Crew from the MY Esperanza engage with the Leiv Eiriksson rig off Greenland. The environmental campaigners have been involved in a week-long search for the 53,000 tonne Leiv Eiriksson, the only oil rig scheduled to begin new off-shore drilling operations in the Arctic this year. The rig is due to start dangerous deep water drilling operations as early as next week. Financial investors in Scotland's Cairn Energy - the operators of the Leiv Eiriksson are currently on a tour of the company's operations in the Arctic.