20260409 05295600 1.0 TRUE All blocks on the Norwegian continental shelf. A block name contains the quadrant and the block, e.g. 2/4, 6402/12. The quadrants have numbers from 1-36 south of latitude 62 (North Sea), whereas north of latitude 62 the quadrants are indicated with four-digit numbers based on latitude and longitude in the southwest corner (e.g. 6402). A quadrant is 1x1 degree, a block is 15X20 minutes. Norwegian Offshore Directorate block FactMaps