Type:
Oil
Facility:
Production
Water Depth:
140
Installed:
2007
meters
Block:
15/20a
Design:
Floating steel
Sub Structure:
25
Topsides Wgt:
0
tonnes
tonnes
Intro
Global Producer III (GPIII) is a floating production, storage and offloading vessel (FPSO) deployed in the UK North Sea, serving as the central production hub for the Donan, Balloch and Lochranza oil fields in Blocks 15/20a and 15/20b. Positioned in about 145 m water depth ~222 km NE of Aberdeen, it integrates production, storage and offloading for crude oil and associated gas. First production commenced in the late 2000s, with subsea tie-backs from surrounding reservoirs feeding well fluids to the FPSO’s processing systems.
Field
The related fields are Donan, Balloch and Lochranza, conventional hydrocarbon accumulations in the UK Continental Shelf’s central North Sea. Donan started production in 2007, Lochranza in 2010 and Balloch in 2013, producing oil and natural gas with typical Brent-style reservoir characteristics. Development uses subsea wells and manifolds tied back to the FPSO for processing and export via shuttle tankers for crude and pipeline for gas.
Facilities
Global Producer III’s infrastructure is based on a permanently moored FPSO hull with turret mooring and riser bases connected to multiple subsea production wells and manifolds in the Donan, Balloch and Lochranza fields. Production wells and subsea trees feed well fluids through risers into the FPSO’s topside processing modules, which perform multi-stage separation of oil, gas and water, emulsion breaking, and stabilization to meet export specifications. The FPSO incorporates storage tanks capable of holding produced crude before periodic shuttle tanker offloading operations. Associated gas is conditioned onboard and either exported via subsea export lines or used as fuel for onboard power generation. Utility systems include power generation (typically gas turbines or generators), fire water and safety systems, ballast and ballast control systems, and full SCADA instrumentation for remote and local control. The turret mooring system allows the vessel to weathervane around a central anchor point, maintaining safe operation in North Sea conditions. Designed for long-term offshore service, the FPSO supports operations, inspection and maintenance via support vessels, and its hull and topside modules comply with offshore environmental and safety standards.
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