Type:
Gas
Facility:
Production
Water Depth:
27
Installed:
1994
meters
Block:
48/17a
Design:
Fixed steel
Sub Structure:
800
Topsides Wgt:
1000
tonnes
tonnes
Intro
Excalibur A is a normally unattended wellhead/production platform serving the Excalibur gas field in the UK Southern North Sea (Arthurian gas fields grouping). Installed in the Arthurian block area in the early 1990s, it produces dry gas and exports via Lancelot A platform into the LAPS export system to the Bacton Gas Terminal.
Field
The Excalibur gas field is part of the Arthurian gas fields in the Southern North Sea — a series of small Lower Permian Rotliegend sandstone gas accumulations named after Arthurian legend. Discovered in the early 1990s, production from Excalibur commenced in the mid-1990s, contributing into the regional Lancelot/LAPS export network.
Facilities
Excalibur A hosts multiple production wells and manifolds on a steel jacket structure. Wellstreams are gathered and routed through primary flowlines and control valves into a dedicated pipeline tie-back to the Lancelot A platform, where further conditioning and metering occur. There is no significant processing on Excalibur A itself; instead, gas is exported via the Lancelot Area Pipeline System (LAPS) to the Bacton Gas Terminal onshore. The platform’s topsides consist of well control systems, choke manifolds, instrument air, emergency shutdown (ESD) and safety systems for unmanned operation. Utilities are minimal, focused on remote monitoring and basic power distribution, with chemical injection points for flow assurance. Excalibur A’s structural design adheres to North Sea standards for shallow water conditions and supports integration with subsea umbilicals and pipeline connections to the Lancelot hub, facilitating stable long-term delivery of hydrocarbons into the UK network.
Similar Platforms
SUBMIT YOUR STORIES AND PHOTOS
RigOil is built on the stories of the people who lived and worked offshore. If you have photos or memories from life on a North Sea platform, we’d love to include them in the archive.
Upload your photos and help preserve this shared history.*
*By submitting content, you confirm you have the right to share it and grant RigOil a non-exclusive, royalty-free licence to use the material for editorial, promotional, and commercial purposes. Copyright remains with the contributor.