Type:
Gas
Facility:
Production
Water Depth:
20
Installed:
1993
meters
Block:
48/17
Design:
Fixed steel
Sub Structure:
880
Topsides Wgt:
1300
tonnes
tonnes
Intro
Lancelot (often referenced as Lancelot A) is a fixed steel jacket normally unattended offshore gas production platform in UK Southern North Sea Block 48/17A. It began production in 1993 as the central hub of the Lancelot Area Pipeline System (LAPS), handling gas and condensate. It gathers hydrocarbons from associated satellite installations and exports processed gas via the LAPS pipeline to the Bacton Gas Terminal.
Field
The Lancelot complex serves the Lancelot gas field in the Southern North Sea, developed in the early 1990s with first gas in 1993. Reservoirs are conventional Rotliegend sandstone, producing predominantly dry gas with some condensate. The field sits about 53-km offshore and is a regional hub receiving tie-backs from satellite accumulations including Guinevere, Excalibur and others.
Facilities
Lancelot functions as the central gathering and export platform for multiple nearby fields tied into the LAPS infrastructure. The jacket supports wellheads and manifolds for direct production wells on Lancelot itself and flowlines from adjacent fields. Topside infrastructure includes primary separation and metering modules that condition well fluids prior to export. Bulk gas separation removes entrained liquids, with condensate co-exported or metered. Gas is then dehydrated to meet pipeline specifications and metered for export via the dedicated LAPS pipeline system to the onshore processing terminal at Bacton in Norfolk. Supporting utilities consist of power generation/distribution systems sized for unmanned operation, instrument air, chemical injection (for corrosion control and hydrate inhibition), fire and gas detection, emergency shutdown systems, and remote monitoring/control telecommunication links to onshore control centres. The helideck and essential lifesaving appliances support periodic crew visits for maintenance. Structural design conforms to Southern North Sea environmental load criteria. Integration with satellite wellheads (e.g., Guinevere, Excalibur) and subsea tie-backs enables efficient hydrocarbon gathering across the Lancelot production area.
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