Type:
Oil
Facility:
Production
Water Depth:
155
Installed:
1979
meters
Block:
211/26a
Design:
Gravity-based concrete
Sub Structure:
294655
Topsides Wgt:
25600
tonnes
tonnes
Intro
Cormorant South A is understood as part of the Cormorant oilfield infrastructure in the East Shetland Basin of the UK North Sea. The primary fixed installation in the area is Cormorant Alpha, serving Cormorant South (and North) accumulations with oil and gas production and export functions.
Field
The Cormorant oilfield, in Block 211/26a, is a conventional oil accumulation discovered in 1972 producing from deeper reservoir sandstones. Development centers on concrete gravity platforms that host drilling, production and export facilities feeding the Brent System and associated pipelines.
Facilities
The broader Cormorant infrastructure includes gravity base platforms (e.g., Cormorant Alpha) with well slots for multiple production and injection wells. Processing facilities include multiphase separation, water injection systems for reservoir support, metering and export pumps. Oil is exported via the Brent System pipeline to Sullom Voe, while associated gas enters the Vesterled/FLAGS export routes. Utilities include platform power generation, fire/gas systems, and accommodation decks. Wellheads are manifolded with flowlines tied into the main topsides process modules. Redundancy and safety features such as emergency shutdown, flare stacks, and produced water treatment systems are integrated. Periodic maintenance, inspections, and regulatory compliance routines support sustained operations in a harsh offshore environment.
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