pipelines Petrol Transport Corporation (BOTAŞ) shortly after all the necessary tests were completed.
The Sakarya Gas Field, where the natural gas was discovered in the Black Sea, 170 km offshore from Filyos in the province of Zonguldak, is located in the Exclusive Economic Zone (EEZ) of the Republic of Türkiye. As a result of its drilling activities in the Black Sea, in 2020, the Fatih drilling ship reached the first serious natural gas discovery of Türkiye in history with a total of 405 billion cubic meters (bcm) in the Tuna-1 well. Another 135 bcm of natural gas was discovered in the Amasra-1 well in 2021. In December 2022, the current reserve amount increased to 552 bcm with revaluation and reached 710 bcm in total, with 58 bcm of additional exploration in Çaycuma-1 well in the same month.
This study will reveal the paradigm shifts in the national energy policy that enabled the success of natural gas discovery, the reflections of the natural gas that will be converted into production on the energy supply security of Türkiye and its socio-economic contributions to the region, and the technical stages of the natural gas discovered in the open sea.
Key Words: Natural Gas, Energy Security, Sakarya Gas Field, Filyos Valley Project, Geopolitics
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