U.K. independent oil and gas company Harbour Energy has announced the sale of its interests in two offshore oil and gas projects in Indonesia for US$215 million to Prime Group.
Harbour said the agreement covers its 28.67 per cent interest in the producing Natuna Sea Block A field and its 50 per cent operated interest in the Tuna development project.
The sale is subject to regulatory approvals, with completion targeted for the second quarter of 2026.
Following completion of the deal, Harbour will maintain a presence in Indonesia through its interests in the Andaman Sea discoveries.
Harbour Energy Indonesia business unit managing director Steve Cox said: “This transaction marks a key milestone for Harbour in Indonesia and supports our strategy to focus capital and resources on our most competitive and material opportunities.
“It is also a significant moment for our colleagues in the country, whose hard work and commitment have built Natuna Block A and Tuna into high-quality assets over many years.”
As of December 31, 2024, Harbour projected best-estimate contingent resources of 54 million barrels of oil equivalent for the Tuna project.
Meanwhile, Natuna Sea Block A produced approximately 4,000 barrels of oil equivalent per day net in the nine months to 30 September 2025.
