Thailand’s Department of Mineral Fuels ratified the concession, which covers 87.74 sq km (34 sq mi).
Rossukon is in the G6/48 license in the Karawake basin, north of the G10/48 license where the KrisEnergy-operated Wassana oil field started production in August.
Earlier this year the company drilled two exploration wells and two side tracks in the Rossukon area, each encountering oil and gas, in addition to volumes from the original discovery in 2009.
Chris Gibson-Robinson, KrisEnergy’s director exploration & production, said: “We have six licenses in the Gulf of Thailand, four of which are now in production following the start-up of the Wassana and Nong Yao fields this year.
“The approval of the Rossukon PAA is a step closer to getting our fifth field into development and production in the near term.”
Partners in G6/48 are Northern Gulf Petroleum and Mubadala Petroleum.
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