North Sea shipping demand could receive a big boost after DNO announced the largest new oil and gas find in Norway for 10 years.

The Oslo-listed group said it had discovered a “significant” reserve of gas and condensate in the Carmen prospect, sending its share price up 18%.

The Norwegian company put the reserves at between 120m and 230m barrels of oil equivalent, following preliminary evaluation of data including cores and fluid samples acquired from one of two discovery wells.