Repairs are needed to avert such a risk, Talisman said in the letter to the Norway's Petroleum Safety Authority dated 26 July, written several weeks after the platform was evacuated in the latest of a string of problems that have plagued Yme, the news wire said.

The project is well over a year behind schedule, and Talisman has removed any future production from its corporate forecasts until start-up looks more secure.

John