Total makes major 1tcf offshore gas discovery

The new discovery, off the shore of the UK, holds recoverable resources estimated at one trillion cubic feet.

The oil major made a 1tcf discovery offshore UK.
The oil major made a 1tcf discovery offshore UK.

Total announced today a major gas discovery on the Glendronach prospect, located offshore U.K. West of Shetland. It has estimated recoverable resources of about one trillion cubic feet of gas.

“Glendronach is a significant discovery for Total which gives us access to additional gas resources in one of our core areas and validates our exploration strategy. Located on an emerging play of the prolific West of Shetland area, the discovery can be commercialized quickly and at low cost by leveraging the existing Laggan-Tormore infrastructure,” stated Arnaud Breuillac, president of exploration & production at Total.

Preliminary tests confirm good reservoir quality, permeability and well production deliverability. The well was drilled to a final depth of 4,312 meters and encountered a gas column of 42 meters of net pay in a high quality Lower Cretaceous reservoir.

Located on Block 206/04a, in water depth of about 300 meters and in a formation below the Edradour reservoir, the discovery can be developed quickly with the existing infrastructure around the Edradour field and the Laggan-Tormore facilities of the Shetland Gas Plant.   

The Glendronach discovery is operated by Total E&P UK with a 60% interest alongside partners Ineos E&P UK Limited (20%) and SSE E&P UK Limited (20%).

Total already operates offshore UK fields in three major zones, the Alwyn/Dunbar area in the Northern North Sea, the Elgin/Franklin area in the Central North Sea and the Laggan-Tormore hub in the West of Shetland area, and from recently acquired Maersk Oil assets.  


Total also operates the Culzean gas field (formerly Maersk Oil operated) with a 49.99% working interest, which isscheduled to start-up in 2019. 

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