![]() ![]() This comprises the helideck and the top of the drilling equipment module. B-plattformen, Statfjord B upper weather deck. These large open areas are used for storage and for positioning equipment being loaded from or discharged to supply ships. It also contains its own module for storage of drilling equipment. This area largely comprises the tops of the modules making up the deck below. Weather deck B-plattformen, Statfjord B weather deck. The utilities are located on the western side, separate from the process facilities. At the eastern end are the drilling unit and the main process plant. The main control room stands centrally in the western part at mezzanine-deck level, and is directly connected with the middle quarters module. However, the actual gas treatment area in the eastern end is separated off by a powerful firewall. ![]() Virtually no partitions are found on the cellar deck in order to ensure natural ventilation. Large areas also hold ventilation equipment covering the whole platform. The cellar deck comprises the whole interior of the robust MSF and encompasses facilities at its eastern end for gas treatment and metering of exported oil and gas. Cellar deck B-plattformen, Statfjord B cellar deck. It comprises the cellar, module, weather and upper weather decks. The topside measures 114 metres long by 55 wide, providing a surface area of 6 270 square metres and total deck space of 28 900 square metres. Positioning the derrick over a wellhead is accomplished with hydraulic jacks, and the unit can be moved both east/west and north/south. The rig comprises a derrick installed on skids running between the northern and southern drilling shafts. Drilling rig B-plattformen, The Statfjord B drill tower. This was then replaced by an Ugland-Kongsberg offshore loading system (Ukols), designated OLS-B. A single point mooring buoy (B-SPM) was tied back to Statfjord B for offshore loading of crude from 1982 to 1990. In addition to a latticework module support frame (MSF), the topside is built up of modules installed on three levels – the cellar, module and weather decks. Two shafts are used for drilling, one for utilities and the fourth for risers. The concrete structure comprises 24 cells, with 19 used to hold crude oil, one for storing diesel oil, and four extended into shafts to support the topside. Statfjord B began production on 5 November 1982, when it ranked as the world’s largest concrete platform and the first four-shaft Condeep. Another benefit of the bigger area was that the living quarters could be physically separated from the drilling and production zones. Its buoyancy at tow-out was high enough for all topside facilities, including the quarters, processing equipment and drilling module, to be installed inshore. Giving the platform four shafts meant the topside could have a larger area than Statfjord A. ![]()
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