Abu Dhabi Marine Operating Company (Adma-Opco) has extended the deadline for commercial bids for the largest package on its offshore Satah al-Razboot (Sarb) full field development.

Contractors have been asked to bid for the estimated $3bn fourth package by 10 December after the cut-off date was extended from 26 November, according to a company active on the project. The scope of the package covers the construction of a plant to process the estimated 100,000 barrels a day (b/d) of crude production planned at the Sarb field.

Companies that submitted technical bids for the engineering, procurement and construction (EPC) contract in July included South Korean groups GS E&C, Hyundai Heavy Industries and Samsung Engineering, Japan’s JGC, UK-based Petrofac, Italy’s Saipem and French contractor Technip.

On 5 November, Adma-Opco received bids on the estimated $600m Sarb package three, which covers the construction of wellhead towers and platforms.

The project is part of Adma-Opco’s plan to add 300,000 barrels a day (b/d) of additional production from four new offshore fields, with about 100,000 b/d coming from both Sarb and Umm al-Lulu, which are being developed in tandem.

Adma-Opco is majority-owned by the state-run Abu Dhabi National Oil Company (Adnoc), with minority stakes held by UK-based BP, France’s Total and Japan Oil Development Company (Jodco).