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Shearwater A Wellhead

Operational

Operator:

Shell

Country:

UK

Block:

22/30b

22/30b
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Type:

Condensate

Facility:

Production

Water Depth:

92

Installed:

2000

meters

Block:

22/30b

Design:

Fixed steel

Sub Structure:

2500

Topsides Wgt:

1000

tonnes

tonnes

Intro

A fixed steel wellhead platform in the Shearwater gas/condensate field of the Central North Sea, brought online around 2000. It provides drilling support and first-stage production delivery to the bridge-linked Shearwater C process/PUQ platform. It is integral to high-pressure/high-temperature (HP/HT) field operations.

Field

The Shearwater field is a significant HP/HT gas and condensate reservoir located ~200 km east of Aberdeen in the Central Graben. Discovered and developed with bridge-linked wellhead and processing platforms, it targets deep Rotliegend and Jurassic reservoirs with complex production profiles.

Facilities

Shearwater A is the wellhead steel jacket structure that hosts multiple HP/HT wells drilled into the reservoir. Well fluids are gathered at the platform and routed via flowlines across a short bridge to the adjacent Shearwater C platform for primary separation and processing. The design accommodates high pressures/temperatures and uses heavy-duty tubulars and surface manifolds to handle reservoir conditions. Wells tie into common manifolds, sending multiphase flow to separators, where gas is separated and directed to dehydration/compression systems on Shearwater C; condensate is stabilized and exported via appropriate pipelines (e.g., Fulmar Gas Line for wet gas and Forties Pipeline for condensate). Utilities include integrated power generation (gas turbines), control systems, fire and gas detection, and accommodations on the PUQ platform. The combined infrastructure supports sustained high-pressure production with robust safety and control features.

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22/30b
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