Sakarya accelerated field delivery

First gas in less than 3 years in a challenging frontier environment.
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Turkey, Europe

Following the discovery of Sakarya Field in 2020, Turkish Petroleum needed a proven subsea solution that would accelerate the development of its largest gas reserve, located at a water depth of 2,100 m in the Black Sea. In Phase 1, Subsea Integration Alliance and SLB delivered integrated pore-to-shore solutions, bringing online 10 wells producing 10 million m3/d and an early production facility; and first gas was achieved on schedule in early 2023. Phase 2, which is scheduled for delivery in 2028, plans for an additional 26 wells to boost production capacity while continuing to help Turkey reduce its reliance on foreign energy sources.

30

months from discovery to delivery.

36

wells at project completion.

30%

of Turkey’s natural gas demand to be supplied .

Increasing energy independence by accelerating first gas

Deepwater gas production has become a viable economic option to help meet the growing demand for energy while providing a more sustainable and cost-effective transition to cleaner energy sources. For Turkey, the Sakarya deepwater gas field—the country’s largest gas field —represents an opportunity to reduce its reliance on foreign natural gas. The field is expected to supply as much as 30% of the country’s energy demand.

Leveraging integrated field development to derisk project timeline

Subsea gas field developments with long tiebacks are highly complex projects that require a greater level of integration and coordination than onshore or shallow-water fields. For the Sakarya project, with its 170-km export pipeline connected to an onshore production facility, Turkish Petroleum and Subsea Integration Alliance worked closely from the beginning of the project to evaluate development options while rigorously assessing and mitigating key risks. This early collaboration enabled the development of a robust system design and the securing of market capacity at the pre-FEED stage. Combined with use of standard equipment designs, which significantly reduced manufacturing lead times, this crucial integration of operator and contractors helped avoid delays across various project stages and enabled the team to meet the accelerated timeline.

Setting a new industry record for greenfield development

Phase 1 of the Sakarya integrated field development project comprised 10 wells and was completed in record time. First gas was achieved in Q1 2023, less than 3 years after discovery to delivery, and the complete pore-to-grid solution has a total capacity of 10 million m3/d. The project has already stimulated Turkey’s domestic oil and gas industry, creating 2,000 direct and 5,000 indirect jobs.

An additional 26 wells to boost production capacity by 30 million m3/d are planned for Phase 2. Following project completion in 2028, it is estimated that 30% of Turkey’s natural gas demand will be met by Sakarya Field, boosting the country's energy independence.

About Subsea Integration Alliance
Subsea Integration Alliance is a strategic global alliance between OneSubsea and Subsea7, bringing together field development planning, project delivery, innovative contracting models, and total life cycle solutions under the world’s leading subsea technology and services portfolio.

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