Royal Dutch Shell has continued to build interests on the UK Continental Shelf after buying acreage from Siccar Point Energy.

Shell, which has been building stakes in licences that lie to the northwest of the Shetland Islands, is one of the largest oil and gas producers in the world with operations spanning more than 70 countries and interests including fuel distribution and petrol stations.

Many of the bigger energy groups are focusing their interests on larger North Sea fields while selling holdings in other sites to smaller independent players.

Shell said at the start of the year it was embarking on a major investment in the Penguins field in the North Sea to extend production there. Last year it agreed the $3 billion sale of…