Type:
Gas
Facility:
Production
Water Depth:
34
Installed:
1995
meters
Block:
53/5a
Design:
Fixed steel
Sub Structure:
794
Topsides Wgt:
513
tonnes
tonnes
Intro
Davy AMOSS (Amoco Minimum Offshore Support Structure) is a single-tower gas production platform located in the Davy Area gas fields (UK Southern North Sea, Block 49/30). Installed in 1995, it produces dry gas and minor condensate, routing fluids via subsea pipelines to the Indefatigable AT/Leman BT hubs and onward onshore to the Bacton Gas Terminal.
Field
The Davy, Bessemer, Beaufort, Brown and Boyle gas fields form a cluster of conventional Permian Rotliegend/Leman Sandstone gas accumulations in the Southern North Sea, discovered from 1970 onwards. These fields were developed with minimum facilities platforms and subsea wells tied back to central infrastructure, with first production in 1995. Gas is exported into the UK grid via Indefatigable hubs.
Facilities
Davy AMOSS hosts wellheads and production manifolds on a lightweight single-tower steel structure designed for minimal topsides. The platform collects gas from its own wells and subsea tie-backs (e.g., Davy East, Davy North) into primary flowlines. There is no major topside processing; bulk separation, dehydration and metering are performed downstream at the Indefatigable AT/BT reception facilities, where gas from multiple fields is combined and conditioned prior to export to the Bacton Gas Terminal. Utilities on AMOSS are limited to remote monitoring and well control systems, instrument air, emergency shutdown and safety systems sized for unmanned operation. Power generation is either minimal or supplied via subsea umbilicals from adjacent infrastructure; chemical injection points support flow assurance. The monotower’s simple design reduces offshore footprint and supports stable operations in the Southern North Sea environment.
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