Chart 1 : Symbols, Abbreviations and Terms

PDF Document

Offshore Installations - Section L

Underwater Installations

Ref. IHO Symbology Description CHS Symbology
20 Submerged production well, depth known, depth unknown
21.1 Suspended well, depth over wellhead unknown
21.2 Suspended well, with depth over wellhead
21.3 Wellhead with height above the bottom
22 Site of cleared platform
23 Above-water wellheads (lit or unlit)
24 Underwater turbine
Current farm, turbine field
Current farm, Turbine field with restricted area
25 subsurface Ocean Data Acquisition System (ODAS)
Date modified: