Type:
Oil
Facility:
Production
Water Depth:
141
Installed:
2012
meters
Block:
206/8a
Design:
Fixed steel
Sub Structure:
19742
Topsides Wgt:
27776
tonnes
tonnes
Intro
The Clair Ridge DP platform is a fixed drilling and production platform in the Clair field west of the Shetland Islands, UK North Sea. Installed as part of the second phase development, it supports oil and gas production with integrated drilling and process functions. It is bridge-linked to the Clair Ridge QU platform and tied into export pipelines to Sullom Voe Terminal.
Field
Clair is a giant offshore oilfield located ~75-km west of Shetland in the UK Waters with Devonian-Carboniferous continental sandstone reservoirs. Discovered in 1977 and with primary production from the first phase since 2005, the Ridge development targets ~640-million barrels of recoverable oil and gas using extended drilling and water-injection schemes.
Facilities
The DP platform forms one of two bridge-linked fixed steel jacket structures in ~140-m water depth. It hosts well slots and drilling facilities for ~26 production and 10 water-injector wells tied back via subsea manifolds. Topside modules include drilling support, production separation and compression modules linked with pipe racks and umbilicals to the QU platform. The DP receives production fluids and performs primary separation before routing to the QU for further processing, utilities support, and export metering. Oil is exported via a 22-in export pipeline tied into the existing Clair phase one oil export system to Sullom Voe Terminal; gas is routed through a gas export line to the West of Shetland pipeline system with onward reception at Sullom Voe. Well control and automation systems integrate drilling, production choke control, and safety logic. Power generation comprises dual-fuel generators supporting topside utilities with redundancy, while water injection systems and flow assurance equipment maintain reservoir energy and flow stability.
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