Type:
Oil
Facility:
Production
Water Depth:
145
Installed:
1980
meters
Block:
33/12
Design:
Gravity-based concrete
Sub Structure:
740000
Topsides Wgt:
40000
tonnes
tonnes
Intro
Statfjord B is a four-shaft concrete gravity-base integrated production, drilling and quarters platform in the Statfjord field, installed in the late 1970s and producing since November 1982. It has substantial topside space for processing and accommodation and sits in ~145-m water depth in the field’s southern sector.
Field
As part of the Statfjord development, Statfjord B produces oil and associated gas from the same major North Sea reservoir complex. The field delivers into a network of pipelines transporting gas to Kårstø and oil via offshore loading systems.
Facilities
Statfjord B’s GBS comprises 24 concrete cells including storage for crude and diesel, with four concrete shafts carrying a large steel topside. The topside hosts integrated drilling modules, multi-stage separation, dehydration, crude stabilisation, and utility systems. Production wells and injection wells are drilled through shafts; produced oil feeds the storage cells for export via OLS-B (Ugland-Kongsberg offshore loading system) to shuttle tankers. Associated gas is compressed, dehydrated, and routed via the Statpipe network, contributing to export flows to the Kårstø gas plant and onward to continental Europe or the UK via pipelines. The platform’s utilities include power generation, water treatment, flare systems, and field control systems. Separation trains, gas compression trains, produced water handling and robust safety systems support long-term operation.
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