Type:
Oil
Facility:
Production
Water Depth:
2
Installed:
1987
meters
Block:
NA
Design:
Artificial island
Sub Structure:
75400
Topsides Wgt:
4500
tonnes
tonnes
Intro
Mittelplate A is the fixed offshore drilling and production island serving the Mittelplate oil field in the German North Sea, commissioned in 1987. It stands about 7-km off the coast and handles crude oil production and export via pipelines to onshore facilities; associated gas is reinjected or used onsite.
Field
The Mittelplate field is Germany’s largest oil field, producing from Middle Jurassic sandstone reservoirs. Discovered in 1981, production began in 1987. The field lies near the Wadden Sea tidal flats and contains a large fraction of Germany’s crude reserves, developed with extended-reach drilling and offshore island infrastructure.
Facilities
Mittelplate A combines drilling and production facilities on a purpose-built island; it supports multiple production wells accessing reservoirs via both offshore and extended-reach land wells. The island includes separation equipment for stabilizing crude, produced-water handling systems, and facilities for gas handling where necessary. Oil is exported by pipeline to Friedrichskoog/Dieksand and then onward to onshore processing or refinery sites. Utilities include power generation, water handling infrastructure, fire and safety systems, and living quarters for crew. The platform’s fixed island structure is protected with sheet piling to defend against tidal conditions. The reservoir is accessed with horizontal drilling technology to enhance recovery. Stable infrastructure includes robust control systems, pipeline export networks, and environmental mitigation measures to protect the sensitive Wadden Sea area.
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