Type:
Gas
Facility:
Production
Water Depth:
34
Installed:
1988
meters
Block:
49/21
Design:
Fixed steel
Sub Structure:
790
Topsides Wgt:
926
tonnes
tonnes
Intro
A fixed steel jacket gas production platform in the Valiant gas field in the UK Southern North Sea, typically unmanned with wellhead duties and export tie-ins via the LOGGS (Lincolnshire Offshore Gas Gathering System) to the Theddlethorpe Gas Terminal. Installed in the late 1980s as part of a cluster with North Valiant and Vanguard.
Field
The Valiant gas field is a Southern North Sea Rotliegendes sandstone gas accumulation discovered ~1970–71, developed in the late 1980s. The field comprises related sub-areas (North and South Valiant, Vanguard, Vulcan) producing dry gas that is exported via the LOGGS system to Theddlethorpe onshore.
Facilities
Valiant South forms part of the V-fields complex, collecting gas from several well slots and routing it into the LOGGS export infrastructure. Although specific processing on Valiant South itself is limited (typically focused on wellhead functions), the platform supports subsea tree controls, flow metering and tie-ins that deliver gas via pipelines to nearby LOGGS hubs. The LOGGS system gathers and conditions gas from multiple Southern North Sea fields before onward transport to the now-decommissioned Theddlethorpe Gas Terminal for processing and grid injection. Utility systems on Valiant South include electrical power for control systems, emergency shutdown, fire and gas detection, and communications linked to host LOGGS facilities. Because the platform is usually unmanned, routine control and monitoring is performed remotely from shore or via adjacent host installations.
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