Caister Murdoch System gas fields
The Caister Murdoch System (CMS) was a major natural gas collection, processing and transportation system in the UK sector of the southern North Sea. It comprised 11 platforms, 8 subsea wellhead completions and interconnecting pipelines centered about 155 km east of Flamborough Head Yorkshire.
Source: Wikipedia — Caister Murdoch System gas fields (CC BY-SA 4.0)