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Yme SLS

The Yme field in the Norwegian sector of the North Sea is a small offshore oil development with a jack-up drilling and production unit (e.g. Maersk-Inspirer) tied to subsea infrastructure. It utilises a Submerged Loading System (SLS) to export oil to shuttle tankers. Production recommenced in 2021 after redevelopment following earlier abandonment.

Operator: Repsol Norge AS

Status: Decommissioned

Yme SLS platform photo

Image Source: Repsol Norge AS. (All rights belong to the original owner.)

Production: Oil

Operations start: 2008

Water depth: 93 m

Country: Norway

Block: 9/2

Type: Semi-sub

Field

Yme lies in the Egersund Basin ~130-km off Norway, with two main structures (Gamma, Beta) separated by ~12-km in ~100-m water depth. Discovered in 1987, the field's reservoirs are in Middle Jurassic Sandnes Formation sandstones (~3,150-m below seabed). The field is produced via pressure support from water injection and water-alternating gas injection.

Facilities

The Yme field's facilities are centred on a mobile offshore drilling and production unit fitted with processing modules, supported by subsea wells on Gamma and Beta templates tied back via flowlines and control umbilicals. The system includes subsea storage tanks and a submerged loading system (SLS) that allows dynamic positioning shuttle tankers to offload crude without a fixed riser tower. Production wells deliver hydrocarbons to the topside for primary separation and stabilisation; produced water is managed and reinjected or treated. Utility infrastructure on the jack-up includes power generation, crude and hydrocarbon handling systems, and instrumentation for subsea controls. Export infrastructure integrates with tanker operations, as there are no fixed export pipelines for oil or gas; gas, if present, is typically reinjected. Structural design accommodates North Sea environmental loads, with safety systems conforming to Norwegian safety regulations.

Yme SLS layout
Image Source: Repsol Norge AS. (All rights belong to the original owner.)

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