Equinor gains nod to use Songa rig for Trestakk drilling

  • Exploration & Production

Norwegian oil company Equinor has received consent from the Petroleum Safety Authority (PSA) to use the Songa Enabler rig for production drilling on the Trestakk field in the Norwegian Sea.

The PSA said on Thursday that the consent applied to the drilling and completion of new wells, workover and well intervention on the Trestakk field.

According to the safety body, the drilling operations will begin in autumn 2018 and last around 350 days.

As for the rig, the Songa Enabler is a semi-submersible drilling rig of the CAT D type. It was delivered by the Daewoo yard in South Korea in 2016 and is registered in Norway. The rig was issued with an Acknowledgement of Compliance (AoC) by the PSA in July 2016.


The Trestakk field

Trestakk is in the Norwegian Sea, 20 kilometers south of Åsgard. The field is in development, with Equinor as the operator. Production is scheduled to begin in 2019.

The development concept comprises a subsea template with four well slots and a satellite well, tied back to the Åsgard A facility for processing and gas injection.

The investment for the development of Trestakk is calculated at $641 million with expected recoverable volumes are 76 million barrels of oil equivalent, mainly oil.

Equinor submitted the PDO to the minister of petroleum and energy on November 1, 2016. Following the plan submission, Aker Solution was awarded a topside contract while TechnipFMC received an integrated engineering, procurement, construction, and installation (EPCI) contract for the development.

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