Type:
Oil
Facility:
Production
Water Depth:
95.5
Installed:
2010
meters
Block:
20/6a
Design:
Fixed steel
Sub Structure:
3500
Topsides Wgt:
5300
tonnes
tonnes
Intro
The Buzzard Sweetening Platform is a fixed processing platform in the Buzzard oil field, UK Central North Sea, installed circa 2010. It provides dedicated sour gas and crude sweetening to remove hydrogen sulfide prior to export and is bridge-linked to the Buzzard Wellhead (W), Production (P), and Utilities/Quarters (QU) platforms in the Buzzard complex.
Field
The Buzzard field is a large offshore oil field in the Outer Moray Firth discovered in 2001. It produces medium sour crude with associated gas from central North Sea reservoirs. The field comprises four interconnected platforms that handle drilling, processing, utilities, accommodation, and sweetening functions.
Facilities
The Buzzard Sweetening Platform (PS) sits on a steel jacket and supports sweetening process modules designed to treat sour wellstream components, primarily hydrogen sulfide, to meet export specifications. It is interconnected via bridges to the Buzzard W (wellhead), P (production/process), and QU (utilities/quarters) platforms. PS houses amine or solvent contactor vessels, heat exchangers, pumps and associated piping for acid gas removal, with associated controls and safety systems. Interface manifolds allow processed fluids to rejoin the main oil export stream routed via the Forties Pipeline System (FPS) to the Kinneil Terminal in Scotland; gas is exported via the Frigg UK gas pipeline to St Fergus. Utilities include power feeds from the QU platform, distributed control system (DCS) integration, fire & gas detection, emergency shutdown, and flare tie-ins with other Buzzard installations. The platform incorporates access walkways, lifeboats, helideck provisions (shared via QU), and structural supports designed for North Sea environmental loads. Sweetening operations increase overall field export quality and customer specification compliance while the integrated complex shares reservoir support functions such as water injection and lift gas management across platforms.
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